Browsing University of Texas Patents by Issue Date
Now showing items 1-20 of 1194
-
Photocatalytic methods for preparing metallized powders
(United States Patent and Trademark Office, 1981-04-28)Photocatalytic methods are disclosed for the preparation of metallized powders. Specifically, such methods include the photodeposition of platinum, copper and other metals on TiO.sub.2 powder and other semiconductor powders. ... -
Methods of photocatalytic decarboxylation of saturated carboxylic acid
(United States Patent and Trademark Office, 1981-12-01)Methods for heterogeneous photocatalytic decarboxylation of saturated carboxylic acids on several n-type semiconductor powders are disclosed. Major reaction products are the corresponding alkanes and carbon dioxide. -
Alcohol and aldehyde production using ruthenium carbonyl catalysts
(United States Patent and Trademark Office, 1981-12-15)The present invention is an isomerically specific improvement of the oxo process reaction. It comprises the reaction of an olefin with carbon monoxide and water or hydrogen in a basic solution in the presence of a ruthenium ... -
Hybrid double-absorption cooling system
(United States Patent and Trademark Office, 1983-02-15)A hybrid double absorption air cooling system employing a liquid desiccant solution and capable of operating at low heat source temperature between 55.degree. C. and 80.degree. C. is provided. In one embodiment the system ... -
Biologically active thymones from the thymus
(United States Patent and Trademark Office, 1983-02-22)A class of three substances has been isolated in highly purified form and in substantially pure form by utilizing thymus tissue as a source material. These three substances are designated thymone A, thymone B and thymone ... -
Current limiting device for overcurrent protection
(United States Patent and Trademark Office, 1983-09-20)A current limiting device for use with a circuit breaker in an electric power system utilizes mutual inductance variation between movable windings to limit current to safe levels. In the device, first and second coil ... -
Brush actuator for homopolar generator
(United States Patent and Trademark Office, 1984-07-10)A homopolar generator having a rotor with a slip ring surface utilizes an inflatable diaphragm to force the current-collecting brushes into contact with the rotor slip ring. The diaphragm is molded around a metal core. An ... -
Peptide antagonists of substance P
(United States Patent and Trademark Office, 1984-11-06)Undecapeptides retaining the amino acids in positions 2, 3, 4, 5, 6, 8 and 10 of substance P (Arg.sup.1 -Pro.sup.2 -Lys.sup.3 -Pro.sup.4 -Gln.sup.5 -Gln.sup.6 -Phe.sup.7 -Phe.sup.8 -Gly.sup.9 -Leu.sup.10 -Met.sup.11 ... -
Di- and triphenylated cation radical polymers and their use as Diels-Alder catalysts
(United States Patent and Trademark Office, 1985-03-05)A regenerative catalyst composition is provided comprising polymer supported covalently bound di- or triphenylated cation radical salts, wherein the cation radical is a Group VA element and the complementing anion is a ... -
Synthetic pyridyl-alanyl decapeptides having antiovulatory activity
(United States Patent and Trademark Office, 1985-03-12)Pyridyl-alanyl decapeptides have been effectively synthesized and found to have antiovulatory activity. The exemplary [N-Ac-D-2-Nal.sup.1,pCl-D-Phe.sup.2, D-3-Pal.sup.3,D-Arg.sup.6,D-Ala.sup.10 ]-LHRH has very high potency ... -
Catalysts for hydrogenation of aromatic compounds
(United States Patent and Trademark Office, 1985-03-19)A novel transition metal catalyst which has a phosphido-type linkage is much less subject to metal loss during operations because of its greater bond strength. This catalyst will hydrogenate unsaturated hydrocarbons under ... -
Quasi-optical polarization duplexed balanced mixer
(United States Patent and Trademark Office, 1985-04-02)An integrated planar antenna-mixer device for microwave reception utilizes a slot-ring antenna and a diode quad connected thereto. The device comprises a planar metallic sheet backed on one side by a dielectric layer. A ... -
Hybrid cell lines producing monoclonal antibodies directed against Treponema
(United States Patent and Trademark Office, 1985-04-30)Continuous hybrid cell lines for producing monoclonal antibodies directed against antigens of Treponema pallidum have been developed. The hybrid cell lines were established by fusing differentiated lymphoid cells primed ... -
Microencapsulation process
(United States Patent and Trademark Office, 1985-05-21)Nylon coated microcapsules containing hydrophilic solvent-soluble anionic, cationic or quaternary drug salts were prepared by interfacial polycondensation techniques. In a first stage, the drug substance to be encapsulated ... -
Method for forming perfluorocarbon ethers
(United States Patent and Trademark Office, 1985-06-11)A method is disclosed for producing fluorocarbon ethers wherein a high molecular weight polyether is reacted with elemental fluorine to produce a highly fluorinated polyether which is subjected to an elevated temperature ... -
Method and apparatus for concentrating a selected element for atomic spectroscopy
(United States Patent and Trademark Office, 1985-07-16)A method and apparatus are disclosed for concentrating a selected element of a sample in a furnace or electrothermal atomizer for atomic spectroscopy. The apparatus includes a heating receptacle comprised of materials ... -
Oral lubricant for athletic mouth protector
(United States Patent and Trademark Office, 1985-08-27)An oral lubricant effective in reducing the discomfort associated with the wearing of a mouth protector during periods of activity consisting essentially of a thickening agent, a preservative, a flavoring agent, a sweetener, ... -
Homopolar generator power supply system
(United States Patent and Trademark Office, 1985-10-01)A high-energy, high-current homopolar generator pulsed power supply system that is compact and field portable. The power supply system includes a hompolar generator (HPG), an auxiliary supply and drive system, both mounted ... -
Lipoidal biopterin compounds
(United States Patent and Trademark Office, 1985-10-29)" The present invention provides lipoidal biopterin and tetrahydrobiopterin compounds of the general structure: ##STR1## wherein --R is absent when ring B has two double bonds, PA0 --R is hydrogen when the two double bonds ... -
Di- and triphenylated cation radical polymers and their use as Diels-Alder catalysts
(United States Patent and Trademark Office, 1985-11-12)A regenerative catalyst composition is provided comprising polymer supported covalently bound di- or triphenylated cation radical salts, wherein the cation radical is a Group VA element and the complementing anion is a ...
