Patents by Inventor Carrie Y. Chan

Carrie Y. Chan 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).

  • ARYLOXY ALKYLAMINES AS FUEL ADDITIVES FOR REDUCING INJECTOR FOULING IN DIRECT INJECTION SPARK IGNITION GASOLINE ENGINE
    Publication number: 20240026239
    Abstract: A fuel composition is described. The composition contains gasoline and an aryloxy alkylamine additive. The structure of the aryloxy alkylamine additive is given by where the aryloxy alkylamine additive is present in about 10 to about 750 ppm by weight based on total weight of the fuel composition. X is a hydrocarbyl group having 1 or 2 carbon atoms. R1 and R2 are independently hydrogen or substituted hydrocarbyl group having up to 36 carbon atoms.
    Type: Application
    Filed: September 15, 2021
    Publication date: January 25, 2024
    Applicants: CHEVRON ORONITE COMPANY LLC, CHEVRON U.S.A. INC.
    Inventors: Man Kit NG, Richard Eugene CHERPECK, Carrie Y. CHAN, Kriston George MENDENHALL, Andrew M. ICKES, Peter A. FUENTES-AFFLICK, Justin WANG
  • FUEL ADDITIVES FOR MITIGATING INJECTOR NOZZLE FOULING AND REDUCING PARTICULATE EMISSIONS
    Publication number: 20220145199
    Abstract: The present disclosure provides a fuel composition that includes hydrocarbon-based fuel boiling in the gasoline or diesel range; an amine-based detergent given by formula R1—O—(CH2)m—NHR2, wherein the additive is present in about 10 ppm to about 750 ppm by weight based on total weight of the fuel composition; wherein R1 is a hydrocarbylgroup having 8 to 20 carbons, R2 is hydrogen or (CH2)nNH2 moiety, and wherein m, n are independently integers having a value of 3 or greater; and one or more nitrogen-containing detergent.
    Type: Application
    Filed: July 7, 2021
    Publication date: May 12, 2022
    Applicants: CHEVRON ORONITE COMPANY LLC, CHEVRON U.S.A. INC
    Inventors: Chung-Hao KUO, William Raymond RUHE, JR., Man Kit NG, Peter A. FUENTES-AFFLICK, Andrew M. ICKES, Carrie Y. CHAN, Theresa Liang GUNAWAN
  • Lubricating oil compositions containing a tetraalkyl-napthalene-1,8 diamine antioxidant
    Patent number: 8623798
    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: Grant
    Filed: December 16, 2008
    Date of Patent: January 7, 2014
    Assignee: Chevron Oronite Company LLC
    Inventors: Richard E. Cherpeck, Carrie Y. Chan, Gaurav Bhalla
  • Benzo[b]perhydroheterocyclic arylamines and lubricating oil compositions
    Patent number: 8003583
    Abstract: Benzo[b]perhydroheterocyclic arylamine 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: August 23, 2011
    Assignee: Chevron Oronite Company LLC
    Inventors: Richard E. Cherpeck, Carrie Y. Chan
  • LUBRICATING OIL COMPOSITIONS CONTAINING A TETRAALKYL-NAPTHALENE-1,8 DIAMINE ANTIOXIDANT
    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
  • Synergistic lubricating oil composition containing a mixture of a nitro-substituted diarylamine and a diarylamine
    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
  • Synergistic lubricating oil composition containing a mixture of a benzo[b]perhydroheterocyclic arylamine and a diarylamine
    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
  • SYNERGISTIC LUBRICATING OIL COMPOSITION CONTAINING A MIXTURE OF A NITRO-SUBSTITUTED DIARYLAMINE AND A DAIRYLAMINE
    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
  • Dibenzo[b]perhydroheterocyclic amines and lubricating oil compositions
    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