Patents Represented by Attorney Richard A. Kretchmer

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  • Photoconducting amorphous carbon
    Patent number: 4673589
    Abstract: A photoconducting sulfur- and hydrogen-doped amorphous carbon is prepared by deposition from a plasma glow discharge in a gas mixture which comprises at least one hydrocarbon and at least one sulfur source.
    Type: Grant
    Filed: February 18, 1986
    Date of Patent: June 16, 1987
    Assignee: Amoco Corporation
    Inventor: Robert W. Standley
  • Electrolyte additive for lithium-sulfur dioxide electrochemical cells
    Patent number: 4643958
    Abstract: A quinone imine dye can be used as an electrolyte additive in lithium-sulfur dioxide electrochemical cells to reduce the polarization which is observed during current flow conditions and, in some cases, to improve electrolyte stability and prevent or reduce the possibility of explosion upon abuse.
    Type: Grant
    Filed: September 12, 1985
    Date of Patent: February 17, 1987
    Assignee: Amoco Corporation
    Inventors: Robert J. Thrash, John F. Connolly
  • Photochemical process for the hydrobromination of olefinic double bonds
    Patent number: 4643812
    Abstract: The free radical hydrobromination reaction of an olefinic compound is initiated photochemically by irradiating a mixture of hydrogen bromide and the olefinic compound with coherent light having a wavelength in the range from about 335 to about 500 nm.
    Type: Grant
    Filed: January 24, 1985
    Date of Patent: February 17, 1987
    Assignee: Standard Oil Company (Indiana)
    Inventors: Joshua Zavelovich, K. Virupaksha Reddy
  • Amorphous carbon electrodes and their use in electrochemical cells
    Patent number: 4640744
    Abstract: Amorphous carbon is an electrocatalytically active material which is useful as an electrode component in electrochemical cells.
    Type: Grant
    Filed: January 23, 1984
    Date of Patent: February 3, 1987
    Assignee: Standard Oil Company (Indiana)
    Inventor: Arthur T. Howe
  • Enhanced evaporation from a laser-heated target
    Patent number: 4629859
    Abstract: The rate of evaporation of material from a laser-heated target is enhanced by coating the target with a layer of condensed substantially inert gas.
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: December 16, 1986
    Assignee: Standard Oil Company (Indiana)
    Inventor: K. Virupaksha Reddy
  • Stabilization of sulfur dioxide solutions containing lithium perchlorate and a tetraalkylammonium perchlorate
    Patent number: 4612265
    Abstract: Solutions containing lithium perchlorate and a tetraalkylammonium perchlorate dissolved in liquid sulfur dioxide can be stabilized by the addition of a material selected from the group consisting of iodine, bromine, chlorine, iodide salts, bromide salts and chloride salts.
    Type: Grant
    Filed: September 16, 1985
    Date of Patent: September 16, 1986
    Assignee: Amoco Corporation
    Inventors: John F. Connolly, Robert J. Thrash, Richard A. Kretchmer
  • Pressure release vent
    Patent number: 4610370
    Abstract: A pressure release vent for a container which comprises an indentation in a wall of the container which is interrupted by a scored hollow rib having an apex which connects the opposing sidewalls of the indentation at a distance above the bottom of the indentation which is equal to about 5% to about 75% of the depth of the indentation.
    Type: Grant
    Filed: December 30, 1985
    Date of Patent: September 9, 1986
    Assignee: Amoco Corporation
    Inventors: Gregory A. Patterson, Melvin S. Good
  • Photochemical process for the preparation of disilane
    Patent number: 4604274
    Abstract: Silane is efficiently converted to disilane by irradiation at pressures in excess of about 75 torr using pulsed coherent light having a wavelength in the range from about 10.2 to about 11.2 .mu.m.
    Type: Grant
    Filed: July 18, 1985
    Date of Patent: August 5, 1986
    Assignee: Amoco Corporation
    Inventors: Joshua Zavelovich, David S. Hacker
  • Ohmic copper-cuprous oxide contacts
    Patent number: 4582542
    Abstract: Thin films of cuprous oxide on thin copper foil, when heat treated in an inert atmosphere and quenched, not only exhibit a 10- to 100-fold increase in photovoltaic effects, but also provide ohmic copper-cuprous oxide contacts when selected portions of the oxide film are first subjected to reducing conditions.
    Type: Grant
    Filed: January 11, 1985
    Date of Patent: April 15, 1986
    Assignee: Standard Oil Company (Indiana)
    Inventor: R. Gilbert Kaufman
  • Optimized photovoltaic effect
    Patent number: 4564398
    Abstract: Thin films of cuprous oxide on thin copper foil, when heat treated in an inert atmosphere and quenched, exhibit a 10- to 100-fold increase in photovoltaic effect.
    Type: Grant
    Filed: January 11, 1985
    Date of Patent: January 14, 1986
    Assignee: Standard Oil Company (Indiana)
    Inventor: R. Gilbert Kaufman
  • Hydride compositions
    Patent number: 4555395
    Abstract: Disclosed are organic treating agents for imparting improved flow properties to hydrides and compositions comprising hydrides treated with an effective amount of an organic compound capable of imparting improved flow properties to said hydride. Also disclosed are methods for improving the flow properties of hydrides comprising treating said hydrides with an organic compound capable of imparting improved flow properties. Said organic treating agent can be in liquid or vapor form and comprises at least one component selected from the group consisting of aliphatic hydrocarbons, alcohols, amines, organic acids and organic acid salts.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: November 26, 1985
    Assignee: Standard Oil Company
    Inventors: Bruce E. Sirovich, Robert L. Sandstrom, Theo H. Fleisch
  • Method of making multilayer photoelectrodes and photovoltaic cells
    Patent number: 4534099
    Abstract: A corrosion-resistant, multilayer photoelectrode for use in a photoelectrochemical cell and a process for producing said photoelectrode by preparing an effective layer of an insulator material on a base semiconductor and depositing a layer of conducting material on said layer of insulating material.
    Type: Grant
    Filed: September 18, 1984
    Date of Patent: August 13, 1985
    Assignee: Standard Oil Company (Indiana)
    Inventor: Arthur T. Howe
  • Multilayer photoelectrodes utilizing exotic materials
    Patent number: 4521800
    Abstract: A corrosion-resistant, multilayer photoelectrode for use in a photoelectrochemical cell and a process for producing said photoelectrode by preparing an effective layer of an insulator material on a base semiconductor and depositing a layer of conducting material on said layer of insulating material.
    Type: Grant
    Filed: October 15, 1982
    Date of Patent: June 4, 1985
    Assignee: Standard Oil Company (Indiana)
    Inventor: Arthur T. Howe
  • Polyborate esters and their use in lubricants
    Patent number: 4519926
    Abstract: Polyborate ester compositions are prepared by reacting ortho-boric acid with at least one alcohol or phenol in a substantially inert organic liquid, which is immiscible with water and has a boiling point in the range from about 80.degree. to about 300.degree. C. at standard pressure, and by continuously removing the water which is produced by the reaction.
    Type: Grant
    Filed: February 18, 1983
    Date of Patent: May 28, 1985
    Assignee: Standard Oil Company (Indiana)
    Inventors: Robert J. Basalay, C. Thomas West, Dennis G. Petrille
  • Etched metal electrodes and their use in nonaqueous electrochemical cells
    Patent number: 4520084
    Abstract: Active metal electrodes for use in nonaqueous electrochemical cells are improved by etching with an alcohol.
    Type: Grant
    Filed: June 7, 1984
    Date of Patent: May 28, 1985
    Assignee: Standard Oil Company (Indiana)
    Inventors: Lawrence A. Tinker, Allan C. Harkness
  • Non-aqueous electrochemical cell and electrolyte
    Patent number: 4520083
    Abstract: Disclosed is an ambient temperature, rechargeable non-aqueous electrochemical cell having an active metal anode of the second kind, a cathode depolarizer, positive electrode current collector and an electrolyte comprising a solvent, a supporting electrolyte salt, and an active metal salt. Also disclosed is an electrolyte for non-aqueous active metal cells.
    Type: Grant
    Filed: March 2, 1983
    Date of Patent: May 28, 1985
    Assignee: Standard Oil Company (Indiana)
    Inventors: Keith B. Prater, Robert J. Thrash, John F. Connolly
  • Synthetic fuel composition
    Patent number: 4514190
    Abstract: A lubricant and fuel composition comprising di-n-hexyl 1,3-cyclohexanedicarboxylate.
    Type: Grant
    Filed: January 16, 1984
    Date of Patent: April 30, 1985
    Assignee: Standard Oil Company (Indiana)
    Inventors: Thomas J. Cousineau, John A. Cengel
  • Stabilization of phosphorodithioic acid diesters
    Patent number: 4496495
    Abstract: Diesters of phosphorodithioic acid are stabilized against thermal decomposition by the addition of small amounts of a stabilizer which is selected from the group consisting of ammonia, ammonium carbonate, ammonium salts of carboxylic acids, the oxides, hydroxides and carbonates of lithium, sodium, potassium, rubidium, cesium, berylium, magnesium, calcium, strontium and barium, and mixtures thereof.
    Type: Grant
    Filed: January 12, 1983
    Date of Patent: January 29, 1985
    Assignee: Standard Oil Company (Indiana)
    Inventors: Gunter J. Caspari, Steven E. Lindberg
  • Multilayer photoelectrodes and photovoltaic cells
    Patent number: 4492743
    Abstract: A corrosion-resistant, multilayer photoelectrode for use in a photoelectrochemical cell and a process for producing said photoelectrode by preparing an effective layer of an insulator material containing aliovalent dopant ions on a base semiconductor and depositing a layer of conducting material on said layer of insulating material.
    Type: Grant
    Filed: April 29, 1983
    Date of Patent: January 8, 1985
    Assignee: Standard Oil Company (Indiana)
    Inventor: Arthur T. Howe
  • Controlling solubility of lithium salts in liquid sulfur dioxide
    Patent number: 4482616
    Abstract: The solubility of lithium salts in sulfur dioxide-based solvent systems is enhanced and controlled by the presence of a salt which contains a cation selected from the group consisting of metal cation complexes, quaternary ammonium cations and organic phosphonium cations.
    Type: Grant
    Filed: June 27, 1983
    Date of Patent: November 13, 1984
    Assignee: Standard Oil Company (Indiana)
    Inventors: John F. Connolly, Robert J. Thrash