Patent application number | Description | Published |
20140029163 | NANO TRI-CARBON COMPOSITE SYSTEMS AND MANUFACTURE - Nano-carbon material is described that combines the common and unique properties of spherical fullerenes, carbon nanotubes and graphene carbon allotropes to create an architecture that has unique mechanical and electrical properties. The combined tensile strength of graphene with the compressive strength of fullerenes attached to nanotubes creates a high strength material. By attaching fullerenes to nanotubes, the surface area of the material is greatly enhanced beyond the high surface area normally associated with vertically aligned nanotube arrays. Fabrication can be performed via several complementary methods including catalyst deposition, hydrocarbon chemical vapor deposition, and surface functionalization. The fabrication of the NTC is based on its sub-composites: graphene-nanotubes and nanotubes-fullerenes and their respective fabrication processes. | 01-30-2014 |
20140296780 | POLYMER COMPOSITE CARBON NANOTUBE MICRONEEDLE DEVICES AND THEIR FABRICATION - Composite CNT microneedle fabrication and finally-constructed delivery device embodiments are described. The microneedles can provide a self-administered, painless alternative to standard hypodermic injection. | 10-02-2014 |
20150010788 | Carbon Nanotubes - Graphene Hybrid Structures for Separator Free Silicon - Sulfur Batteries - Provided herein are electrochemical systems and related methods of making and using electrochemical systems. Electrochemical systems of the invention implement novel cell geometries and composite carbon nanomaterials based design strategies useful for achieving enhanced electrical power source performance, particularly high specific energies, useful discharge rate capabilities and good cycle life. Electrochemical systems of the invention are versatile and include secondary lithium ion cells, such as silicon-sulfur lithium ion batteries, useful for a range of important applications including use in portable electronic devices. Electrochemical cells of the present invention also exhibit enhanced safety and stability relative to conventional state of the art lithium ion secondary batteries by using prelithiated active materials to eliminate the use of metallic lithium and incorporating carbon nanotube and/or graphene, composite electrode structures to manage residual stress and mechanical strain arising from expansion and contraction of active materials during charge and discharge. | 01-08-2015 |
20150073385 | REMOTE RESERVOIR MICRONEEDLE DRUG DELIVERY SYSTEMS - Transdermal drug delivery patch devices are described in which microneedle array insertion or application forces are decoupled or separated from drug delivery actuation or application forces. Dual-reservoir devices are described in detail for such purposes as are associated methods of use in various examples. | 03-12-2015 |
20150238742 | DRUG DELIVERY AND SUBSTANCE TRANSFER FACILITATED BY NANO-ENHANCED DEVICE HAVING ALIGNED CARBON NANOTUBES PROTRUDING FROM DEVICE SURFACE - The present invention relates to a nano-enhanced device for substance transfer between the device and a tissue. The device comprises a substrate with substantially aligned carbon nanotubes anchored within the substrate, and with at least one end of the carbon nanotubes protruding from the substrate. The protruding nanotube ends may be coated with a drug for delivery of the drug into body tissue. The present invention may be incorporated into an angioplasty catheter balloon or into a patch that is worn on the skin. The carbon nanotubes can be grouped in clusters to effectively form nano-needles which can transfer fluid to or from the subdermal tissue. The nano-needles can be used in conjunction with a sensor to ascertain body fluid information such as pH, glucose level, etc. | 08-27-2015 |
20150329362 | SIMPLE METHOD FOR PRODUCING SUPERHYDROPHOBIC CARBON NANOTUBE ARRAY - Efficient methods for producing a superhydrophobic carbon nanotube (CNT) array are set forth. The methods comprise providing a vertically aligned CNT array and performing vacuum pyrolysis on the CNT array to produce a superhydrophobic CNT array. These methods have several advantages over the prior art, such as operational simplicity and efficiency. | 11-19-2015 |
Patent application number | Description | Published |
20100196446 | Drug delivery and substance transfer facilitated by nano-enhanced device having aligned carbon nanotubes protruding from device surface - The present invention relates to a nano-enhanced device for substance transfer between the device and a tissue. The device comprises a substrate with substantially aligned carbon nanotubes anchored within the substrate, and with at least one end of the carbon nanotubes protruding from the substrate. The protruding nanotube ends may be coated with a drug for delivery of the drug into body tissue. The present invention may be incorporated into an angioplasty catheter balloon or into a patch that is worn on the skin. The carbon nanotubes can be grouped in clusters to effectively form nano-needles which can transfer fluid to or from the subdermal tissue. The nano-needles can be used in conjunction with a sensor to ascertain body fluid information such as pH, glucose level, etc. | 08-05-2010 |
20110250376 | SIMPLE METHOD FOR PRODUCING SUPERHYDROPHOBIC CARBON NANOTUBE ARRAY - The present invention provides efficient methods for producing a superhydrophobic carbon nanotube (CNT) array. The methods comprise providing a vertically aligned CNT array and performing vacuum pyrolysis on the CNT array to produce a superhydrophobic CNT array. These methods have several advantages over the prior art, such as operational simplicity and efficiency. The invention also relates to superhydrophobic CNT arrays. | 10-13-2011 |
20120247545 | GRAPHENE-BASED MULTI-JUNCTIONS FLEXIBLE SOLAR CELL - This disclosure relates to structures for the conversion of light into energy. More specifically, the disclosure describes devices for conversion of light to electricity using photovoltaic cells comprising graphene. | 10-04-2012 |
20130158377 | Drug Delivery and Substance Transfer Facilitated by Nano-Enhanced Device Having Aligned Carbon Nanotubes Protruding from Device Surface - The present invention relates to a nano-enhanced device for substance transfer between the device and a tissue. The device comprises a substrate with substantially aligned carbon nanotubes anchored within the substrate, and with at least one end of the carbon nanotubes protruding from the substrate. The protruding nanotube ends may be coated with a drug for delivery of the drug into body tissue. The present invention may be incorporated into an angioplasty catheter balloon or into a patch that is worn on the skin. The carbon nanotubes can be grouped in clusters to effectively form nano-needles which can transfer fluid to or from the subdermal tissue. The nano-needles can be used in conjunction with a sensor to ascertain body fluid information such as pH, glucose level, etc. | 06-20-2013 |
20130178722 | Sharp Tip Carbon Nanotube Microneedle Devices and Their Fabrication - Carbon nanotube needles and needle arrays are described in which the precursor pillars are etched by oxygen plasma treatment to provide tapered and/or sharp-tip needles. Processes, products by process, and devices incorporating the sharp-tip needles are further described. | 07-11-2013 |
Patent application number | Description | Published |
20120058170 | DRUG DELIVERY BY CARBON NANOTUBE ARRAYS - The invention generally relates to carbon nanotube based drug delivery methods, devices, and compositions. More particularly, the invention relates to controlled drug delivery using anchored carbon nanotube arrays. | 03-08-2012 |
20120184065 | METHOD FOR PRODUCING GRAPHENE OXIDE WITH TUNABLE GAP - A method of fabricating a graphene oxide material in which oxidation is confined within the graphene layer and that possesses a desired band gap is provided. The method allows specific band gap values to be developed. Additionally, the use of masks is consistent with the method, so intricate configurations can be achieved. The resulting graphene oxide material is thus completely customizable and can be adapted to a plethora of useful engineering applications. | 07-19-2012 |
20120250225 | METHOD TO INCREASE THE CAPACITANCE OF ELECTROCHEMICAL CARBON NANOTUBE CAPACITORS BY CONFORMAL DEPOSITION OF NANOPARTICLES - A method of increasing the area of carbon nanotubes used in fabricating capacitors is described. The method involves reacting carbon nanotubes with electrically conductive ions, molecules or nanoparticles that increase the surface area of the nanotubes. The capacitance and the energy stored in the capacitor can be increased by such treatment. Devices constructed from such treated materials and their properties are described. | 10-04-2012 |
20140094021 | METHOD FOR PRODUCING GRAPHENE OXIDE WITH TUNABLE GAP - A method of fabricating a graphene oxide material in which oxidation is confined within the graphene layer and that possesses a desired band gap is provided. The method allows specific band gap values to be developed. Additionally, the use of masks is consistent with the method, so intricate configurations can be achieved. The resulting graphene oxide material is thus completely customizable and can be adapted to a plethora of useful engineering applications. | 04-03-2014 |