Patents Represented by Attorney R. C. Gaffney

Find this attorney in the Justia Lawyer Directory

  • Hydrocarbon soluble nitrogen containing dispersant - fluorophosphoric acid adducts
    Patent number: 4648980
    Abstract: Amine-containing dispersants, such as succinimides, Mannich Bases and Viscosity-index improvers are reacted with fluorophosphoric acid. The reaction of the dispersant with the fluorophosphoric acid passivates the dispersant to fluorocarbon compositions used as seals, for example in automobile engines.
    Type: Grant
    Filed: April 25, 1986
    Date of Patent: March 10, 1987
    Assignee: Chevron Research Company
    Inventor: Timothy R. Erdman
  • Lubricating oil compositions containing modified succinimides (V)
    Patent number: 4647390
    Abstract: Disclosed herein are additives which are useful as dispersants and detergents in lubricating oils and fuels. In particular, this invention is directed toward polyamino alkenyl or alkyl succinimides wherein one or more of the amino nitrogens of the succinimide is substituted with ##STR1## wherein R.sub.4 is hydrocarbyl of from 1 to 30 carbon atoms; R.sub.5 is hydrocarbyl of from 2 to 30 carbon atoms or --R.sub.6 --(OR.sub.6).sub.p -- wherein R.sub.6 is alkylene of 2 to 5 carbon atoms and p is an integer from 1 to 100; and m is an integer of from 0 to 1.
    Type: Grant
    Filed: January 16, 1986
    Date of Patent: March 3, 1987
    Assignee: Chevron Research Company
    Inventors: Thomas F. Buckley, III, Robert H. Wollenberg
  • Modified succinimides (II)
    Patent number: 4645515
    Abstract: Disclosed are polyamino alkenyl or alkyl succinimides which have been modified by treatment with a lactone to yield polyamino alkenyl or alkyl succinimides wherein one or more of the basic nitrogens of the polyamino moiety is substituted with a hydroxyalkylene carbonyl group. The additives so disclosed are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils.
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: February 24, 1987
    Assignee: Chevron Research Company
    Inventor: Robert H. Wollenberg
  • Herbicidal 5-amino-3-oxo-4-(3-substituted-phenyl)-4-pyrroline and derivatives thereof
    Patent number: 4643762
    Abstract: 5-Amino-3-oxo-4-(substituted-phenyl)-4-pyrroline and derivatives thereof. The compounds generally exhibit both pre-emergence and post-emergence phytotoxicity and are useful as herbicides and also plant growth regulating agents at low dosages.
    Type: Grant
    Filed: August 27, 1984
    Date of Patent: February 17, 1987
    Assignee: Chevron Research Company
    Inventor: Carl E. Ward
  • Normally liquid C.sub.18 to C.sub.24 monoalkyl catechols
    Patent number: 4643838
    Abstract: This invention relates to normally liquid lubricating oil additives which provide both antioxidant and friction-modifying properties when added to lubricating oil. In particular, this invention relates to C.sub.18 to C.sub.24 alkyl catechol lubricating oil additives which are normally liquid at typical storage temperatures.
    Type: Grant
    Filed: September 18, 1985
    Date of Patent: February 17, 1987
    Assignee: Chevron Research Company
    Inventors: Thomas V. Liston, Warren Lowe, Vernon R. Small
  • Trihydrated potassium triborate and process for reacting two borates in the solid state
    Patent number: 4640827
    Abstract: Disclosed is the compound trihydrated potassium triborate having the following chemical formula: KB.sub.3 O.sub.5.3H.sub.2 O. Also disclosed is a process for the production of trihydrated potassium triborate by reacting potassium pentaborate tetrahydrate with either dipotassium tetraborate tetrahydrate or with dipotassium pentaborate pentahydrate by contacting the two solid reactants under reaction conditions including an amount of water sufficient to cause reaction and insufficient to dissolve the two reactant solids. The new trihydrated potassium triborate may also be prepared by treating dipotassium pentaborate pentahydrate with water under the same reaction conditions.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: February 3, 1987
    Assignee: Chevron Research Company
    Inventor: Christopher G. Salentine
  • Method for producing industrial asphalts
    Patent number: 4639307
    Abstract: Disclosed is a one-step method of producing an industrial asphalt from a bituminous material which comprises mixing together without air-blowing:(a) a feed material comprising a bituminous material having a viscosity of at least 50 centistokes at 350 degrees Fahrenheit and wherein the feed petroleum residuum forms a single phase when mixed with 5 percent ferric chloride; and(b) from about 0.1 to 20.0 percent by weight of ferric chloride, said mixing being done at a temperature in the range of 351 to 600 degrees Fahrenheit, whereby the softening point of the feed is substantially increased and the penetration is significantly decreased.
    Type: Grant
    Filed: August 31, 1984
    Date of Patent: January 27, 1987
    Assignee: Chevron Research Company
    Inventor: Judson E. Goodrich
  • Normally liquid C.sub.14 to C.sub.18 monoalkyl catechols
    Patent number: 4632771
    Abstract: This invention relates to normally liquid lubricating oil additives which provide both anti-oxidant and friction-modifying properties when added to lubricating oil. In particular, this invention relates to C.sub.14 to C.sub.18 alkyl catechol lubricating oil additives which are normally liquid at typical storage temperatures.
    Type: Grant
    Filed: March 14, 1985
    Date of Patent: December 30, 1986
    Assignee: Chevron Research Company
    Inventors: Thomas V. Liston, Warren Lowe, Vernon R. Small
  • Glycidol modified succinimides and fuel compositions containing the same
    Patent number: 4631070
    Abstract: Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are alkenyl or alkyl succinimides which have been modified by treatment with glycidol.
    Type: Grant
    Filed: June 3, 1986
    Date of Patent: December 23, 1986
    Assignee: Chevron Research Company
    Inventor: Frank Plavac
  • Method for improving fuel economy of internal combustion engines
    Patent number: 4629577
    Abstract: Lubricating oils containing borated alkyl catechols and a succinimide have been found to reduce fuel consumption in an internal combustion engine.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: December 16, 1986
    Assignee: Chevron Research Company
    Inventor: Thomas V. Liston
  • Method for improving fuel economy of internal combustion engines using borated 1,2-alkanediols
    Patent number: 4629576
    Abstract: Lubricating oils containing borated long-chain 1,2-alkane diols have been found to reduce fuel consumption in an internal combustion engine.
    Type: Grant
    Filed: October 21, 1985
    Date of Patent: December 16, 1986
    Assignee: Chevron Research Company
    Inventor: Vernon R. Small, Jr.
  • Succinimide complexes of borated alkyl catechols and lubricating oil compositions containing same
    Patent number: 4629578
    Abstract: Lubricating oils containing borated alkyl catechols-succinimide complex are effective in reducing fuel consumption in an internal combustion engine.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: December 16, 1986
    Assignee: Chevron Research Company
    Inventor: Thomas V. Liston
  • Method for producing industrial asphalts without air-blowing using zinc chloride
    Patent number: 4629510
    Abstract: Disclosed is a one-step method of producing an industrial asphalt from a bituminous material which comprises mixing together without air-blowing:(a) a feed material comprising a bituminous material having a viscosity of at least 50 centistokes at 350 degrees Fahrenheit and wherein the feed forms a single phase when mixed with 5 weight percent zinc chloride; and(b) from about 0.1 to 20.0 percent by weight of zinc chloride, said mixing being done at a temperature in the range of 351 to 600 degrees Fahrenheit, whereby the softening point of the feed is substantially increased and the penetration is significantly decreased.
    Type: Grant
    Filed: October 31, 1984
    Date of Patent: December 16, 1986
    Assignee: Chevron Research Company
    Inventor: Judson E. Goodrich
  • Dispersant additives for lubricating oils and fuels
    Patent number: 4624681
    Abstract: Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are additives prepared by first reacting a polyamine with a cyclic carbonate followed by reaction of this intermediate with an alkenyl or alkyl succinic anhydride.
    Type: Grant
    Filed: February 28, 1986
    Date of Patent: November 25, 1986
    Assignee: Chevron Research Company
    Inventor: Robert H. Wollenberg
  • Method for producing industrial asphalts without air-blowing using maleic anhydride
    Patent number: 4623395
    Abstract: Disclosed is a one-step method of producing an industrial asphalt from a bituminous material which comprises mixing together without air-blowing:(a) a feed material comprising a bituminous material having a viscosity of at least 50 centistokes at 350 degrees Fahrenheit and wherein the feed material forms a single phase when mixed with 5 weight percent maleic anhydride; and(b) from about 0.1 to 20.0 percent by weight of maleic anhydride, said mixing being done at a temperature in the range of 351 to 600 degrees Fahrenheit, whereby the softening point of the feed is substantially increased and the penetration is significantly decreased.
    Type: Grant
    Filed: October 31, 1984
    Date of Patent: November 18, 1986
    Assignee: Chevron Research Company
    Inventor: Judson E. Goodrich
  • Hydraulic fluid system with piston and vane pumps
    Patent number: 4622157
    Abstract: In a hydraulic system containing a piston-type and vane-type pump and wherein said piston-type pump contains wear surfaces containing copper or a copper alloy and the vane-type pump contains wear surfaces containing steel, the improvement comprising utilizing a common sump for the hydraulic fluid used in said piston and vane pumps, said hydraulic fluid composition comprising a major amount of an oil of lubricating viscosity and 0.1 to 2.5 weight percent of a zinc dithiophosphate and 0.01 to 5.0 weight percent of a sulfurized ester-olefin containing at least 13 weight percent sulfur.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: November 11, 1986
    Assignee: Chevron Research Company
    Inventor: Robert L. Peeler
  • Air-blowing asphalt using hydrohalic acid catalysts
    Patent number: 4618373
    Abstract: A process for air-blowing asphalt in the presence of hydrohalic acids, particularly hydrobromic acid, and an asphalt composition comprising a major amount of asphalt and a minor but effective amount of hydrohalic acid is disclosed.
    Type: Grant
    Filed: February 28, 1984
    Date of Patent: October 21, 1986
    Assignee: Chevron Research Company
    Inventor: Penny K. Eidem
  • Method for producing industrial asphalts without air-blowing using hydrobromic acid
    Patent number: 4618372
    Abstract: Disclosed is a one-step method of producing an industrial asphalt from a bituminous material which comprises mixing together without air-blowing:(a) a feed material comprising a bituminous material having a viscosity of at least 50 centistokes at 350 degrees Fahrenheit and wherein the feed petroleum residuum forms a single phase when mixed with 5 weight percent hydrobromic acid; and(b) from about 0.1 to 20.0 percent by weight hydrobromic acid, said mixing being done at a temperature in the range of 351 to 600 degrees Fahrenheit, whereby the softening point of the feed is substantially increased and the penetration is significantly decreased.
    Type: Grant
    Filed: October 31, 1984
    Date of Patent: October 21, 1986
    Assignee: Chevron Research Company
    Inventor: Judson E. Goodrich
  • Modified succinimides (II)
    Patent number: 4617138
    Abstract: Disclosed are polyamino alkenyl or alkyl succinimides which have been modified by treatment with a lactone to yield polyamino alkenyl or alkyl succinimides wherein one or more of the basic nitrogens of the polyamino moiety is substituted with a hydrocarbylcarbonylalkylene group. The additives so disclosed are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils.
    Type: Grant
    Filed: April 12, 1985
    Date of Patent: October 14, 1986
    Assignee: Chevron Research Company
    Inventor: Robert H. Wollenberg
  • Glycidol modified succinimides
    Patent number: 4617137
    Abstract: Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are alkenyl or alkyl succinimides which have been modified by treatment with glycidol.
    Type: Grant
    Filed: November 21, 1984
    Date of Patent: October 14, 1986
    Assignee: Chevron Research Company
    Inventor: Frank Plavac