Patents by Inventor Richard E. Cherpeck

Richard E. Cherpeck 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).

  • Publication number: 20110087051
    Abstract: Provided herein are products produced by: a) reacting a C4-C30 fatty acid or fatty acid lower alkyl ester with a mono- or di-hydroxy hydrocarbyl amine to form a hydrocarbyl amide; b) reacting the hydrocarbyl amide with alkylene oxide; and c) extracting the product of b) with water, acidic water, or water-containing inorganic salts or a combination thereof at a temperature from about 5° C. to 95° C. to yield an alkylene oxide-adducted hydrocarbyl amide having less than 2 wt % of amine-by-products.
    Type: Application
    Filed: September 3, 2010
    Publication date: April 14, 2011
    Inventors: Francois Simard, Richard E. Cherpeck
  • Patent number: 7790924
    Abstract: A process is described for preparing alkylene oxide-adducted hydrocarbyl amides having less than 2 wt % of amine by-products by a) reacting a C4-C30 fatty acid or fatty acid lower alkyl ester with a mono- or di-hydroxy hydrocarbyl amine to form a hydrocarbyl amide; b) reacting the hydrocarbyl amide with alkylene oxide; and c) extracting the product of b) with water, acidic water, or water-containing inorganic salts or a combination thereof at a temperature from about 5° C. to 95° C. to yield an alkylene oxide-adducted hydrocarbyl amide having less than 2 wt % of amine by-products.
    Type: Grant
    Filed: November 19, 2004
    Date of Patent: September 7, 2010
    Assignee: Chevron Oronite Company LLC
    Inventors: Francois Simard, Richard E. Cherpeck
  • Patent number: 7744661
    Abstract: A fuel composition comprising a major amount of hydrocarbons boiling in the gasoline or diesel range and an alkylene oxide-adducted hydrocarbyl amide reaction product having from about 3 to 50 moles of alkylene oxide per mole of hydrocarbyl amide, wherein the reaction product is prepared by (a) first reacting a fatty acid or fatty acid lower alkyl ester with ammonia or a mono- or di-hydroxy hydrocarbyl amine and (b) subsequently reacting the resulting intermediate with an alkylene oxide to provide a reaction product comprising the alkylene oxide-adducted hydrocarbyl amide, a mixture of mono- and di-ester products, and amine by-products, wherein the amount of amine by-products in the reaction product is less than 7 wt %, based on the total weight of the alkylene oxide-adducted hydrocarbyl amide reaction product, and the amide:ester ratio in the reaction product is in the range of about 0.1:1 to 1.1:1.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: June 29, 2010
    Assignee: Chevron Oronite Company LLC
    Inventors: Bernard J. Braakman, Richard E. Cherpeck, Brian R. Graskow, Francois Simard
  • Publication number: 20100152073
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 600 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having no more than about 800 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of about 5:1 to about 500:1.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 17, 2010
    Applicants: Chevron Oronite Company LLC, Chevron U.S.A.
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Publication number: 20100152074
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having no more than about 400 ppm of boron; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 17, 2010
    Applicants: Chevron Oronite Company LLC, Chevron U.S.A.
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Publication number: 20100152072
    Abstract: A lubricating oil composition having a sulfur content of up to about 0.4 wt. % and a sulfated ash content of up to about 0.5 wt. % as determined by ASTM D874 is disclosed which comprises (a) a major amount of an oil of lubricating viscosity; (b) at least one oil-soluble or dispersed oil-stable boron-containing compound having greater than 400 ppm of boron, based upon the total mass of the composition; and (c) at least one oil-soluble or dispersed oil-stable molybdenum-containing compound having at least about 1100 ppm of molybdenum, based upon the total mass of the composition; wherein the lubricating oil composition has a ratio of sulfur to molybdenum of less than or equal to about 4:1.
    Type: Application
    Filed: December 17, 2008
    Publication date: June 17, 2010
    Applicants: Chevron Oronite Company LLC, Chevron U.S.A.
    Inventors: Kenneth D. Nelson, Alexander B. Boffa, William M. Kleiser, Stephen D. Stults, James A. McGeehan, Wim Van Dam, Richard E. Cherpeck
  • Publication number: 20100152079
    Abstract: Disclosed is a lubricating oil composition containing an oil of lubricating viscosity and a N,N,N?,N?-tetraalkyl-naphthalene-1,8-diamine and at least one additive selected from antioxidants, dispersants, and detergents which together provide superior oxidation inhibition and are suitable lubricants for automotive and truck crankcase lubricants; as well as transmission lubricants, gear lubricants, hydraulic fluids, compressor oils, diesel and marine lubricants.
    Type: Application
    Filed: December 16, 2008
    Publication date: June 17, 2010
    Inventors: Richard E. Cherpeck, Carrie Y. Chan, Gaurav Bhalla
  • Patent number: 7683017
    Abstract: Disclosed is a lubricating oil composition containing an oil of lubricating viscosity and a particularly effective mixture of a nitro-substituted diphenylamine and a diarylamine which together provide superior oxidation inhibition.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: March 23, 2010
    Assignee: Chevron Oronite Company LLC
    Inventors: Richard E. Cherpeck, Carrie Y. Chan
  • Patent number: 7501386
    Abstract: Disclosed is a lubricating oil composition containing an oil of lubricating viscosity and a particularly effective mixture of a benzo[b]perhydroheterocyclic arylamine and a diarylamine which together provide superior oxidation inhibition.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: March 10, 2009
    Assignee: Chevron Oronite Company, LLC
    Inventors: Richard E. Cherpeck, Carrie Y. Chan
  • Publication number: 20080318815
    Abstract: Disclosed is a lubricating oil composition containing an oil of lubricating viscosity and a particularly effective mixture of a nitro-substituted diphenylamine and a diarylamine which together provide superior oxidation inhibition.
    Type: Application
    Filed: June 20, 2007
    Publication date: December 25, 2008
    Inventors: Richard E. Cherpeck, Carrie Y. Chan
  • Patent number: 7285518
    Abstract: Dibenzo[b]perhydroheterocyclic amine compounds have shown to be particularly useful as stabilizers. The compounds may serve as antioxidants, antiozoants, heat stabilizers and ultraviolet light stabilizers and such compounds are oil soluble, thus particularly suited for use as an antioxidant in a lubricating oil composition.
    Type: Grant
    Filed: December 21, 2005
    Date of Patent: October 23, 2007
    Assignee: Chevron Oronite Company LLC
    Inventors: Richard E. Cherpeck, Carrie Y. Chan
  • Publication number: 20070149414
    Abstract: A polymeric composition is disclosed which contains an ethylene-alpha olefin copolymer backbone having at least 82 mole % ethylene and at most 18 mole % of an about C3 to about C28 alpla-monoolefin, wherein the alpha-monoolefin has a monomer distribution resulting from a RaRb product measured by 13C-NMR below 0.8 and a level of regio-inversions less than 2 per 1000 carbon atoms, and an amide group having the formula (I) and/or an imide group having the formula (II): wherein P is the ethylene-alpha olefin copolymer backbone, R1 is hydrogen or —CO—X?, R2 and R3 are independently hydrogen or —CH3, X and X? are independently —OH, alkoxyl of 1 to about 24 carbon atoms, or a secondary or tertiary amine, provided that at least one of X and X? is a secondary or tertiary amine, and Z is a tertiary amine, wherein Z and X and X?, when X and X? are secondary or tertiary amines, are each independently derived from one or more amine compounds described herein.
    Type: Application
    Filed: October 26, 2006
    Publication date: June 28, 2007
    Inventors: William Ruhe, Kirk A. Nass, Richard E. Cherpeck, Jean-Roch Schauder
  • Patent number: 6660050
    Abstract: A method for controlling the deposits in the fuel vaporizer of a fuel reformer used to prepare a liquid hydrocarbon for use as a fuel in a fuel cell which comprises introducing into the fuel vaporizer a liquid hydrocarbon containing an effective deposit controlling amount of a nitrogen-containing detergent additive and a fuel composition suitable for use in a fuel cell which comprises a liquid hydrocarbon having a boiling range at atmospheric pressure falling between about 77 degrees F. (25 degrees C.) and about 437 degrees F. (225 degrees C.), a total sulfur content of less than 3 ppm, and containing an effective deposit controlling amount of a nitrogen-containing detergent additive.
    Type: Grant
    Filed: May 23, 2002
    Date of Patent: December 9, 2003
    Assignee: Chevron U.S.A. Inc.
    Inventors: Gunther H. Dieckmann, James D. Kramer, Richard E. Cherpeck
  • Publication number: 20030217506
    Abstract: A method for controlling the deposits in the fuel vaporizer of a fuel reformer used to prepare a liquid hydrocarbon for use as a fuel in a fuel cell which comprises introducing into the fuel vaporizer a liquid hydrocarbon containing an effective deposit controlling amount of a nitrogen-containing detergent additive and a fuel composition suitable for use in a fuel cell which comprises a liquid hydrocarbon having a boiling range at atmospheric pressure falling between about 77 degrees F. (25 degrees C.) and about 437 degrees F. (225 degrees C.), a total sulfur content of less than 3 ppm, and containing an effective deposit controlling amount of a nitrogen-containing detergent additive.
    Type: Application
    Filed: May 23, 2002
    Publication date: November 27, 2003
    Inventors: Gunther H. Dieckmann, James D. Kramer, Richard E. Cherpeck
  • Publication number: 20030150154
    Abstract: Polyalkylphenoxyaminoalkanes having the formula: 1
    Type: Application
    Filed: December 21, 2001
    Publication date: August 14, 2003
    Inventor: Richard E. Cherpeck
  • Patent number: 6384280
    Abstract: A process for the preparation of polyalkylphenoxyaminoalkanes which comprises the aminoethylation of a polyalkylphenol compound in the presence of a basic catalyst with 2-oxazolidinone or a derivative thereof having the following formula: wherein R1 and R2 are independently hydrogen or lower alkyl having 1 to about 6 carbon atoms and wherein the polyalkyl group of said polyalkylphenol has an average molecular weight in the range of about 600 to 5,000.
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: May 7, 2002
    Assignee: Chevron Oronite Company LLC
    Inventor: Richard E. Cherpeck
  • Patent number: 6352566
    Abstract: Ethers of polyalkyl or polyalkenyl N-hydroxyalkyl succinimides having the formula: or a fuel soluble salt thereof; wherein R is a polyalkyl or polyalkenyl group having an average molecular weight in the range of about 450 to about 5,000; n is an integer from 2 to 5; and Z is a moiety selected from the group consisting of  wherein R1 is a hydroxy, nitro, cyano or —(CH2)x—NR3R4, wherein R3 and R4 are independently hydrogen or lower alkyl of 1 to 6 carbon atoms and x is 0 or 1; and R2 is hydrogen, hydroxy, nitro, cyano or —(CH2)y—NR5R6, wherein R5 and R6 are independently hydrogen or lower alkyl of 1 to 6 carbon atoms and y is 0 or 1. The compounds of formula I are useful as fuel additives for the prevention and control of engine deposits.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: March 5, 2002
    Assignee: Chevron Chemical Company LLC
    Inventor: Richard E. Cherpeck
  • Patent number: 6258133
    Abstract: A poly(oxyalkylene)pyridyl or piperidyl ether having the formula: wherein A is a nitrogen-containing ring selected from the group consisting of 3-pyridyl, 4-pyridyl, 3-piperidyl and 4-piperidyl; R1 and R2 are independently hydrogen or lower alkyl and each R1 and R2 is independently selected in each —O—CHR1—CHR2— unit; R3 is hydrogen, alkyl having 1 to about 100 carbon atoms, phenyl, aralkyl having about 7 to about 100 carbon atoms or alkaryl having about 7 to about 100 carbon atoms; n is an integer from about 5 to about 100; and x is an integer from 0 to 4. The poly(oxyalkylene)pyridyl and piperidyl ethers of the present invention are useful as fuel additives for the prevention and control of engine deposits.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: July 10, 2001
    Assignee: Chevron Chemical Company LLC
    Inventor: Richard E. Cherpeck
  • Patent number: 6221116
    Abstract: Aminocarbamates of polyalkylphenoxyalkanols having the formula: wherein R is a polyalkyl group having an average molecular weight in the range of about 600 to 5,000; R1 and R2 are independently hydrogen or lower alkyl having 1 to 6 carbon atoms; and A is a polyamine moiety having at least one basic nitrogen atom, wherein the polyamine is connected to the carbonyl group through one of its nitrogen atoms to form a carbamate linkage. The compounds of formula I are useful as fuel additives for the prevention and control of engine deposits.
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: April 24, 2001
    Assignee: Chevron Chemical Company
    Inventor: Richard E. Cherpeck
  • Patent number: 6165236
    Abstract: A poly(oxyalkylene)pyridyl or piperidyl ester having the formula: ##STR1## or a fuel-soluble salt thereof; wherein A is a nitrogen-containing ring selected from the group consisting of 3-pyridyl, 4-pyridyl, 3-piperidyl and 4-piperidyl; R.sub.1 and R.sub.2 are independently hydrogen or lower alkyl having 1 to about 6 carbon atoms and each R.sub.1 and R.sub.2 is independently selected in each --O--CHR.sub.1 --CHR.sub.2 -- unit; R.sub.3 is hydrogen, alkyl having 1 to about 100 carbon atoms, phenyl, aralkyl having about 7 to about 100 carbon atoms or alkaryl having about 7 to about 100 carbon atoms; x is an integer from 0 to 4; and n is an integer from about 5 to about 100.The poly(oxyalkylene)pyridyl and piperidyl esters of the present invention are useful as fuel additives for the prevention and control of engine deposits.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: December 26, 2000
    Assignee: Chevron Chemical Company LLC
    Inventor: Richard E. Cherpeck