Patents Represented by Attorney S. L. Biggs
  • 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
  • Patent number: 4803002
    Abstract: Disclosed are additives which are useful as dispersants in marine crankcase oils and hydraulic oils, lubricating oils. In particular, disclosed are nitrogen-containing lubricating oil dispersants having at least one primary or secondary amino group which have been modified by treatment with a cyclic carbonate.
    Type: Grant
    Filed: April 21, 1988
    Date of Patent: February 7, 1989
    Assignee: Chevron Research Company
    Inventor: Robert H. Wollenberg
  • Patent number: 4802893
    Abstract: Disclosed are additives which are useful as dispersants in lubricating oils, gasolines, marine crankcase oils and hydraulic oils. In particular, disclosed are multiply adducted alkenyl or alkyl succinimides which contain carbamate functionalities.
    Type: Grant
    Filed: April 20, 1988
    Date of Patent: February 7, 1989
    Assignee: Chevron Research Company
    Inventors: Robert H. Wollenberg, Frank Plavac
  • Patent number: 4798612
    Abstract: Disclosed are additives which are useful as dispersants in marine crankcase oils, hydraulic oils, and lubricating oils. In particular, disclosed are polyamino alkenyl or alkyl succinimides wherein one or more of the nitrogen of the polyamino moiety is substituted with: ##STR1## wherein R.sub.4 is alkylene of from 1 to 6 carbon atoms; m is an integer of from 0 to 2; R.sub.5 is alkylene of from 2 to 5 carbon atoms; p is an integer of from 1 to 100; R.sub.6 is selected from the group consisting of hydrogen and hydrocarbyl of from 1 to 30 carbon atoms; and with the proviso that if m is one or two then R.sub.6 is hydrogen.
    Type: Grant
    Filed: July 14, 1987
    Date of Patent: January 17, 1989
    Assignee: Chevron Research Company
    Inventors: Frank Plavac, Robert H. Wollenberg
  • Patent number: 4785019
    Abstract: N-cyanoalkyl-N-haloalkylthio alkyl-, aryl- and aralkyl-carboxamides of the general formula: ##STR1## wherein R is alkyl of 1 to 10 carbon atoms, cycloalkyl of 3 to 10 carbon atoms, lower alkenyl of 2 to 6 carbon atoms or lower alkynyl of 2 to 6 carbon atoms, all optionally substituted with 1 to 4 halogen atoms; lower alkoxyalkylene; aryl of 6 to 12 carbon atoms; aralkyl of 7 to 16 carbon atoms; or substituted aryl or substituted aralkyl both substituted with 1 to 3 substituents independently selected from phenyl, lower alkyl of 1 to 6 carbon atoms, lower alkoxy of 1 to 6 carbon atoms, lower alkylthio of 1 to 6 carbon atoms, halogen, nitro, cyano, ##STR2## wherein R.sup.4 is hydrogen or lower alkyl of 1 to 6 carbon atoms, ##STR3## wherein R.sup.5 and R.sup.6 are independently hydrogen or lower alkyl of 1 to 6 carbon atoms; R.sup.1 and R.sup.2 are independently hydrogen, or lower alkyl of 1 to 6 carbon atoms; and R.sup.
    Type: Grant
    Filed: February 27, 1986
    Date of Patent: November 15, 1988
    Assignee: Chevron Research Company
    Inventor: Joseph E. Moore
  • Patent number: 4783275
    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: May 26, 1987
    Date of Patent: November 8, 1988
    Assignee: Chevron Research Company
    Inventor: Robert H. Wollenberg
  • Patent number: 4782074
    Abstract: The substituted heteroaryl compounds of this invention are good fungicides. In particular, they possess especially good activity against Bean Powdery Mildew.
    Type: Grant
    Filed: March 30, 1987
    Date of Patent: November 1, 1988
    Assignee: Chevron Research Company
    Inventor: David M. Spatz
  • Patent number: 4753943
    Abstract: 2-Haloalkyl-3-oxo-4-substituted quinazolines represented by the formula ##STR1## wherein R is hydrogen, lower alkyl, lower alkyl substituted with one to three of the same or different halogens, phenyl or phenyl substituted with 1 to 3 of the same or different substituents selected from a group consisting of lower alkyl, lower alkoxy, lower alkylthio, fluoro, chloro, bromo, iodo, nitro, cyano, or lower alkyl substituted with one to three of the same or different halogens, R.sup.1 is hydrogen, lower alkyl, or lower alkyl substituted with one to three of the same or different halogens, Y.sub.1, Y.sub.2, Y.sub.3 and Y.sub.4 are independently selected from a group consisting of hydrogen, lower alkyl, lower alkoxy, lower alkylthio, fluoro, chloro, bromo, iodo, nitro, cyano, or lower alkyl substituted with one to three of the same or different halogens and X is fluoro, chloro, bromo, iodo, cyano, lower alkoxy, thiocyano and ##STR2## where R.sup.3 and R.sup.
    Type: Grant
    Filed: September 29, 1981
    Date of Patent: June 28, 1988
    Assignee: Chevron Research Company
    Inventors: William F. King, Malcolm S. Singer
  • Patent number: 4747963
    Abstract: Disclosed are polyaminoalkenyl or alkyl succinimides which have been modified by treatment with a compound of the formula: ##STR1## wherein W is oxygen or sulfur; X is oxygen or sulfur; R.sub.4 is an alkylene group of from 2 to 3 carbon atoms or an alkylene group of from 2 to 3 carbon atoms substituted with from 1 to 3 alkyl groups of from 1 to 2 carbon atoms each; and R.sub.5 is hydrogen or alkyl of from 1 to 20 carbon atoms. The modified polyamino alkenyl or alkyl succinimides of this invention have been found to possess dispersancy and detergency in lubricating oils. These modified succinimides are also useful as dispersants and detergents in fuels.
    Type: Grant
    Filed: May 5, 1987
    Date of Patent: May 31, 1988
    Assignee: Chevron Research Company
    Inventor: Robert H. Wollenberg
  • Patent number: 4744921
    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 preparation results in a product generally characterized as having lower crude sediment, a higher Total Base Number and lower viscosity than a similar product prepared without using a sulfurization catalyst.
    Type: Grant
    Filed: October 21, 1986
    Date of Patent: May 17, 1988
    Assignee: Chevron Research Company
    Inventor: Thomas V. Liston
  • Patent number: 4732894
    Abstract: Compounds of the formula ##STR1## wherein Het is a 5- or 6-membered aromatic heterocyclic ring containing 1 to 2 ring nitrogen atoms and the remaining ring atoms carbon atoms optionally substituted with 1 to 2 substituents independently selected from halo, nitro, trihalomethyl, lower alkyl of 1 to 3 carbon atoms, or lower alkoxy of 1 to 3 carbon atoms; R is alkyl of 1 to 7 carbon atoms; R.sup.1 is aryl of 6 to 10 carbon atoms, lower alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 8 carbon atoms, all optionally substituted with 1 to 3 halogen atoms; and a is 0 or 1 are fungicidal and insecticidal, with the proviso that a ring nitrogen is not bonded to the hydroxamic acid ##STR2## moiety.
    Type: Grant
    Filed: December 6, 1984
    Date of Patent: March 22, 1988
    Assignee: Chevron Research Company
    Inventor: William F. King
  • Patent number: 4713187
    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: March 2, 1987
    Date of Patent: December 15, 1987
    Assignee: Chevron Research Company
    Inventors: Thomas F. Buckley, III, Robert H. Wollenberg
  • Patent number: 4678804
    Abstract: Compounds of the formula: ##STR1## wherein Ar is aryl of 6 to 10 carbon atoms or substituted aryl of 6 to 10 carbon atoms substituted with 1 to 3 substituents selected from lower alkyl of 1 to 4 carbon atoms, halogen, trihalomethyl, and nitro; R.sup.1 is hydrogen or lower alkyl of 1 to 3 carbon atoms; and R.sup.2 is lower alkyl of 1 to 6 carbon atoms, lower cycloalkyl of 3 to 8 carbon atoms, aralkyl of 7 to 11 carbon atoms or aryl of 6 to 10 carbon atoms. The present invention is also directed to the associated compositions and methods of use comprising those compounds, which are fungicidal and in some cases insecticidal.
    Type: Grant
    Filed: October 2, 1985
    Date of Patent: July 7, 1987
    Assignee: Chevron Research Company
    Inventor: William F. King
  • Patent number: 4672065
    Abstract: The N-substituted phenoxyacetamides of this invention are effective fungicides. In particular, these compounds are particularly effective against Tomato Late Blight.
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: June 9, 1987
    Assignee: Chevron Research Company
    Inventor: David M. Spatz
  • Patent number: 4665093
    Abstract: Compounds of the formula: ##STR1## wherein W is aryl of 6 to 12 carbon atoms, substituted aryl of 6 to 12 carbon atoms substituted with 1 to 3 substituents independently selected from halogen, nitro, lower alkoxy of 1 to 3 carbon atoms, lower alkylthio of 1 to 3 carbon atoms, lower alkyl of 1 to 3 carbon atoms; lower cycloalkyl of 3 to 7 carbon atoms; or substituted lower cycloalkyl of 3 to 7 carbon atoms substituted with 1 to 3 lower alkyl groups; Z is a direct link, lower alkylene of 1 to 6 carbon atoms, or lower alkenylene of 2 to 6 carbon atoms or benzyl; R is phenyl, or lower alkyl of 1 to 6 carbon atoms; and R.sup.1 is phenyl, or lower alkyl of 1 to 6 carbon atoms, lower cycloalkyl of 3 to 8 carbon atoms, either optionally substituted with 1 to 3 independently selected halogen atoms, are useful as pesticides.
    Type: Grant
    Filed: August 29, 1985
    Date of Patent: May 12, 1987
    Assignee: Chevron Research Company
    Inventor: William F. King
  • Patent number: 4661494
    Abstract: The N-substituted-N',N'-disubstituted .alpha.-aminoacetamides of this invention are effective fungicides. In particular, they possess good activity against Bean Powdery Mildew.
    Type: Grant
    Filed: May 30, 1985
    Date of Patent: April 28, 1987
    Assignee: Chevron Research Company
    Inventor: David M. Spatz
  • Patent number: 4654346
    Abstract: The substituted heteroaryl compounds of this invention are good fungicides. In particular, they possess especially good activity against Bean Powdery Mildew.
    Type: Grant
    Filed: January 11, 1985
    Date of Patent: March 31, 1987
    Assignee: Chevron Research Company
    Inventor: David M. Spatz
  • Patent number: 4652556
    Abstract: Compounds of the formula: ##STR1## wherein R is aryl of 6 to 12 carbon atoms or aralkyl of 7 to 14 carbon atoms either optionally substituted with 1 to 3 substituents independently selected from lower alkyl of 1 to 6 carbon atoms, lower alkoxy of 1 to 6 carbon atoms, lower alkylthio of 1 to 6 carbon atoms, lower alkylsulfinyl of 1 to 6 carbon atoms, lower alkylsulfonyl of 1 to 6 carbon atoms, halogen, trihalomethyl, nitro, cyano or carboxyl; alkyl of 1 to 10 carbon atoms, cycloalkyl of 3 to 10 carbon atoms, lower alkenyl of 2 to 6 carbon atoms, or lower alkynyl of 2 to 6 carbon atoms, all optionally substituted with 1 to 3 halogen atoms; lower alkoxyalkylene; lower alkylene carbalkoxy; lower alkylthioalkylene; lower alkylsulfinylalkylene; or lower alkylsulfonylalkylene; R.sup.1 and R.sup.2 are independently hydrogen, lower alkyl of 1 to 6 carbon atoms, aryl of 6 to 12 carbon atoms, or thienyl, or taken together form an alkylene bridge to give a cycloalkyl group of 3 to 10 carbon atoms; and R.sup.
    Type: Grant
    Filed: August 19, 1985
    Date of Patent: March 24, 1987
    Assignee: Chevron Research Company
    Inventors: Joseph E. Moore, Yuh-Lin Yang, Robert K. Griffith, David C. K. Chan
  • Patent number: 4652558
    Abstract: Compounds of the formula: ##STR1## wherein X is independently halogen, lower alkyl of 1 to 6 carbon atoms, lower alkoxy of 1 to 6 carbon atoms, nitro, lower alkylsulfinyl of 1 to 6 carbon atoms, lower alkylthio of 1 to 6 carbon atoms, amino or trifluoromethyl; n is 0, 1, 2 or 3; R is hydrogen, alkyl of 1 to 10 carbon atoms, cycloalkyl of 3 to 8 carbon atoms, lower alkenyl of 2 to 6 carbon atoms, or lower alkynyl of 2 to 6 carbon atoms, all optionally substituted with 1 to 3 of the same or different halogen atoms; or aryl of 6 to 12 carbon atoms; or substituted aryl substituted with 1 to 3 substituents independently selected from lower alkyl of 1 to 4 carbon atoms, lower alkoxy of 1 to 4 carbon atoms, and the group --S(O).sub.k R.sup.2 where k is 0, 1 or 2 and R.sup.2 is lower alkyl of 1 to 4 carbon atoms, nitro, cyano or halogen; and R.sup.1 is lower alkyl of 1 to 6 carbon atoms, lower cycloalkyl of 3 to 8 carbon atoms or aryl of 6 to 12 carbon atoms, provided that R and R.sup.
    Type: Grant
    Filed: February 27, 1986
    Date of Patent: March 24, 1987
    Assignee: Chevron Research Company
    Inventor: Laroy H. Edwards
  • Patent number: 4639460
    Abstract: Compounds of the formula: ##STR1## wherein R is hydrogen, lower alkyl; or aryl or aralkyl having from 6 to 12 carbon atoms, optionally substituted with one to three substituents, each independently selected from halogen, cyano, lower alkyl, lower alkoxy, nitro or trihalomethyl; R.sup.1 is alkyl having from 1 to 12 carbon atoms, cycloalkyl having from 3 to 8 carbon atoms; aryl or aralkyl having from 6 to 12 carbon atoms optionally substituted with one to three substituents, each independently selected from halogen, cyano, lower alkyl, lower alkoxy, nitro, trihalo-substituted methyl, phenyl, phenoxy, substituted phenoxy substituted with 1 to 3 substituents independently selected from halogen, lower alkyl, lower alkoxy or trihalomethyl, benzyloxy, lower alkylthio, lower alkylsulfinyl, lower alkylsulfonyl, arylthio (C.sub.6 to C.sub.
    Type: Grant
    Filed: March 27, 1986
    Date of Patent: January 27, 1987
    Assignee: Chevron Research Company
    Inventor: Bernard F. Rose