Patents by Inventor Joe Satcher
Joe Satcher has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 9844762Abstract: Described here is a metal-carbon composite, comprising (a) a porous three-dimensional scaffold comprising one or more of carbon nanotubes, graphene and graphene oxide, and (b) metal nanoparticles disposed on said porous scaffold, wherein the metal-carbon composite has a density of 1 g/cm3 or less, and wherein the metal nanoparticles account for 1 wt. % or more of the metal-carbon composite. Also described are methods for making the metal-carbon composite.Type: GrantFiled: September 12, 2014Date of Patent: December 19, 2017Assignee: Lawrence Livermore National Security, LLCInventors: Marcus A. Worsley, Joe Satcher, Sergei Kucheyev, Supakit Charnvanichborikarn, Jeffrey Colvin, Thomas Felter, Sangil Kim, Matthew Merrill, Christine Orme
-
Patent number: 9840443Abstract: A general procedure applied to a variety of sol-gel precursors and solvent systems for preparing and controlling homogeneous dispersions of very small particles within each other. Fine homogenous dispersions processed at elevated temperatures and controlled atmospheres make a ceramic powder to be consolidated into a component by standard commercial means: sinter, hot press, hot isostatic pressing (HIP), hot/cold extrusion, spark plasma sinter (SPS), etc.Type: GrantFiled: October 16, 2014Date of Patent: December 12, 2017Assignee: Lawrence Livermore National Laboratory, LLCInventors: Richard Landingham, Robert A. Reibold, Joe Satcher
-
Patent number: 9455366Abstract: According to one embodiment, a photoconductive semiconductor switch includes a structure of nanopowder of a high band gap material, where the nanopowder is optically transparent, and where the nanopowder has a physical characteristic of formation from a sol-gel process. According to another embodiment, a method includes mixing a sol-gel precursor compound, a hydroxy benzene and an aldehyde in a solvent thereby creating a mixture, causing the mixture to gel thereby forming a wet gel, drying the wet gel to form a nanopowder, and applying a thermal treatment to form a SiC nanopowder.Type: GrantFiled: March 15, 2013Date of Patent: September 27, 2016Assignee: Lawrence Livermore National Security, LLCInventors: Richard L. Landingham, Joe Satcher, Jr., Robert Reibold
-
Publication number: 20160194251Abstract: A general procedure applied to a variety of sol-gel precursors and solvent systems for preparing and controlling homogeneous dispersions of very small particles within each other. Fine homogenous dispersions processed at elevated temperatures and controlled atmospheres make a ceramic powder to be consolidated into a component by standard commercial means: sinter, hot press, hot isostatic pressing (HIP), hot/cold extrusion, spark plasma sinter (SPS), etc.Type: ApplicationFiled: October 16, 2014Publication date: July 7, 2016Inventors: Richard Landingham, Robert A. Reibold, Joe Satcher, JR.
-
Publication number: 20160101398Abstract: Described here is a metal-carbon composite, comprising (a) a porous three-dimensional scaffold comprising one or more of carbon nanotubes, graphene and graphene oxide, and (b) metal nanoparticles disposed on said porous scaffold, wherein the metal-carbon composite has a density of 1 g/cm3 or less, and wherein the metal nanoparticles account for 1 wt. % or more of the metal-carbon composite. Also described are methods for making the metal-carbon composite.Type: ApplicationFiled: September 12, 2014Publication date: April 14, 2016Inventors: Marcus A. Worsley, Joe Satcher, Sergei Kucheyev, Supakit Charnvanichborikarn, Jeffrey Colvin, Thomas Felter, Sangil Kim, Matthew Merrill, Christine Orme
-
Publication number: 20140264377Abstract: According to one embodiment, a photoconductive semiconductor switch includes a structure of nanopowder of a high band gap material, where the nanopowder is optically transparent, and where the nanopowder has a physical characteristic of formation from a sol-gel process. According to another embodiment, a method includes mixing a sol-gel precursor compound, a hydroxy benzene and an aldehyde in a solvent thereby creating a mixture, causing the mixture to gel thereby forming a wet gel, drying the wet gel to form a nanopowder, and applying a thermal treatment to form a SiC nanopowder.Type: ApplicationFiled: March 15, 2013Publication date: September 18, 2014Applicant: LAWRENCE LIVERMORE NATIONAL SECURITY, LLCInventors: Richard L. Landingham, Joe Satcher, Jr., Robert Reibold
-
Patent number: 8085894Abstract: A nuclear fuel according to one embodiment includes an assembly of nuclear fuel particles; and continuous open channels defined between at least some of the nuclear fuel particles, wherein the channels are characterized as allowing fission gasses produced in an interior of the assembly to escape from the interior of the assembly to an exterior thereof without causing significant swelling of the assembly. Additional embodiments, including methods, are also presented.Type: GrantFiled: April 11, 2008Date of Patent: December 27, 2011Assignee: Lawrence Livermore National Security, LLCInventors: Athanasios Arsenlis, Joe Satcher, Jr., Sergei O. Kucheyev
-
Publication number: 20090080592Abstract: A nuclear fuel according to one embodiment includes an assembly of nuclear fuel particles; and continuous open channels defined between at least some of the nuclear fuel particles, wherein the channels are characterized as allowing fission gasses produced in an interior of the assembly to escape from the interior of the assembly to an exterior thereof without causing significant swelling of the assembly. Additional embodiments, including methods, are also presented.Type: ApplicationFiled: April 11, 2008Publication date: March 26, 2009Inventors: Athanasios Arsenlis, Joe Satcher, JR., Sergei O. Kucheyev
-
Publication number: 20070167534Abstract: A method for the preparation of high strength air-dried organic aerogels. The method involves the sol-gel polymerization of organic gel precursors, such as resorcinol with formaldehyde (RF) in aqueous solvents with R/C ratios greater than about 1000 and R/F ratios less than about 1:2.1. Using a procedure analogous to the preparation of resorcinol-formaldehyde (RF) aerogeis, this approach generates wet gels that can be air dried at ambient temperatures and pressures. The method significantly reduces the time and/or energy required to produce a dried aerogel compared to conventional methods using either supercritical solvent extraction. The air dried gel exhibits typically less than 5% shrinkage.Type: ApplicationFiled: January 18, 2006Publication date: July 19, 2007Inventors: Paul Coronado, Joe Satcher
-
Patent number: 7211607Abstract: Nanostructured chromium(III)-oxide-based materials using sol-gel processing and a synthetic route for producing such materials are disclosed herein. Monolithic aerogels and xerogels having surface areas between 150 m2/g and 520 m2/g have been produced. The synthetic method employs the use of stable and inexpensive hydrated-chromium(III) inorganic salts and common solvents such as water, ethanol, methanol, 1-propanol, t-butanol, 2-ethoxy ethanol, and ethylene glycol, DMSO, and dimethyl formamide. The synthesis involves the dissolution of the metal salt in a solvent followed by an addition of a proton scavenger, such as an epoxide, which induces gel formation in a timely manner. Both critical point (supercritical extraction) and atmospheric (low temperature evaporation) drying may be employed to produce monolithic aerogels and xerogels, respectively.Type: GrantFiled: April 24, 2002Date of Patent: May 1, 2007Assignee: The Regents of the University of CaliforniaInventors: Alexander E. Gash, Joe Satcher, Thomas Tillotson, Lawrence Hrubesh, Randall Simpson
-
Publication number: 20070003435Abstract: An inspection tester that can be used anywhere as a primary screening tool by non-technical personnel to determine whether a surface contains explosives. It includes a body with a sample pad. First and second explosives detecting reagent holders and dispensers are operatively connected to the body and the sample pad. The first and second explosives detecting reagent holders and dispensers are positioned to deliver the explosives detecting reagents to the sample pad. A is heater operatively connected to the sample pad.Type: ApplicationFiled: July 11, 2005Publication date: January 4, 2007Inventors: Jeffrey Haas, Randall Simpson, Joe Satcher
-
Publication number: 20060062440Abstract: A method and apparatus with the sensitivity to detect and identify single target molecules through the localization of dual, fluorescently labeled probe molecules. This can be accomplished through specific attachment of the taget to a surface or in a two-dimensional (2D) flowing fluid sheet having approximate dimensions of 0.5 ?m×100 ?m×100 ?m. A device using these methods would have 103-104 greater throughput than previous one-dimensional (1D) micro-stream devices having 1 ?m3 interrogation volumes and would for the first time allow immuno- and DNA assays at ultra-low (femtomolar) concentrations to be performed in short time periods (˜10 minutes). The use of novel labels (such as metal or semiconductor nanoparticles) may be incorporated to further extend the sensitivity possibly into the attomolar range.Type: ApplicationFiled: June 12, 2002Publication date: March 23, 2006Inventors: Christopher Hollars, Thomas Huser, Stephen Lane, Rodney Balhorn, Olgica Bakajin, Christopher Darrow, Joe Satcher
-
Publication number: 20060057450Abstract: A microreactor comprising a silicon wafer, a multiplicity of microchannels in the silicon wafer, and a catalyst coating the microchannels. In one embodiment the catalyst coating the microchannels comprises a nanostructured material. In another embodiment the catalyst coating the microchannels comprises an aerogel. In another embodiment the catalyst coating the microchannels comprises a solgel. In another embodiment the catalyst coating the microchannels comprises carbon nanotubes.Type: ApplicationFiled: April 28, 2005Publication date: March 16, 2006Inventors: Jeffrey Morse, David Sopchak, Ravindra Upadhye, John Reynolds, Joe Satcher, Alex Gash
-
Publication number: 20060050268Abstract: Surface-Enhanced Raman Spectroscopy (SERS) is a vibrational spectroscopic technique that utilizes metal surfaces to provide enhanced signals of several orders of magnitude. When molecules of interest are attached to designed metal nanoparticles, a SERS signal is attainable with single molecule detection limits. This provides an ultrasensitive means of detecting the presence of molecules. By using selective chemistries, metal nanoparticles can be functionalized to provide a unique signal upon analyte binding. Moreover, by using measurement techniques, such as, ratiometric received SERS spectra, such metal nanoparticles can be used to monitor dynamic processes in addition to static binding events. Accordingly, such nanoparticles can be used as nanosensors for a wide range of chemicals in fluid, gaseous and solid form, environmental sensors for pH, ion concentration, temperature, etc., and biological sensors for proteins, DNA, RNA, etc.Type: ApplicationFiled: September 7, 2004Publication date: March 9, 2006Inventors: Chad Talley, Thomas Huser, Christopher Hollars, Stephen Lane, Joe Satcher, Bradley Hart, Ted Laurence
-
Publication number: 20060042417Abstract: New sol-gel methods can be employed to generate high surface area porous iron (III) oxide-based solids. Chemical reduction of such porous solids at low temperatures allows the preparation of high surface area porous iron with little sintering, with the only byproduct being water. The material is readily pyrophoric and has utility in new decoy flares. The material, prepared by this synthetic route, eliminates the use of hot caustic leaching solutions. It does not require the incorporation of any hazardous materials or processes that are not already used in current production methods.Type: ApplicationFiled: June 24, 2005Publication date: March 2, 2006Inventors: Alexander Gash, Joe Satcher, Randall Simpson
-
Publication number: 20050027027Abstract: Synthetic methods for the preparation of hydrophobic organics aerogels. One method involves the sol-gel polymerization of 1,3-dimethoxybenzene or 1,3,5-trimethoxybenzene with formaldehyde in non-aqueous solvents. Using a procedure analogous to the preparation of resorcinol-formaldehyde (RF) aerogels, this approach generates wet gels that can be dried using either supercritical solvent extraction to generate the new organic aerogels or air dried to produce an xerogel. Other methods involve the sol-gel polymerization of 1,3,5 trihydroxy benzene (phloroglucinol) or 1,3 dihydroxy benzene (resorcinol) and various aldehydes in non-aqueous solvents. These methods use a procedure analogous to the one-step base and two-step base/acid catalyzed polycondensation of phloroglucinol and formaldehyde, but the base catalyst used is triethylamine. These methods can be applied to a variety of other sol-gel precursors and solvent systems.Type: ApplicationFiled: August 26, 2004Publication date: February 3, 2005Inventors: Theodore Baumann, Joe Satcher, Alexander Gash
-
Publication number: 20030202933Abstract: Nanostructured chromium(III)-oxide-based materials using sol-gel processing and a synthetic route for producing such materials are disclosed herein. Monolithic aerogels and xerogels having surface areas between 150 m2/g and 520 m2/g have been produced. The synthetic method employs the use of stable and inexpensive hydrated-chromium(III) inorganic salts and common solvents such as water, ethanol, methanol, 1-propanol, t-butanol, 2-ethoxy ethanol, and ethylene glycol, DMSO, and dimethyl formamide. The synthesis involves the dissolution of the metal salt in a solvent followed by an addition of a proton scavenger, such as an epoxide, which induces gel formation in a timely manner. Both critical point (supercritical extraction) and atmospheric (low temperature evaporation) drying may be employed to produce monolithic aerogels and xerogels, respectively.Type: ApplicationFiled: April 24, 2002Publication date: October 30, 2003Applicant: The Regents of the University of CaliforniaInventors: Alexander E. Gash, Joe Satcher