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Ultraviolet

Subclass of:

422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing

422001000 - PROCESS DISINFECTING, PRESERVING, DEODORIZING, OR STERILIZING

422022000 - Using direct contact with electrical or electromagnetic radiation

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
422024000 Ultraviolet 89
20090123331UV STERILIZATION OF USER INTERFACE FOMITES - Techniques for sterilizing a fomite are disclosed. A UV sterilization apparatus includes a housing for enveloping a fomite inside the housing. The housing is composed of a material that prevents transmission of electromagnetic radiation in the ultraviolet range. Attached to the housing is a closure element, and the closure element is also composed of a material that prevents transmission of electromagnetic radiation in the UV range but allows transmission of electromagnetic RADIATION in the visual range. An ultraviolet light source is attached to an internal surface of the housing or an internal surface of the closure element, and the light source sterilizes the fomite enclosed inside the housing by transmitting ultraviolet electromagnetic radiation towards the fomite.05-14-2009
20130078142Method and Apparatus for Sterilization of Medical Instruments and Devices by Ultraviolet Sterilization - An object is sterilized with ultraviolet-C (UV-C) radiation having a wavelength from about 235 nm to about 295 nm. An advantageous wavelength for the UV-C radiation is about 253.7 nm. The object is inserted into a container, which is then sealed. At least a portion of the container is substantially transparent to UV-C radiation over the wavelengths of interest. The container and object are placed into a UV-C irradiation device and are irradiated for an exposure time with UV-C radiation having a predetermined intensity. The exposure time is determined such that a predetermined portion of user-specified pathogens disposed on the object is inactivated. Technical sterilization (99.9999% inactivation) can be attained with relatively short exposure times. The container can be a flexible pouch or a rigid kit. Suitable materials that are substantially transparent to UV-C radiation over the wavelengths of interest include quartz, borosilicate glass, cyclic olefin copolymer, and fluoropolymer.03-28-2013
20100104471Mobile disinfectant device and methods - Ultraviolet light is an effective sterilization agent. Convenient mobile sterilization devices are described herein that, in certain embodiments, provide indications to a user of how much sterilizing light is required for a given sterilization goal and how much light has been applied to a surface towards that goal. Users can move the devices across a target surface as needed to sterilize or disinfect the surface, with the device tracking the dosage applied to the surface. One embodiment of a mobile device that comprises an ultraviolet C (UVC) light source, a distance detector, an indicator, and a microprocessor that receives data from the distance detector for calculating an intensity of the light from the source on a target surface and for calculating a dosage of the light on the surface to provide a signal to the indicator when a predetermined dosage is achieved.04-29-2010
20090155121Method for Irradiating Thrombocyte Concentrates in Flexible Containers With Ultra-Violet Light - The invention relates to a method for inactivating pathogens such as bacteria and viruses and/or leucocytes in thrombocyte concentrations by irradiation in flexible containers with ultra-violet light using agitation. The blood product is packaged in a flexible bag to permit the intermixing of the fluid by agitation (tilting, rotation, translation). This is also promoted by the filling of the bag to a maximum 30% of the filling capacity.06-18-2009
20130045133METHODS AND APPARATUS FOR COMMERCE MEDIA STERILIZATION - The invention relates to methods and apparatus for preventing the contraction of the causative agents of infectious diseases, such as, for example, bacteria and viruses by way of the most common public activities, via the interaction of commerce and the exchange of monetary goods. More specifically, the invention generally relates to methods and apparatus for sterilizing commerce media using the germicidal properties of ultraviolet light and/or ozone.02-21-2013
20130045132DISINFECTING TOUCH-BASED SCREEN AUTOMATICALLY - A UV and visible light transparent film material is secured onto or within a touch-based screen to automatically disinfect the external surface. UV light is emitted from a UV light source into an edge of the transparent film material in order to transfer the UV light through the transparent film material while remaining in the transparent film material through total internal reflection effect. Some UV light exits the transparent film material at points of contact to disinfect fingertips and immediate surrounding areas through the frustrated total internal reflection effect.02-21-2013
20100143188UV STERILIZER - A UV steriliser for oral appliances comprising, (a) a base including a UV source, (b) a lid, and (c) an appliance holder intermediate the lid and the base, the appliance holder being adapted to hold the oral appliance adjacent the UV source, wherein pressure exerted on the appliance holder can activate the UV source.06-10-2010
20130052079STERILIZING COMPOSITIONS COMPRISING PHOSPHORS FOR CONVERTING ELECTROMAGNETIC RADIATION TO UVC RADIATION AND METHODS FOR USING THE SAME - There is disclosed a composition for converting electromagnetic energy to ultraviolet C (UVC) radiation or radiation of a shorter wavelength, the composition comprising at least one phosphor capable of converting an initial electromagnetic energy (A) to an electromagnetic energy (B) comprising UVC radiation or radiation of a shorter wavelength, and an organic or inorganic media containing said phosphor. There is also a method of sterilizing an article by exposing it to UVC radiation or radiation of a shorter wavelength for a time sufficient to deactivate or kill at least one microorganism and/or for a time sufficient to inhibit abnormal cell growth within the body, when said composition is in an implantable medical device. A method of coating an article with such compositions is also disclosed.02-28-2013
20090269240Fluid Purification Device and Fluid Purification Method - A fluid purification device capable of exerting high disinfection/purification functions by a simple structure is provided, and a fluid purification device capable of suppressing, for example, generation of noise and high-voltage charging upon disinfection/purification of a fluid to be treated composed of liquid such as water is provided.10-29-2009
20090232701Robotic Pool Cleaner with Internal Ultraviolet Water Sterilization - A pool cleaning apparatus for cleaning the bottom and sidewalls of a swimming pool has an exterior housing through which water is circulated and at least one source of water-sterilizing ultraviolet (UV) radiation in the form of a straight,—circular and/or curvilinear tube that is positioned on the interior of the housing so that the amount of any bacteria in the water circulated past the UV radiation source is reduced.09-17-2009
20090252646STERILIZATION METHODS AND SYSTEMS FOR GAMING EQUIPMENT - Enclosures that include light generating sterilization sources and conveying systems for sterilizing gaming items are disclosed. Also disclosed are gaming equipment or tables having user interface portions coated or treated with a photo-catalyst for maintaining sterility of the user interface.10-08-2009
20120114524Surface Decontamination of Prefilled Containers in Secondary Packaging - Methods and systems for the terminal sterilization and surface decontamination of prefilled containers containing sensitive drug products, such as biotech drug products that are otherwise temperature or radiation sensitive, and thus not suitable for terminal sterilization by classical methods involving steam or gamma rays. The methods and systems are especially suited for prefilled containers in secondary packaging. Methods include terminal sterilization by exposing prefilled containers in secondary packaging to tunable-beta radiation and further include terminal sterilization by exposing prefilled containers to controllable vaporized-hydrogen peroxide, including application of measures to reduce or prevent diffusion of vaporized-hydrogen peroxide into prefilled containers.05-10-2012
20120321509ASSEMBLY AND METHOD FOR DISINFECTING LUMENS OF DEVICES - The invention relates to an assembly for disinfecting/sterilizing surfaces and lumens of a device with a light source which emits disinfecting/sterilizing light. The assembly comprises a device (12-20-2012
20110280763LIGHT-ACTIVATED DISINFECTION SYSTEM - The present invention relates to ultraviolet light-activated disinfectants, and more particularly to a light-activated disinfection system for contact lens disinfection.11-17-2011
20090117001Event-triggered ultraviolet light sterilization of surfaces - Solutions for limiting the undesirable spread of pathogens by indirect contact are provided. The solutions involve event-controlled self-sterilization of contact regions on articles or fixtures. A self-sterilizing article structure, in response to a contact event, allows sterilizing UV energy to controllably flow from a UV generator within the article to a portion of the contact region.05-07-2009
20110135536Plasma processing apparatus - This invention concerns with the plasma inactivating method and processor that can inactivate the surface of the object without causing the degradation inside of it. The inactivation of toxins on the surface of the object proceeds as removing the toxins by nitriding or oxidizing the toxins by the following triple effects, the sharp pulsed electric field by the supply of the electric pulses, the generated N-radicals (N*) contained inside of the plasma in the surrounding gases composed mainly by N06-09-2011
20110286883ULTRAVIOLET DISINFECTING DEVICE FOR FOOD AND BEVERAGE DISPENSERS - Disinfecting devices and related methods are provided that apply germicidal ultraviolet light to disinfect dispensing components of food and beverage dispensers. A disinfecting holster for a bar gun includes a support surface configured to interface with a bar gun to support the bar gun when stowed in the holster, a housing coupled with the support surface and surrounding a dispensing nozzle of the bar gun when the bar gun is stowed in the holster, and an ultraviolet light source configured to emit germicidal ultraviolet light onto the nozzle. The housing substantially contains the ultraviolet light within the housing during the application of the ultraviolet light to the dispensing nozzle. The ultraviolet light can be periodically applied to maintain the nozzle in a disinfected state.11-24-2011
20110293471Method and Apparatus of Sterilization Using Monochromic UV Radiation Source - This invention provides a process of sterilizing a medical device, and preferably the contents of a sealed container which comprises said medical device, comprising the step of exposing said medical device to monochromatic ultraviolet radiation whereby the D12-01-2011
20110293470CONJUGATED POLYELECTROLYTE CAPSULES: LIGHT ACTIVATED ANTIMICROBIALS - Hollow conjugated polyelectrolyte (HCPE) microcapsules contain at least one conjugated polyelectrolyte and at least one other polyelectrolyte of complementary charge and the microcapsule has a hollow core. The conjugated polyelectrolyte is a polymer with a multiplicity of charged repeating units where a portion of the charged repeating units form a pi-conjugated sequence. The complementary polyelectrolyte is a polymer with a complementary charged repeating unit to the charged repeating units of the conjugated polyelectrolyte. The HCPE microcapsules can be formed by successively coating a sacrificial core with alternating layers of complementary polyelectrolytes, at least one of which is a conjugated polyelectrolyte. The sacrificial core can be removed to form the hollow center of a HCPE microcapsule. The HCPE microcapsules can be contacted with a medium containing microbes where the HCPE microcapsules associate with the microbes and efficiently kill the microbes when irradiated with light or other electromagnetic radiation.12-01-2011
20080213128Use of Ultraviolet Germicidal Irradiation in Health Care Environments - A method of sterilizing a hospital room to at least 99.99% sterility is described which employs UV/ozone sterilization. A method of sterilizing sink-traps using UV radiation is described. A method utilizing UV/ozone sterilization and sink-trap sterilization by UV radiation for sterilization of an environment is also described.09-04-2008
20100166601METHOD AND APPARATUS FOR USE OF MIXING ELEMENTS IN WASTEWATER / RECYCLE WATER UV DISINFECTION SYSTEM - An apparatus and method for mixing at least one fluid flowing through a fluid system using ultraviolet light to control organisms. Ultraviolet lamps are positioned in the fluid flow and arrays of triangularly shaped mixing elements are arranged at spaced intervals along the length of each lamp, wherein the plurality of arrays of triangularly shaped mixing elements create four vortices surrounding each elongated member forming a square array of vortices.07-01-2010
20120189492FULLERENE COMPOSITIONS AND METHODS FOR PHOTOCHEMICAL PURIFICATION - In various embodiments, the present disclosure describes fullerene derivatives that are capable of photocatalytically generating reactive oxygen species in the presence of ultraviolet and/or visible light. In some embodiments, the fullerene derivatives are aminofullerenes containing a plurality of amine-terminated moieties covalently bonded to the fullerene cage. The fullerene derivatives may optionally be covalently bonded to a substrate surface for use in photocatalytic disinfection systems for removing various contaminants including, for example, bacteria, viruses, protozoa and chemical pollutants. Methods using the present fullerene and aminofullerene derivatives in various purification processes are also described herein.07-26-2012
20110268607Reduced Temperature Sterilization of Stents - Methods and systems for reduced temperature radiation sterilization of stents are disclosed.11-03-2011
20120107173SYSTEM AND METHOD FOR CHEMICAL AND BIOLOGICAL AGENT DECONTAMINATION - A system and method for decontamination of chemical and biological agents over terrain in an outdoor environment is provided that utilizes ultraviolet radiation to break up hydrogen peroxide into radical species that interact with chemical and biological agents to render them harmless. In a preferred embodiment, peroxide is dispersed in a contaminated area and the peroxide is then exposed to ultraviolet radiation that causes the peroxide to dissociate into radical species. The interaction of the radical species formed by the peroxide dissociation with the chemical and biological agents renders them useless.05-03-2012
20090004050Fluid disinfection apparatus and method - An apparatus for disinfecting fluids comprises a thin flow channel 01-01-2009
20080206095MICRO-ORGANISM REDUCTION IN LIQUID BY USE OF A METAL HALIDE ULTRAVIOLET LAMP - A method and apparatus for disinfection/pasteurization of fluids. There is provided a mercury/gallium metal halide ultraviolet lamp enclosed within an ozone free metallic doped quartz envelope, an ozone free, metallic doped quartz enclosure for the lamp, an in-line stationary spiral or internal thread of single or multiple leads surrounding the enclosure, and a containment vessel having an inlet, an outlet and a chamber in fluid communication therewith defining a flow path for fluid to be disinfected/pasteurized. The lamp is operated at a wavelength range from about 100 nanometers to about 400 nanometers to introduce multiband ultraviolet radiation and minimal heat into the fluid with the enclosure preventing build up of ozone.08-28-2008
20090274576System and method for container sterilization using UV light source - Packaging materials and containers may be treated with sterilization dosages internally and externally using monochromatic, continuous wave, high-intensity, incoherent light in single and/or multiple light source configurations. The treatment systems and methods preserve physical and performance properties of the packaging/container while achieving a desired level of sterilization. The sterilized materials may be adapted for extended shelf life (ESL) products. The disclosed treatment systems and methods may also be used for sterilization of food and beverage products (either prepackaged or post packaged), medicines, pharmaceuticals, vitamins, infusion products, clinical and/or non-clinical solutions and systems, enteral and/or parenteral solutions and systems, and the like.11-05-2009
20100061887Ultraviolet Sterilizer for Cosmetic Applicators - An ultraviolet sterilizer and method of use thereof are disclosed for rapidly and conveniently sterilizing the end of a tubular cosmetic applicator, such as an eyeliner pencil or a lipstick. A hole in the sterilizer allows an end of the cosmetic applicator to be inserted for sterilization. A hole blocking mechanism, such as an iris, can be included, and can be automatically activated by a sensor when an applicator is inserted through the hole. Some embodiments are battery powered and portable, and some of these are wearable by a strap or attachable to a belt. Various embodiments include a brush bristle manipulating structure and/or an ultrasonic source to agitate and expose contaminants during sterilization. Embodiments are able to kill 99 percent of accessible bacteria after a 10 second exposure. Some embodiments further include a drawer or other access mechanism that allows one or more complete applicators to be simultaneously sterilized.03-11-2010
20080213129NON-LINEAR UV LIGHT SOURCES FOR DISINFECTION - The present disclosure provides for systems and methods for disinfecting of components of an HVAC system. At least one non-linear UV light source is positioned within the HVAC system. A non-linear UV light source can include but is not limited to a spherical bulb lamp or a circular lamp. Non-linear UV light sources are positioned about desired HVAC components to deliver UV light to the surface of those components thereby preventing unwanted biological growth. A plurality of non-linear light sources can be positioned throughout the HVAC system including about a heating or cooling coil apparatus, an air moving apparatus such as a fan positioned within an air duct and/or within the air duct to disinfect air flow passing through the air duct.09-04-2008
20080286145System and methods for self-decontaminating a surface - A system for self-decontaminating a surface of an object is disclosed herein. The system includes a light emitting member and photocatalytic material which can be mounted on or within the object to be decontaminated. Activation of the system releases an oxidizing agent effective in deactivating chemically or biologically active agents at or near the surface. The system is robust, non-destructive, can be activated on demand, and does not require regeneration or expose a user to harmful materials such as UV irradiation. Also disclosed are objects containing the system, methods for self-decontaminating objects using the system, and methods for fabricating self-decontaminating surfaces on an object.11-20-2008
20080310996Germicidal Floor System (GFS) - A device for cleaning feet, socks, or shoes comprises a housing, a target surface, and at least one ultraviolet light source. The target surface is supported by the housing and is adapted to be walked upon by an individual. The at least one ultraviolet light source is supported by the housing and adapted to direct ultraviolet light waves onto the target surface such that the ultraviolet light waves interact with the feet of the individual walking upon the target surface. The light waves kill or deactivate harmful germs or transmissible diseases disposed on the target surface, or carried by the feet or the socks of the individual, thereby preventing the harmful germs from spreading and causing harm to other individuals or animals.12-18-2008
20080286146Cooling means with a cooling space - A cooling apparatus with a cooling space which is especially suited for storing perishable foods is given. In the cooling apparatus there is a UV radiation source which is suited to emitting electromagnetic radiation from the ultraviolet region, and in its operation the cooling space is irradiated with this radiation. Via the electromagnetic radiation it is fundamentally possible to kill microorganisms such as bacteria and molds and thus to disinfect the refrigerator and the free surfaces contained in the cooling space as well as the air of the cooling space.11-20-2008
20130022495Sterilization Techniques for Surgical Instruments - A surgical system includes a surgical instrument, a generator, and a sterilization case. The surgical instrument includes an end effector assembly adapted to connect to a source of energy. The generator is configured to couple to the surgical instrument to supply energy to the end effector assembly of the surgical instrument. The sterilization case is configured to retain the surgical instrument therein and is configured to couple to the generator. The generator is further configured to supply energy to the sterilization case when coupled thereto to sterilize the surgical instrument disposed therein.01-24-2013
20120093688MOBILE DISINFECTANT DEVICE AND METHODS - Methods, devices, and materials that include, in certain embodiments, a mobile device, movable across a surface by a user, that provides ultraviolet light for a process of sanitizing or sterilizing the surface that comprises an ultraviolet light source for illuminating the surface with the ultraviolet light to thereby sanitize or sterilize the surface. The device may include a movement sensor operatively coupled to a microprocessor that receives movement data from the movement sensor, and an indicator that is operatively coupled to the microprocessor, with the microprocessor comprising programming to perform a comparison of the calculated dosage to a predetermined dosage, wherein the microprocessor, based on the comparison, controls the indicator to provide instructions to the user.04-19-2012
20090162245HANDHELD GAMING MACHINE SANITITZING SYSTEM - A sanitizing system for a handheld gaming device is provided. The sanitizing system comprising a housing, a door, a gas supply, and a control system. The housing defines at least a chamber, a gas inlet aperture, and an opening for receiving the handheld gaming device. The door is configured to seal the opening. The gas supply comprises a sanitizing gas and is connected to the gas inlet aperture. The control system is configured to selectively introduce gas from the gas supply into the chamber.06-25-2009
20120070339ULTRAVIOLET DISINFECTION OF OIL FIELD PROCESS WATER - Methods and systems for inactivating 03-22-2012
20090081075METHOD OF STERILIZATION AND STERILIZATION APPARATUS - A highly versatile method of a sterilization and a sterilization apparatus, in which objects with poor heat resistance that are to be sterilized, such as plastic products, can be sterilized without incurring thermal damage, with such a strong sterilization power that spores can be killed. A treatment chamber is filled with a treatment gas containing HCHO, and any sterilization objects placed in the treatment chamber are sterilized. During sterilization, while maintaining the interior of the treatment chamber at a pre-determined temperature (T03-26-2009
20110223058Structure, Synthesis, and Applications for Oligo Phenylene Ethynylenes - Novel compounds generally referred to herein as cationic oligomeric phenylene ethynylenes (OPEs), methods of synthesizing OPEs and various uses for the OPEs are described. The compounds can be synthesized in both symmetrical (S-OPE) and non-symmetrical (N-OPE) forms. Suitable uses include sensor and biocidal applications. Reusable structures incorporating the OPEs that are able to capture and release biological species of interest are also described.09-15-2011
20120195791Method for Deactivating Undesired Contaminations in Leech Extracts - The present invention provides a method for inactivating viruses and/or bacteria in medicinal-leech extracts by means of electromagnetic radiation.08-02-2012
20090257912Self-Sterilizing Input Device - A system and method for sterilizing a surface on an input device is disclosed. A chamber is configured to enclose an input device such as a keyboard and is configured to be switched between an open and a closed state. A drive unit may be provided to switch the chamber between states. In an embodiment, the drive unit may include a motor. A sensor provides a signal to a controller when the chamber is the closed state and the controller actuates a UV light. In an embodiment, the controller actuates the drive unit and the UV light in response to a trigger. In an embodiment, the trigger may be provided from a change in state in a computer coupled to the input device.10-15-2009
20100178201IN-LINE TREATMENT OF LIQUIDS AND GASES BY LIGHT IRRADIATION - Embodiments of the invention are directed to a liquid disinfection device. The device may include a pipeline to hold flowing liquid to be treated with light radiation where the pipeline having walls made of light-transparent material and surrounded by air, a fluid inlet and a fluid outlet and one or more windows adapted for the transmission of light into the pipeline. The device may further include one or more light sources positioned externally to the pipeline to generate light to be transmitted through the window into the flowing liquid within the pipeline and a reflector to reflect light generated by the one or more light sources through respective windows into the flowing liquid within the pipeline, wherein the reflected light strikes the walls of the pipeline at angles of incidence greater than a critical angle for total internal reflection to enable the total internal reflection.07-15-2010
20120141323SYSTEMS AND METHODS FOR UV SANITIZATION AND STERILIZATION - Systems and methods for operating a UV source at maximum output are described herein.06-07-2012
20120141322UV SANITIZATION AND STERILIZATION APPARATUS AND METHODS OF USE - An ultraviolet sanitation and sterilization apparatus having one or more of the disclosed structural, functional, and/or ornamental characteristics.06-07-2012
20090129974Air quality enhancing ceiling paddle fan - A ceiling paddle fan fixture for improving the quality of the air in the room and various methods of enhancing room air quality, with particular application in public spaces such as hospitals, health care institutions, dormitories, schools and offices. A UV-C source and an air mover are combined in a single fixture which uses a low intensity UV-C source and a paddle ceiling fan to significantly increase the mixing of the treated with the untreated room air. Sterilization of room air is achieved by the passage of a high volume of air at a relatively slow speed through a relatively low intensity UV-C field.05-21-2009
20130216431DEVICE FOR IRRADIATING SURFACES - In various embodiments, a device for irradiating surfaces is provided. The device may include a radiation emitter having a radiation emitter vessel, wherein the radiation emitter vessel has at least one tunnel-like passage; and a structure configured to allow a process gas to flow through the at least one tunnel-like passage.08-22-2013
20090053102SYSTEM AND METHOD FOR NONINVASIVE ELECTROCARDIOGRAPHIC IMAGING (ECGI) - Noninvasive systems and methods are provided for determining electrical activity for a heart of a living being. A processor is configured to meshlessly compute data that represents heart electrical activity from a set of noninvasively measured body surface electrical potentials. This is accomplished using data that describes a geometric relationship between a plurality of locations corresponding to where the body surface electrical potentials were measured and the heart. 02-26-2009
20090185953WATER TREATMENT SYSTEM - The present invention provides a system for water treatment. The system includes a chamber, a UV light source, and a housing. The chamber has an inlet for receiving ozone mixed water and a transparent portion configured to allow UV light to pass. The UV light source has a protective shell that comprises a first portion and a second portion, the first and second portions configured to pass UV light at a first and second wavelength, respectively. The housing having an air inlet and an air outlet, the housing configured to secure the UV source and to receive a portion of the chamber, wherein the UV source and the chamber is affixed to the housing such that the transparent portion of the chamber is exposed to the first portion of the protective shell, thereby exposing the ozone mixed water to UV light with the first wavelength, and wherein the second wavelength convert oxygen molecules from the air inlet into ozone molecules.07-23-2009
20110243789Flexible Ultraviolet LED Sanitizing Apparatus - A sanitizing apparatus in a flexible configuration that uses ultraviolet (UV) radiation emitted from light emitting diodes (LEDs) may be folded or rolled for storage and transport. A piecewise flexible sanitizing apparatus may be formed with hinged or otherwise rotationally joined panels, and provides the ability to sanitize a variety of objects beneath enclosure panels. A continuous flexible sanitizing apparatus with an enclosure panel formed of flexible material may be folded or rolled and may be used with a support structure to treat taller objects.10-06-2011
20100178199Marine Air Purification System - An air purification unit for use in a boat includes a housing having an ultra-violet lamp capable of emitting electromagnetic radiation with a wavelength in the range of 315 nm to 400 nm, a titanium dioxide coating on an inside surface of the housing, and a titanium dioxide sleeve disposed over the lamp. Air entering the unit is purified by the hydroxyl radicals created by the reaction of the ultra-violet light and the titanium dioxide.07-15-2010
20110085937Method and Apparatus of Sterilization Using Monochromatic UV Radiation Source - This invention provides a process of sterilizing a medical device, and preferably the contents of a sealed container which comprises said medical device, comprising the step of exposing said medical device to monochromatic ultraviolet radiation whereby the D04-14-2011
20110081274UV disinfectant device for biofilm flow cell - A UV (ultraviolet) light disinfectant apparatus useful with a biofilm flow cell for in-line, non-invasive disinfecting of medium flow to and from the flow cell is provided. The disinfectant apparatus includes a UV chamber having a UV light source therein and one or more UV light-transmissive tubes that extend through the UV chamber and through which the fluid medium flows through the UV chamber for exposure to UV light for purposes of disinfectation.04-07-2011
20110076188IN-LINE UV-GERMICIDAL DEVICE FOR FLUID MEDIA - The invention relates to a device for the sterilization of ballast water on ships by means of UV radiation, with a pump line by means of which ballast water can be taken up and discharged, wherein the pump line is passed through by a number of UV-transparent sheath pipes arranged one behind another in the direction of the pump line and in which UV radiators are arranged for the emission of UV radiation into the pump line and sheath pipes arranged one behind another in the circumferential direction of the pump line are offset by an angle α in relation to one another.03-31-2011
20110044848GERMICIDAL APPARATUS AND METHOD FOR STERILIZING OBJECTS - A germicidal apparatus for sterilizing at least one object, including at least one ultraviolet (UV) emitting unit which emits UV light onto at least one object; one or more spraying units which spray at least one chemical onto at least one object, wherein the UV light and at least one chemical sterilize the at least one object. There are disclosed methods for sterilizing at least one object, including a method including emitting ultraviolet (UV) light onto the at least one object; and applying at least one chemical to the at least one object.02-24-2011
20080267815CLEANING APPARATUS FOR EXPOSURE APPARATUS AND EXPOSURE APPARATUS - A cleaning apparatus for an exposure apparatus that projects a pattern of an exposing mask onto a substrate with first light through an optical element is provided. The cleaning apparatus cleans the optical element with second light having a wavelength different from that of the first light, and includes a recording part configured to record information on exposure history of the exposure apparatus, and an information producing part configured to produce information on a cumulative irradiation light amount of the second light at each of regions in a predetermined cleaning area on the optical element, based on the information on the exposure history.10-30-2008
20110256020 Method and an Apparatus for Sterilizing Packaging Material - A method and an apparatus for sterilizing packaging material for use in packaging for protein containing products, such as food products or medical drugs. The packaging material is sterilized by irradiating it using a beam of ionizing radiation, such as an electron beam or a beam of gamma rays. Afterwards, the packaging material is processed in such a manner that protein reactive substances or compounds formed in the packaging material during the irradiation step are at least partly removed or rendered inreactive with respect to proteins. The processing step may advantageously be performed by heating the packaging material. Preferably, the processing step involves accelerating diffusion from the packaging material of protein reactive substances or compounds.10-20-2011
20100178200IRRADIATION APPARATUS FOR INACTIVATING PATHOGENS AND/OR LEUKOCYTES IN A BIOLOGICAL FLUID AND PROCESS - The invention relates to an irradiation apparatus for inactivating pathogens and/or leukocytes in a biological fluid such as a platelet suspension and/or plasma comprising: a casing (07-15-2010
20110256019SELF-STERILIZING USER INPUT DEVICE - Technologies are described herein for providing sterilization of a touchscreen or other tactile input surface of a user input device. A self-sterilizing user input device includes a touchscreen for receiving tactile user input and an ultraviolet (UV) light source that emits UV light onto a touchscreen at a sterilization wavelength. A controller selectively activates and deactivates the UV light source according to whether a user is at or near the user input device. According to one aspect, the user input device includes a backlight to illuminate the touchscreen. The UV light source is positioned with the backlight to provide the UV light from a rear side of the touchscreen.10-20-2011
20100166600METHOD AND SYSTEM FOR SELECTIVE ULTRAVIOLET DISINFECTION - According to embodiments of the invention, a selective ultraviolet disinfection method is provided. The method includes selecting operating parameters for an ultraviolet disinfection process of flowing liquid carrying first and second types of entities to affect the first type of entities while the second type of entities remains intact, illuminating the liquid with ultraviolet light according to the operating parameters and continuously adjusting the operating parameters based on real-time measurements of ultraviolet transmission and flow rate of the liquid.07-01-2010
20110020175APPARATUS FOR SANITIZING ORAL APPLIANCES - An apparatus for sanitizing oral appliances is provided. The apparatus includes a housing movable between open and closed positions, at least one ultraviolet light source for emitting one or more sanitization means within the sanitizing chamber, and at least one power source for powering the ultraviolet light source. In the open position the housing allows insertion of the appliance, and in the closed position the housing defines a sanitizing chamber. The apparatus may include an appliance suspension system. The apparatus may include a reflective interior surface provided on at least a portion of the sanitizing chamber. The ultraviolet light source may be adapted to generate ozone within the sanitizing chamber. The apparatus may include control circuitry connecting the ultraviolet light source to the power source for the purpose of activating and deactivating the ultraviolet light source.01-27-2011
20100028201METHOD AND APPARATUS FOR STERILIZING AND DISINFECTING AIR AND SURFACES AND PROTECTING A ZONE FROM EXTERNAL MICROBIAL CONTAMINATION - This invention relates to a method, process and apparatus for disinfecting and sterilizing all types of surfaces contaminated with microorganisms and toxic substances to render both inactive. Furthermore, this invention relates to both a method and apparatus for disinfecting and/or sterilizing breathable air and then using this air to protect a confined space from external contamination. The apparatus consists of a new ultra-violet (NUV) source that is more effective than mercury based 254 nm light for destroying DNA of virus, bacteria, spores and cists. It is most effective in breaking chemical bonds in toxic gases and Biotoxins that are useful to terrorists. It is combined with other apparatus that remove particulates and byproducts sometimes produced by the NUV source and maintains positive pressure of the confined space so as to prevent the influx of air from outside the protected zone.02-04-2010
20110097239DEVICE FOR STERILIZING CONTAINER CLOSURES - The invention relates to a device (04-28-2011
20110305597UV STERILIZATION OF CONTAINERS - Provided herein are systems, devices, and methods for ultraviolet (UV) disinfection and sterilization, more specifically, systems, devices, and methods for UV disinfection and sterilization of a container, and more particularly systems, devices, and methods for UV disinfection and sterilization of a container used in the process of fermentation for an alcoholic beverage. Provided are also systems, UV devices, and methods for inhibiting the growth of one or more species of microorganisms present in a container, preferably for inhibiting the growth of one or more species of microorganisms present on an interior surface of a container.12-15-2011
20090110594DISH WASHER WITH UV STERILIZATION DEVICE THEREIN - A dish washer and a control method thereof are disclosed. The dish washer includes a UV sterilization device (04-30-2009
20120045363Portable sterilization device for footwear utilizing germicidal UV-C radiation - A portable sterilization device using direct UV-C radiation to sterilize the bottom of footwear from known, multiple sources of contamination including bacteria and viruses. This portable device will offer a safe sterilization method for the general public, both in-home and in commercial use.02-23-2012
20120121458METHODS FOR ERADICATING BEDBUGS USING ULTRAVIOLET C AND PHOTO CATALYTIC OXIDATION - Methods for eradicating bedbugs through the combined use of ultraviolet C (UVC) photons and photo catalytic oxidation (PCO) include spraying infested areas with titanium dioxide (TiO05-17-2012
20120063952UV RESISTANT CLEAR LAMINATES - A multilayer construct includes a fluoropolymer first layer; a UV resistant fluoropolymer adhesive layer, and a third layer, wherein the fluoropolymer adhesive layer is between the first and third layers. The adhesive layer can optionally include an ultraviolet radiation absorber.03-15-2012
20120156094Hand Sanitizer/Sterilizer - Disclosed are a germicidal system and method for deactivating pathogens on the surface of a bodily extremity protected by a prophylactic covering substantially opaque to UV-C radiation. The device includes an enclosure having one or more openings through which the extremity can be inserted. The enclosure contains a radiation source configured to produce germicidal radiation having a wavelength of about 253.7 nm. The openings are configured relative to the radiation source such that the inserted extremity is in close proximity to the radiation source. The prophylactic covered extremity is preferably a gloved hand thereby sanitizing the surface of the glove. The extremity inserted is preferably exposed for a predetermined period of time to ensure a desired level of sanitization. Optionally, the device can include detectors to determine the position of the hand, the spread of the fingers, and whether the hand is covered by a glove.06-21-2012
20090117000Air Sterilization Apparatus - An air sterilization apparatus for sterilizing air that can include a fan assembly, which may be mounted in an upper-part of a room, and a UVC lamp to emit a UVGI field. The air sterilization apparatus may direct air across the UVGI field to sterilize the air. A baffle may also be provided to shield the eyes of occupants of the room from UVC energy contained in the UVGI field. The air sterilization apparatus may also include an illuminator lamp to provide illumination to a room.05-07-2009
20130224071DEVICES AND ARTICLES COMPRISING UP-CONVERTING STERILIZING COMPOSITIONS AND METHODS FOR USING THE SAME - There is disclosed various devices and articles comprising phosphors for converting electromagnetic energy to radiation having a shorter wavelength, the composition comprising at least one phosphor capable of converting an initial electromagnetic radiation having a wavelength (A) to an electromagnetic radiation having a shorter wavelength (B) comprising UV radiation or radiation of a shorter wavelength. There is also a method of sterilizing such devices and articles by exposing it to UV radiation or radiation of a shorter wavelength for a time sufficient to deactivate or kill at least one microorganism and/or for a time sufficient to inhibit abnormal cell growth within the body, when the composition is in an implantable medical device.08-29-2013
20110104004SPORT BALL SANITIZER - An apparatus for sanitizing a sport ball includes a container that receives the sport ball and at least one germicidal light source coupled to the container. The at least one germicidal light source emits germicidal wavelength light onto the sport ball within the container during operation of the apparatus. Alternatively, the apparatus includes a germicidal light-transparent receptacle that receives the sport ball and a plurality of germicidal light sources coupled to the germicidal light-transparent receptacle. The plurality of germicidal light sources emit germicidal wavelength light, at least in part through the germicidal light-transparent receptacle, onto each location on the surface of the ball for at least a predetermined intensity-time.05-05-2011
20100247374DEVICE FOR MAKING A LIQUID SAFE BY ULTRAVIOLET RADIATION AT THE DISPENSING POINT AND METHOD FOR MAKING A LIQUID SAFE - The invention relates to a device for making a liquid safe, that comprises a sterilizer including an ultraviolet lamp, and a sensor for measuring the ultraviolet radiation and connected to an electronic board. An actuator is connected to the electronic board driving the opening of an electrovalve in order to dispense or stop dispensing the liquid, said electrovalve being provided upstream from the sterilizer relative to the liquid flow direction. The electronic board controls the opening of the electrovalve when the sensor measures an ultraviolet amount higher than a predetermined threshold for a given amount of liquid. The device is further fitted with a flow rate adjustment means adapted to the predetermined threshold. The invention also relates to a method for implementing said device.09-30-2010
20100209294ULTRAVIOLET PHOTOREACTOR FOR THE PURIFICATION OF FLUIDS - In order to disinfect and to detoxify a fluid, a photoreactor contains at least two light sources. One light source activates the catalytic function of a semiconductor material in the fluid to reduce the concentration of contaminants in the fluid, such as by breaking down organic contaminants into non-toxic compounds. A second light source acts directly on living biological entities to sterilize or kill them and thereby disinfect the fluid, and can also serve to activate a semiconductor photocatalyst that in turn causes further damage to biological contaminants. The semiconductor photocatalyst is desirably attached to an optically transmitting fiber substrate in the fluid. The second light source in one embodiment is external to the fluid and illuminates the photocatalyst through transmitting surfaces in a fluid containment vessel. The light sources can comprise respective sets of plural LEDs.08-19-2010
20120315186MOBILE UV STERILIZATION UNIT FOR FIELDS AND METHOD THEREOF - A mobile ultraviolet sterilization vehicle. A plurality of UV lamps are removably mounted to a wheeled vehicle. A plurality of tines and a brush are mounted to the vehicle extending across the width thereof and into the supporting surface to position the supporting surface to receive the UV light.12-13-2012
20100266446HANDS AND FOREARMS SANITIZER - A hand sanitizer having first and second compartments in which the first compartment includes an access permitting user's hands and forearms to be inserted and an ozone generator for sanitizing the hands. The second compartment houses an ultraviolet source for converting ozone present in said second compartment into molecular oxygen and includes also an access permitting user's hands and forearms to be inserted. The ozone concentration in the first compartment is maintained at a predetermined level.10-21-2010
20120230867SANITIZATION DEVICES AND METHODS OF THEIR USE - The present invention relates to sanitization devices and methods. More particularly, the invention relates to devices and methods that significantly reduce or eliminate germs, bacteria and/or other microorganisms from objects such as bags, purses, footwear or other objects, as well as bare feet, hands, paws, hooves or other anatomical surfaces, which come into contact with them. The device and method uses germicidal radiation which exposes only the areas of the object that come into applied contact with the device. A top platform of the devices may be in a tilted position when not in uses.09-13-2012
20110038754Bottle, system and method for sterilizing a liquid - A bottle, a system and a method sterilize a liquid. The bottle has an interior to hold the liquid and an ultraviolet light emitting lamp that extends into the interior. A cord may be attached to the bottle so that pulling the cord may power the ultraviolet light emitting lamp and/or charge a battery used to power the ultraviolet light emitting lamp. The bottle may have a status light that indicates that the ultraviolet light emitting lamp may have an amount of power equal to or greater than a threshold value, such as, for example, an amount of power necessary for the ultraviolet light emitting lamp to operate for ninety seconds. The bottle may have a removable lid located opposite to the ultraviolet light emitting lamp.02-17-2011
20080267816Optical element contamination preventing method and optical element contamination preventing device of extreme ultraviolet light source - Solid tin (Sn) is used as a target, a CO10-30-2008
20080226496Systemic Method For Proximity Hygiene and Device With Low-Temperature Sanitizing Chamber in Particular For Food Products - The invention concerns a fast systemic method for low-temperature (athermal) sanitizing in confined chamber, under modified atmosphere, in turbulent conditions by combined production of a highly germicidal ionic chain acting simultaneously on the hydric flux (water) and the aeraulic flux (air), operating under controlled temperature, for killing pathogenic germs and toxins.09-18-2008
20110274582MOBILE UV STERILIZATION UNIT FOR FIELDS AND METHOD THEREOF - A mobile ultraviolet sterilization vehicle. A plurality of UV lamps are removably mounted to a wheeled vehicle. A plurality of tines and a brush are mounted to the vehicle extending across the width thereof and into the supporting surface to position the supporting surface to receive the UV light.11-10-2011
20110274581MOBILE UV STERILIZATION UNIT FOR FIELDS AND METHOD THEREOF - A mobile ultraviolet sterilization vehicle. A plurality of UV lamps are removably mounted to a wheeled vehicle. A plurality of tines and a brush are mounted to the vehicle extending across the width thereof and into the supporting surface to position the supporting surface to receive the UV light.11-10-2011
20130177474SANITIZING DEVICES AND METHODS OF THEIR USE - The present invention relates to sanitization devices and methods. More particularly, the invention relates to devices and methods that significantly reduce or eliminate germs, bacteria and/or other microorganisms from objects such as bags, purses, footwear or other objects, as well as bare feet, hands, paws, hooves or other anatomical surfaces, which come into contact with them. The device and method uses germicidal radiation which exposes only the areas of the object that come into applied contact with the device. A top platform of the device is partitioned so that each partition can act independently of each other.07-11-2013
20080199354HAND SANITIZER/STERILIZER - A germicidal system and method for deactivating pathogens on the surface of a bodily extremity protected by a prophylactic covering substantially opaque to UV-C radiation. The device includes an enclosure having one or more openings through which the extremity can be inserted. The enclosure contains a radiation source configured to produce germicidal radiation having a wavelength of about 253.7 nm. The openings are configured relative to the radiation source such that the inserted extremity is in close proximity to the radiation source. The prophylactic covered extremity is preferably a gloved hand thereby sanitizing the surface of the glove. The extremity inserted is preferably exposed for a predetermined period of time to ensure a desired level of sanitization. Optionally, the device can include an orientation detector to determine the position of the user's hand and the spread of the user's fingers, and a surface detector to determine whether the user's hand is covered by a glove.08-21-2008
20080199353Ultraviolet Sanitization In Pharmacy Environments - Systems and methods to reduce bioburden on at least a portion of a fluid transfer port include supplying a dose of radiation to the portion in optical communication with at least one source of radiation. In an illustrative example, a medical container, such as a vial or IV bag, receives a dose of ultraviolet (UV) energy substantially at a predetermined region of a fluid transfer site. In some examples, such a sanitization process may precede a fluid transfer operation in which a fluid is transferred into or out of the medical container by passing through the sanitized region. Such fluid transfers may be used in automated or semi-automated pharmaceutical processes, such as drug reconstitution. Various embodiments may further include one or more seal assemblies, each seal assembly having an aperture through which the radiation dose is supplied from the source to a controlled region on the fluid transfer port.08-21-2008
20130101461Foot/Footwear Sterilization System - A foot/shoe sanitizing system includes a housing having at least one opening and a set of foot/shoe support bars coupled to the housing in proximity to the at least one opening. The foot/shoe support bars support a foot or shoe placed through the opening(s). At least one ultraviolet emitting device is supported within the housing beneath the set of foot/shoe support bars. The ultraviolet emitting devices direct ultraviolet light around and/or through the set of foot/shoe support bars towards the foot or shoe placed on the foot/shoe support bars. The ultraviolet emitting devices are controllably powered by a source of power to emit ultraviolet light. In a preferred embodiment, the ultraviolet emitting device emits light that includes short wavelength ultraviolet light, causing the formation of ozone in the area of the shoe, thereby killing pathogens that are not easily killed with ultraviolet light alone.04-25-2013
20090280028Package For Meidcal Device - This invention provides a medical device container comprising thermoplastic materials wherein said container is transmissive over substantially all of the surface area of said container to greater than 30% of the radiation in the range of 240 to 280 nm which impinges upon said container, and wherein said container is impervious to microorganisms. The preferred medical device container houses a contact lens.11-12-2009
20120134879ULTRAVIOLET DISINFECTION PROCESS AND APPARATUS - A water/wastewater treatment apparatus combines photo catalytic oxidation (PCO) with ultraviolet C (UVC) disinfection, resulting in significantly increasing organism kills from up to log 2 to up to log4. In addition, PCO destruction of organic compounds and its super hydrophilicity reduces or eliminates the potential of quartz sleeve fouling. The quartz sleeve of the present invention includes a nano-layer of titanium dioxide (TiO05-31-2012
20130243646METHOD AND APPARATUS FOR SANITIZING SPORTS IMPLEMENTS AND BALLS - The present invention relates to team sports and sports implements, and more specifically to methods and devices for sanitizing balls during play. One or more sports balls are may be introduced into the device of the present invention which comprises one or more ultra-violet light sources, and has an insertion and a dispensing region, between which each of said plurality of balls travels at a rate that ensures that each of said plurality of balls remains in said apparatus for at least a kill-time period. Ultra violet rays are presented to the surfaces of the plurality of sports balls as the ball traverses between the insertion and extraction regions of the device.09-19-2013
20130243647Hard Surface Disinfection System And Method - A system and method for disinfecting hard surfaces in an area such as a hospital room including a light source emitting UV light and a reflector mounted behind the light source for concentrating and directing the light toward a target. The light source and reflector rotate to direct the concentrated beam around a room, thereby making more efficient use of the energy being emitted.09-19-2013
20130195716USE OF A STERILIZATION AGENT FOR ENHANCING HEMOCOMPATIBILITY - The invention concerns the use of a sterilization agent comprising H08-01-2013

Patent applications in class Ultraviolet