| CLEMSON UNIVERSITY Patent applications |
| Patent application number | Title | Published |
|---|
| 20110311180 | Glassy Surface Smoothing Layer for Integrated Waveguide - An integrated optical waveguide includes a substrate, a waveguide under-cladding layer disposed on the substrate, and a waveguide core, having top and sidewall surfaces, disposed on the under-cladding layer. A glassy surface smoothing layer disposed on the waveguide core top surface and sidewall surfaces and has a refractive index, relative to a refractive index of the waveguide core, that enables guided optical transmission through the waveguide core and the glassy surface smoothing layer. In fabrication of the optical waveguide, a waveguide under-cladding layer is formed on a substrate and a waveguide core having sidewall surfaces and a top surface is formed on the under-cladding layer. A liquid suspension comprising particles of a glassy material is applied on the top and sidewall surfaces of the waveguide core. The applied liquid glassy particle suspension is heated to form a glassy surface smoothing layer on the waveguide core top surface and sidewall surfaces. | 12-22-2011 |
| 20110262709 | Ultrahydrophobic Substrates - Disclosed is a process for modification of a substrate so as to form an ultrahydrophobic surface on the substrate. Also disclosed are surface-modified substrates that can be formed according to the disclosed processes. The process includes attachment of a multitude of nano- and/or submicron-sized structures to a surface to provide increased surface roughness. In addition, the process includes grafting a hydrophobic material to the surface in order to decrease the surface energy and decrease wettability of the surface. The combination of increase surface roughness and decreased surface energy can provide an ultrahydrophobic surface on the treated substrate. | 10-27-2011 |
| 20110103756 | OPTICAL FIBER SYSTEMS AND METHODS - One embodiment of the invention includes a method for forming an optical fiber. The method comprises providing a preform having a core material and a glass cladding material surrounding the core material. The method also comprises drawing the preform at a temperature that is greater than a melting temperature of the core material to form a drawn fiber. The method further comprises cooling the drawn fiber to form the optical fiber having a crystalline fiber core and a cladding that surrounds the crystalline fiber core and extends axially along a length of the crystalline fiber core. | 05-05-2011 |
| 20110049412 | Fluorescent Carbon Nanoparticles - Disclosed are photoluminescent particles. The particles include a core nano-sized particle of carbon and a passivation agent bound to the surface of the nanoparticle. The passivation agent can be, for instance, a polymeric material. The passivation agent can also be derivatized for particular applications. For example, the photoluminescent carbon nanoparticles can be derivatized to recognize and bind to a target material, for instance a biologically active material, a pollutant, or a surface receptor on a tissue or cell surface, such as in a tagging or staining protocol. | 03-03-2011 |
| 20110048772 | CONDUCTING POLYMER INK - Disclosed are conductive polymer inks and methods for forming the inks. The disclosed inks include a dispersion of conductive core/shell nanoparticles. The core/shell nanoparticles include a polymeric core and a shell formed of a conducting polymer. The inks can include a dispersion of the core/shell nanoparticles in a liquid carrier, such as an alcohol. The disclosed inks can be formulated to high viscosities and can be utilized in high-speed printing processes including rotogravure and flexographic printing processes. Products encompassed by the disclosure include polymer devices such as sensors, OFETs, RFID tags, printed circuit board, electrochromic devices, non-volatile memory devices, photovoltaics, and the like. | 03-03-2011 |
| 20110014630 | Fluorescent Carbon Nanoparticles - Disclosed are photoluminescent particles. The particles include a core nano-sized particle of carbon and a passivation agent bound to the surface of the nanoparticle. The passivation agent can be, for instance, a polymeric material. The passivation agent can also be derivatized for particular applications. For example, the photoluminescent carbon nanoparticles can be derivatized to recognize and bind to a target material, for instance a biologically active material, a pollutant, or a surface receptor on a tissue or cell surface, such as in a tagging or staining protocol. | 01-20-2011 |
| 20100319586 | Carbon dioxide capture from a cement manufacturing process - A process of manufacturing cement clinker is provided in which a clean supply of CO | 12-23-2010 |
| 20100307754 | Aerosol injection into vadose zone - An apparatus and process for delivering aerosol-based amendments into a subsurface region is provided. The apparatus used to form the aerosol has an ability to restrict the aerosol particle size to a preferred particle size range such that undesired particle sizes are not introduced. By maintaining a proper ratio of aerosol particle size to subsurface pore size, the efficiency of an aerosol introduction can be enhanced. | 12-09-2010 |
| 20100300054 | Activated Protective Fabric - Disclosed are fibrous activated materials that can remove and/or deactivate potentially dangerous airborne agents from a gas or air stream. Disclosed materials are multi-layer materials that include a fibrous nonwoven interceptor layer and an active layer immediately adjacent the interceptor layer. The interceptor layer is a fibrous membrane of very low basis weight and defines a relatively low porosity, and the active layer describes geometries, chemistries, etc. that can entrap and/or decontaminate compounds contained in an airstream passing through the material. Disclosed materials can be utilized in forming protective garments, face masks, and the like. | 12-02-2010 |
| 20100194573 | Weight Control Device - The present invention relates to a device that can be used in individual weight control protocols that is capable of detecting in real time information with regard to number of bites taken, time between bites, and so forth. The weight control device can detect bites through motion detection via a sensor worn on the wrist or hand of a user. The device can include notification capabilities that can alert a user as to excessive eating speed, excessive amounts of food intake, and the like so as to provide immediate feedback for purposes of weight control. | 08-05-2010 |
| 20100184170 | Development of a Fermentative Enrichment Culture and Two Pure Isolates that Biotransform High Concentrations of Chloroform and Other Halomethanes - Disclosed are fermentative enrichment cultures and two pure isolates there from for use in biotransformation of halomethanes. Disclosed bioaugmentation cultures are dominated by Enterobacteriaceae, and are implemented together with one or more electron donors such as corn syrup, glucose, and the like, and a corrinoid catalyst such as vitamin B | 07-22-2010 |
| 20100000902 | COMPOSITE POLYMERIC MATERIALS FROM RENEWABLE RESOURCES - Disclosed are environmentally friendly polymeric composite materials and products that can be formed from the composites. The polymeric composites can include a lactide-based polymeric matrix reinforced with fibers derived from renewable resources and optionally including one or more beneficial agents such as, for instance, naturally occurring UV blockers or absorbents, anti-oxidants, anti-microbials, and the like. The composite materials can be formed into a desired structure according to low energy formation processes and can be designed for controlled degradation. In one particular embodiment, the composite materials can be formed to produce containers for storing and protecting environmentally sensitive materials such as pharmaceuticals or nutraceuticals. Beneficially, the disclosed materials can be formed entirely from renewable resources. | 01-07-2010 |
| 20090246321 | Feed Supplement Delivery System - Disclosed are novel feed supplements for ruminants and methods for making the same. The feed supplements include unsaturated fatty acid encapsulated by a protective coating. Through utilization of the disclosed feed supplements, dietary intake and absorption of unsaturated fatty acids can be increased, due to protection of the ingested unsaturated fatty acids from biohydrogenation in the animal's rumen. The methods of the invention can be utilized to increase unsaturated fatty acid levels in the animal's tissues. Hence, food products obtained from the animal can also have an increased unsaturated fatty acid content and correspondingly lower saturated fatty acid content. | 10-01-2009 |
| 20090215176 | Differential Pressure Pump System - The present disclosure is directed to a fluid pumping mechanism that uses differential pressure to drive flow through one or more culture chambers. Fluid contained within a first chamber can be caused to flow through one or more culture chambers and thence to a second chamber upon establishment of a pressure differential between the two chambers. The differential pressure system can induce either steady state or pulsatile flow through a culture chamber. In one embodiment, a culture chamber can be held at a high or low pressure hydrostatic state through utilization of the disclosed systems. | 08-27-2009 |
| 20090175885 | METHOD OF CONTROLLING INSECT PESTS IN COTTON - An assay system is provided in which gossypol is used as a biological marker to detect evolved resistance of insects to Bt cotton. Detection of gossypol using a monoclonal antibody ELISA-based protocol enables at risk populations of insects to be evaluated for evolved resistance to Bt present in a genetically modified cotton. | 07-09-2009 |
| 20090162277 | Lysophospholipids Solubilized Single-Walled Carbon Nanotubes - Lipophilic compounds extracted from cell growth mediums, particularly lysophospholipids are used to solubilize single-walled nanotubes. The naturally occurring lysophospholipids were found to readily bond to the exterior wall of the single-walled nanotubes to enhance the biocompatibility of the single-walled nanotubes in therapeutic and diagnostic conditions. The solubilization protocol is simple, highly efficient, and results in a population of coated single-walled nanotubes which are highly stable. | 06-25-2009 |
| 20090030088 | Therapeutic benefits of gossypol, 6-methoxy gossypol, and 6,6'-dimothxy gossypol - 6-methoxy gossypol and 6,6′-dimethoxy gossypol were isolated from cottonseeds. Bioactivities of these two gossypol derivatives and gossypol were investigated regarding their antioxidant activities, DNA damage prevention ability, anti-cancer, and anti-trypanosomal activities. Both methoxy compounds had nearly equivalent bioactivities, but gossypol showed greater bioactivities than either methoxy derivative on free radical scavenging activity, reducing power, and DNA damage prevention ability. Gossypol and its methoxy derivatives inhibited growth of three cancer cell lines, i.e., SiHa (cervical cancer), MCF-7 (breast cancer) and Caco-2 (colon cancer) cells, in a dose dependent manner. These three compounds also significantly inhibited growth of trypanosome | 01-29-2009 |
| 20080213923 | DNA-Based Memory Device and Method of Reading and Writing Same - The present invention is directed to a memory device having very high storage density capability. In general, the memory device includes an array of individual memory cells which store information that is assigned a value based on the molecular contents of the memory cell. In a preferred embodiment, the molecules utilized for storing information in the memory cells may be single-strand polynucleotides, for instance single-strand oligonucleotides of between about 5 and about 20 monomer units. The present invention is also directed to methods and systems useful for writing and reading the molecular-based memory devices. In particular, the devices may be written and read via modified atomic force microscopy processes. | 09-04-2008 |
