Patents Represented by Attorney R. C. Gaffney

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  • Open-graded asphalt emulsion mixes
    Patent number: 4985079
    Abstract: Disclosed is a medium set cationic bituminous emulsion comprising, relative to the emulsion:a. about 40 to 75% by weight asphalt;b. 0.25 to 5% by weight of a cationic emulsifier;c. 0.1 to 0.5% by weight of a nonionic water-soluble thickening agent;d. 0 to 8% of a low-boiling hydrocarbon; ande. water as a continuous phase of said emulsion to make up 100% by weight;wherein said medium set emulsion when combined with open-graded aggregate produces a mix which has a thick coating of emulsion on said aggregate surface and said mix is workable and results in minimum runoff.
    Type: Grant
    Filed: April 5, 1989
    Date of Patent: January 15, 1991
    Assignee: Chevron Research Company
    Inventors: Peter E. Graf, Steven J. Agazzi, Eugene J. Vanderzanden
  • Fungicidal imidazole diphenylaliphaticboranes and derivatives thereof
    Patent number: 4983589
    Abstract: Organoborane Imidazole compounds having the formula: ##STR1## wherein R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, and X are defined in the description, and intermediates therefor are disclosed.The compounds of formula I are especially useful as agricultural fungicides.
    Type: Grant
    Filed: December 14, 1989
    Date of Patent: January 8, 1991
    Assignee: Chevron Research and Technology Company
    Inventors: Tsze H. Tsang, Vincent J. Spadafora, Patricia Pomidor
  • Fungicidal triazole bis(triphenylboranes), derivatives thereof and use thereof
    Patent number: 4983590
    Abstract: Organoborane triazoles compounds having the formula: ##STR1## wherein R, R.sup.1 and R.sup.2 are defined in the description, and intermediates therefor are disclosed.The compounds of formula I are especially useful as agricultural fungicides.
    Type: Grant
    Filed: March 12, 1990
    Date of Patent: January 8, 1991
    Assignee: Chevron Research and Technology Company
    Inventors: Tsze H. Tsang, Jon L. Strutzel
  • Herbicidal 2-(substituted-phenyl)-3-amino-2-cyclopentenone derivatives
    Patent number: 4978386
    Abstract: 2-(3-substituted phenyl)-3-amino-2-cyclopentenone derivatives. The compounds generally exhibit both pre-emergence and post-emergence phytotoxicity and are useful as herbicides and also at low dosages as plant growth regulating agents.
    Type: Grant
    Filed: October 31, 1985
    Date of Patent: December 18, 1990
    Assignee: Chevron Research Company
    Inventor: Carl E. Ward
  • Long chain aliphatic hydrocarbyl amine additives having an oxyalkylene hydroxy connecting group
    Patent number: 4975096
    Abstract: Long chain aliphatic hydrocarbyl amine additives which comprise a long chain aliphatic hydrocarbyl component, an amine component and an oxy-alkylene hydroxy connecting group connecting the aliphatic hydrocarbyl component and amine component are useful as deposit control additives in fuel compositions and as dispersants in lubricating oil compositions.
    Type: Grant
    Filed: September 9, 1988
    Date of Patent: December 4, 1990
    Assignee: Chevron Research Company
    Inventor: Thomas F. Buckley, III
  • Diethylamine complexes of borated alkyl catechols and lubricating oil compositions containing the same
    Patent number: 4975211
    Abstract: Borated alkyl catechols can be stabilized by the addition of diethylamine.Lubricating oils containing a borated alkyl catecholdiethylamine complex are effective in reducing oxidation, wear and deposits in an internal combustion engine.
    Type: Grant
    Filed: July 5, 1989
    Date of Patent: December 4, 1990
    Assignee: Chevron Research Company
    Inventors: Vernon R. Small, Jr., Thomas V. Liston, Anatoli Onopchenko
  • Methods for preparing, Group II metal overbased sulfurized alkylphenols
    Patent number: 4971710
    Abstract: The present invention is directed toward a method for preparing Group II metal overbased sulfurized alkylphenols. In particular, the present invention employs a sulfurization catalyst in the preparation of Group II metal overbased sulfurized alkylphenols. Use of a sulfurization catalyst in this peparation results in a product generally characterized as having lower crude sediment, a high Total Base Number and lower viscosity than a similar product prepared without using a sulfurization catalyst.
    Type: Grant
    Filed: May 16, 1988
    Date of Patent: November 20, 1990
    Assignee: Chevron Research Company
    Inventor: Thomas V. Liston
  • Process for preparing acetonitrile 3-trifluoromethyl benzene
    Patent number: 4966988
    Abstract: A method is provided for forming (3-trifluoromethylphenyl)acetonitrile through the intermediate .alpha.,.alpha.,.alpha.-trifluoro-.alpha.'-chloro-m-xylene. This intermediate is formed by selective chlorination of .alpha.,.alpha.,.alpha.'-trichloro-m-xylene under conditions which maximize yield and minimize the formation of undesired, non-recyclable chlorinated by-products.
    Type: Grant
    Filed: February 17, 1989
    Date of Patent: October 30, 1990
    Assignee: Chevron Research Company
    Inventors: William L. Schinski, Peter Denisevich, Jr.
  • Detergent grade olefins, alkylbenzenes and alkylbenzene sulfonates and processes for preparing
    Patent number: 4959491
    Abstract: A two-step dimerization process for producing semi-linear C.sub.12 olefins using homogeneous dimerization catalysts and new C.sub.12 olefins mixtures. The C.sub.12 product is especially useful for the production of biodegradable sulfonated alkylaryl detergents and intermediates therefor.
    Type: Grant
    Filed: March 11, 1987
    Date of Patent: September 25, 1990
    Assignee: Chevron Research Company
    Inventor: Richard S. Threlkel
  • Lubricating oil compositions containing very long chain alkylphenyl poly (oxyalkylene) aminocarbamates
    Patent number: 4933485
    Abstract: Disclosed are alkylphenyl poly(oxyalkylene) aminocarbamates having at least one basic nitrogen and an average molecular weight of about 800 to 6,000 and wherein the alkyl group contains at least 40 carbon atoms. Also disclosed are lubricating oil compositions and concentrates containing said alkylphenyl poly(oxyalkylene) aminocarbamates.
    Type: Grant
    Filed: October 23, 1987
    Date of Patent: June 12, 1990
    Assignee: Chevron Research Company
    Inventor: Thomas F. Buckley, III
  • Lubricating oil compositions containing a combination of a modified succinimide and a Group II metal overbased sulfurized alkylphenol
    Patent number: 4927551
    Abstract: Lubricating oil compositions containing a combination of a polyamino alkenyl or alkyl succinimide modified to contain carbamate functionalities and a Group II metal overbased sulfurized alkylphenol unexpectedly possess little, if any, adverse compatability effects on deposits in diesel engines as compared to lubricating oil compositions containing a combination of an unmodified polyamino alkenyl or alkyl succinimides and a Group II metal overbased sulfurized alkylphenol.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: May 22, 1990
    Assignee: Chevron Research Company
    Inventors: Timothy R. Erdman, Michael A. Shippey, Robert H. Wollenberg
  • Lubricating oil containing hydroperoxidized ethylene copolymers and terpolymers as dispersants and V.I. improvers
    Patent number: 4925579
    Abstract: Lubricating oil compositions containing multifunctional additives, e.g. sludge dispersants and V.I. improvers, and the use of the composition to lubricate the crankcase of an internal combustion engine are disclosed. The additives are prepared by hydroperoxidizing ethylene copolymers and terpolymers.
    Type: Grant
    Filed: October 21, 1982
    Date of Patent: May 15, 1990
    Assignee: Chevron Research Company
    Inventor: Jeffrey E. Stemke
  • Nonionic emulsifier and substituted succinic anhydride compositons therewith
    Patent number: 4915786
    Abstract: An emulsifier comprising the reaction product of a substituted succinic anhydride and a nonionic water-soluble compound having 1 to 3 reactive polar groups. There is also disclosed a stable substituted succinic anhydride/nonionic emulsifier composition, a method for imparting water repellency to surfaces containing groups reactive to anhydrides, and a method for the sizing of paper using said composition.
    Type: Grant
    Filed: September 22, 1986
    Date of Patent: April 10, 1990
    Assignee: Chevron Research Company
    Inventor: W. Alan Sweeney
  • Deicing compositions comprising calcium magnesium acetate double salt and processes for their production
    Patent number: 4913831
    Abstract: Compositions which comprise a calcium magnesium acetate double salt are useful in deicing compositions. Deicing compositions comprising those compositions and processes for their preparation are described.
    Type: Grant
    Filed: January 14, 1988
    Date of Patent: April 3, 1990
    Assignee: Chevron Research Company
    Inventors: Harold E. Todd, Jr., Daniel L. Walters
  • Modified succinimides
    Patent number: 4904278
    Abstract: Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are polyamino alkenyl or alkyl succinimides which contain carbamate functionalities.
    Type: Grant
    Filed: May 16, 1986
    Date of Patent: February 27, 1990
    Assignee: Chevron Research Company
    Inventors: Robert H. Wollenberg, Frank Plavac
  • Polyalkylenepolyamines as corrosion inhibitors
    Patent number: 4900458
    Abstract: A corrosion inhibiting polyalkylenepolyamine composition comprising a mixture of(a) at least one C-alkyl-ethylene diamine, and(b) at least one di-(C-alkyl)-diethylenetriamine or at least one di-(C-alkyl)-piperazine or a mixture thereof;wherein each C-alkyl group on the ethylene diamine, diethylenetriamine and piperazine independently contains from 10 to 28 carbon atoms. Methods for preparing this composition are also disclosed, as well as methods for its use in inhibiting corrosion of corrodible metals.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: February 13, 1990
    Assignee: Chevron Research Company
    Inventors: Albert H. Schroeder, Ta Y. Ching, Shigeto Suzuki, Kiyoshi Katsumoto
  • Substituted heteroaralkyl, heteroaralkenyl or halomethyl fungicides
    Patent number: 4892952
    Abstract: Compounds of the formula: ##STR1## wherein R is phenyl or phenyl substituted with 1 to 4 of the same or different substituents selected from fluoro, chloro, bromo, iodo, lower alkyl and trihalomethyl;R.sup.1 is lower alkyl;Y is lower alkenyl substituted with a 5- or 6-member heterocyclic ring containing 1 to 3 nitrogen atoms and the remainder of the ring atoms carbon atoms, or --CH.sub.2 W wherein W is fluoro, chloro, bromo, iodo, or a 5- to 6-member heterocyclic ring containing 1 to 3 nitrogen atoms and the remainder of the ring atoms carbon atoms; andX and Z are independently sulfur or oxygen; are effective fungicides.
    Type: Grant
    Filed: November 19, 1982
    Date of Patent: January 9, 1990
    Assignee: Chevron Research Company
    Inventor: David M. Spatz
  • Hydroperoxidized ethylene copolymers and terpolymers as dispersants and V. I. improvers
    Patent number: 4891146
    Abstract: Lubricating oil compositions containing multifunctional additives, e.g. sludge dispersants and V.I. improvers, and the use of the composition to lubricate the crankcase of an internal combustion engine are disclosed. The additives are prepared by hydroperoxidizing ethylene copolymers and terpolymers.
    Type: Grant
    Filed: January 26, 1988
    Date of Patent: January 2, 1990
    Assignee: Chevron Research Company
    Inventor: Jeffrey E. Stemke
  • Herbicidal arylmethylenesulfonamido-acetamide and thioacetamide derivatives
    Patent number: 4885027
    Abstract: Arylmethylenesulfonamidoacetamide and thioacetamide derivatives and arylmethylenesulfonamidoester intermediates therefor. The compounds are useful as selective herbicides especially with respect to the prevention and elimination of barnyardgrass in grass crops, especially in rice crops.
    Type: Grant
    Filed: November 14, 1986
    Date of Patent: December 5, 1989
    Assignee: Chevron Research Company
    Inventor: Patricia B. Pomidor
  • Fuel compositions containing very long chain alkylphenyl poly(oxyalkylene) aminocarbonates
    Patent number: 4881945
    Abstract: Disclosed is a fuel composition comprising a hydrocarbon boiling in the gasoline or diesel range and from about 30 to about 5,000 parts per million of a fuel soluble alkylphenyl poly(oxyalkylene) aminocarbamate having at least one basic nitrogen and an average molecular weight of about 800 to 6,000 and wherein the alkyl group contains at least 40 carbon atoms. The instant invention is based on the discovery that use of the unique hydrocarbyl gorup, i.e., an alkylphenyl group wherein the alkyl group contains at least 40 carbon atoms provides for improved lubricating oil compatibility.
    Type: Grant
    Filed: October 23, 1987
    Date of Patent: November 21, 1989
    Assignee: Chevron Research Company
    Inventor: Thomas F. Buckley, III