Patents by Inventor William Raymond Ruhe, JR.

William Raymond Ruhe, JR. has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10815446
    Abstract: Disclosed is a dispersant composition, suitable for use in lubricating oils. The dispersant composition is a reaction product of (i) a polyalkenyl succinimide post-treated with a post-treating agent selected from the group consisting of an organic carbonate, an epoxide, a lactone, a hydroxyaliphatic carboxylic acid, and combinations thereof; and (ii) an acylating agent.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: October 27, 2020
    Assignee: CHEVRON ORONITE COMPANY LLC
    Inventors: William Raymond Ruhe, Jr., Georgeta Masson, Abran Costales, Kirk Nass, John Robert Miller, Young A. Chang
  • Publication number: 20180334635
    Abstract: Disclosed is a dispersant composition, suitable for use in lubricating oils. The dispersant composition is a reaction product of (i) a polyalkenyl succinimide post-treated with a post-treating agent selected from the group consisting of an organic carbonate, an epoxide, a lactone, a hydroxyaliphatic carboxylic acid, and combinations thereof; and (ii) an acylating agent.
    Type: Application
    Filed: May 18, 2018
    Publication date: November 22, 2018
    Inventors: William Raymond Ruhe, JR., Georgeta Masson, Abran Costales, Kirk Nass, John Robert Miller, Young A. Chang
  • Patent number: 9994786
    Abstract: Disclosed is an oil soluble polyester composition, suitable for use as a dispersant in lubricating oils. The oil soluble polyester composition is prepared by reacting (a) a hydrocarbyl-substituted succinic acylating agent and (b) a di-hydroxyalkyl-substituted tertiary amine compound selected from a N,N-di-hydroxyalkyl-substituted tertiary monoamine and a N,N?-di-hydroxyalkyl-substituted tertiary diamine.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: June 12, 2018
    Assignee: Chevron Oronite Company LLC
    Inventor: William Raymond Ruhe, Jr.
  • Patent number: 9957461
    Abstract: A polyester composition, suitable for use as a dispersant in lubricating oils, is disclosed. The polyester composition is prepared by reacting (a) an acylating agent selected from an aliphatic-substituted succinic acylating agent, an aromatic polycarboxylic acylating agent, and combinations thereof; and (b) a hydroxyalkyl-substituted tertiary amine compound of the following structure: wherein R? is a C1-24 aliphatic group; R in each of the x (RO), y (RO) and z (RO) groups is independently C2-4 alkylene; x+y is in a range of 2 to 7; and z is in a range of 1 to 5.
    Type: Grant
    Filed: July 11, 2017
    Date of Patent: May 1, 2018
    Assignee: Chevron U.S.A. Inc.
    Inventor: William Raymond Ruhe, Jr.
  • Publication number: 20180016513
    Abstract: A polyester composition, suitable for use as a dispersant in lubricating oils, is disclosed. The polyester composition is prepared by reacting (a) an acylating agent selected from an aliphatic-substituted succinic acylating agent, an aromatic polycarboxylic acylating agent, and combinations thereof; and (b) a hydroxyalkyl-substituted tertiary amine compound of the following structure: wherein R? is a C1-24 aliphatic group; R in each of the x (RO), y (RO) and z (RO) groups is independently C2-4 alkylene; x+y is in a range of 2 to 7; and z is in a range of 1 to 5.
    Type: Application
    Filed: July 11, 2017
    Publication date: January 18, 2018
    Inventor: William Raymond Ruhe, JR.
  • Publication number: 20180016514
    Abstract: Disclosed is an oil soluble polyester composition, suitable for use as a dispersant in lubricating oils. The oil soluble polyester composition is prepared by reacting (a) a hydrocarbyl-substituted succinic acylating agent and (b) a di-hydroxyalkyl-substituted tertiary amine compound selected from a N,N-di-hydroxyalkyl-substituted tertiary monoamine and a N,N?-di-hydroxyalkyl-substituted tertiary diamine.
    Type: Application
    Filed: July 14, 2016
    Publication date: January 18, 2018
    Inventor: William Raymond Ruhe, JR.
  • Patent number: 9487731
    Abstract: A method for is disclosed for improving diesel engine wear by lubricating the engine with a composition comprising an oil of lubricating viscosity and based upon the total composition of the lubricating oil composition from about 0.1 to about 2.0 weight % actives of a reaction product of an ethylene-alpha olefin copolymer acylated with maleic anhydride having a number average molecular weight from 5,000 to 120,000 and a hydrocarbyl-substituted poly(oxyalkylene) monoamine represented by the formula: R1—(OCH2CH2)f—(OCH2CHR4)g—NHR5 wherein R1 a hydrocarbyl group having from about 1 to about 35 carbon atoms; R4 is independently hydrogen or methyl for each repeat unit g; R5 is hydrogen or alkyl from 1 to 10 carbon atoms; and f and g are integers such that f+g is from 2 to 45 and wherein R4 is selected to have a plurality of ethylene oxide in the polyoxyalkylene moiety.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: November 8, 2016
    Assignee: Chevron Oronite Company LLC
    Inventor: William Raymond Ruhe, Jr.
  • Patent number: 9487730
    Abstract: A reaction product, useful as a viscosity index improver in a lubricating oil, reacting: a) an oil soluble ethylene-alpha olefin copolymer comprising from 10 to less than 80 weight % ethylene and greater than 20 up to 90 weight % of at least one C3 to C28 alpha olefin, having a number average molecular weight from 5,000 to 120,000 and grafted with 0.5 to 5 weight % of an ethylenically unsaturated acylating agent, with b) a hydrocarbyl substituted poly(oxyalkylene) monoamine of the formula: R1—(O—CHR2—CHR3)x-A wherein: R1 is a hydrocarbyl group having from 1 to 35 carbon atoms; R2 and R3 are each independently hydrogen, methyl, or ethyl and each R2 and R3 are independently selected in each —O—CHR2—CHR3— unit; A is amino, —CH2amino or N-alkyl amino having 1 to 10 carbon atoms; and x is an integer from 2 to 45.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: November 8, 2016
    Assignee: Chevron Oronite Company LLC
    Inventor: William Raymond Ruhe, Jr.
  • Publication number: 20160145530
    Abstract: A method for is disclosed for improving diesel engine wear by lubricating the engine with a composition comprising an oil of lubricating viscosity and based upon the total composition of the lubricating oil composition from about 0.1 to about 2.0 weight % actives of a reaction product of an ethylene-alpha olefin copolymer acylated with maleic anhydride having a number average molecular weight from 5,000 to 120,000 and a hydrocarbyl-substituted poly(oxyalkylene) monoamine represented by the formula: R1—(OCH2CH2)f—(OCH2CHR4)g—NHR5 wherein R1 a hydrocarbyl group having from about 1 to about 35 carbon atoms; R4 is independently hydrogen or methyl for each repeat unit g; R5 is hydrogen or alkyl from 1 to 10 carbon atoms; and f and g are integers such that f+g is from 2 to 45 and wherein R4 is selected to have a plurality of ethylene oxide in the polyoxyalkylene moiety.
    Type: Application
    Filed: November 3, 2015
    Publication date: May 26, 2016
    Inventor: William Raymond Ruhe, JR.
  • Patent number: 9347015
    Abstract: A reaction product, useful as a viscosity index improver in a lubricating oil, reacting: a) an oil soluble ethylene-alpha olefin copolymer comprising from 10 to less than 80 weight % ethylene and greater than 20 up to 90 weight % of at least one C3 to C28 alpha olefin, having a number average molecular weight from 5,000 to 120,000 and grafted with 0.5 to 5 weight % of an ethylenically unsaturated acylating agent, with b) a hydrocarbyl substituted poly(oxyalkylene) monoamine of the formula: R1—(O—CHR2—CHR3)x-A wherein: R1 is a hydrocarbyl group having from 1 to 35 carbon atoms; R2 and R3 are each independently hydrogen, methyl, or ethyl and each R2 and R3 are independently selected in each —O—CHR2—CHR3— unit; A is amino, —CH2amino or N-alkyl amino having 1 to 10 carbon atoms; and x is an integer from 2 to 45.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: May 24, 2016
    Assignee: Chevron Oronite Company LLC
    Inventors: William Raymond Ruhe, Jr., Pritesh A. Patel
  • Publication number: 20160053198
    Abstract: A reaction product, useful as a viscosity index improver in a lubricating oil, reacting: a) an oil soluble ethylene-alpha olefin copolymer comprising from 10 to less than 80 weight % ethylene and greater than 20 up to 90 weight % of at least one C3 to C28 alpha olefin, having a number average molecular weight from 5,000 to 120,000 and grafted with 0.5 to 5 weight % of an ethylenically unsaturated acylating agent, with b) a hydrocarbyl substituted poly(oxyalkylene) monoamine of the formula: R1—(O—CHR2—CHR3)x-A wherein: R1 is a hydrocarbyl group having from 1 to 35 carbon atoms; R2 and R3 are each independently hydrogen, methyl, or ethyl and each R2 and R3 are independently selected in each —O—CHR2—CHR3— unit; A is amino, —CH2amino or N-alkyl amino having 1 to 10 carbon atoms; and x is an integer from 2 to 45.
    Type: Application
    Filed: November 3, 2015
    Publication date: February 25, 2016
    Inventor: William Raymond Ruhe, JR.
  • Publication number: 20140179573
    Abstract: The invention is directed to an embodiment of the present invention is directed to an oil soluble additive composition prepared by a process comprising: reacting, (a) a molybdenum component; (b) an imide derived from the reaction product of a hydrocarbyl dicarboxylic acid component and a polyamine wherein said reaction product is prepared by first charging a polyamine to a reaction vessel and then charging a hydrocarbyl dicarboxylic acid component to the reaction vessel, wherein the charge mole ratio of the hydrocarbyl dicarboxylic acid component to the polyamine is from about 1:1 to about 1:0.5; and (c) a post-treating agent, thereby producing a post-treated moblydated succinimide additive composition.
    Type: Application
    Filed: December 11, 2013
    Publication date: June 26, 2014
    Inventors: Man Hon Tsang, Gaurav Bhalla, Kenneth Dale Nelson, William Raymond Ruhe, JR.
  • Publication number: 20130172220
    Abstract: A reaction product, useful as a viscosity index improver in a lubricating oil, reacting: a) an oil soluble ethylene-alpha olefin copolymer comprising from 10 to less than 80 weight % ethylene and greater than 20 up to 90 weight % of at least one C3 to C28 alpha olefin, having a number average molecular weight from 5,000 to 120,000 and grafted with 0.5 to 5 weight % of an ethylenically unsaturated acylating agent, with b) a hydrocarbyl substituted poly(oxyalkylene) monoamine of the formula: R1—(O—CHR2—CHR3)x-A wherein: R1 is a hydrocarbyl group having from 1 to 35 carbon atoms; R2 and R3 are each independently hydrogen, methyl, or ethyl and each R2 and R3 are independently selected in each —O—CHR2—CHR3— unit; A is amino, —CH2amino or N-alkyl amino having 1 to 10 carbon atoms; and x is an integer from 2 to 45.
    Type: Application
    Filed: December 19, 2012
    Publication date: July 4, 2013
    Applicant: Chevron Oronite Company LLC
    Inventor: William Raymond Ruhe, JR.