Patents by Inventor Norman Ross

Norman Ross 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).

  • Use and method to reduce deposits in compression ignition internal combustion engines
    Patent number: 11867117
    Abstract: Use of an additive selected from nitrate compounds, peroxide compounds, nitrite compounds and polyether compounds, and mixtures thereof in a diesel fuel composition for reducing the build-up of deposits in an Exhaust Gas Recirculation (EGR) system of a compression ignition internal combustion engine.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: January 9, 2024
    Assignee: SHELL USA, INC.
    Inventors: Christopher William Clayton, Michael Gee, Rodney Glyn Williams, Emma Wyatt, Alan Norman Ross, Keith Woodall, Jacqueline Glen Reid, Simon Christopher Mulqueen, Stephen Leonard Cook
  • Compositions and methods and uses relating thereto
    Patent number: 11739276
    Abstract: A diesel fuel composition comprising as an additive an ester compound which is the reaction product of an optionally substituted polycarboxylic acid or an anhydride thereof and a polyhydric alcohol of formula H—(OR)n—OH, wherein R is an optionally substituted alkylene group and n is at least 1.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: August 29, 2023
    Assignee: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross
  • Compositions and methods and uses relating thereto
    Patent number: 11732205
    Abstract: A quaternary ammonium compound of formula (I): wherein R0, R1, R2 and R3 is each independently an optionally substituted hydrocarbyl group, X is a linking group, R4 is an optionally substituted alkylene group, R5 is hydrogen or an optionally substituted alkyl, alkenyl or aryl group, and n is 0 or a positive integer, provided that n is not 0 when R5 is hydrogen.
    Type: Grant
    Filed: June 17, 2022
    Date of Patent: August 22, 2023
    Assignee: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross
  • Quaternary ammonium compound and fuel composition
    Patent number: 11566197
    Abstract: A quaternary ammonium compound of formula (I): wherein R0, R1, R2 and R3 is each independently an optionally substituted hydrocarbyl group; X is a linking group; R4 is an optionally substituted alkylene group; n is a positive integer; W is O? or OH; b is 1 when W is OH, and b is 2 when W is O?.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: January 31, 2023
    Assignee: Innospec Limited
    Inventors: Alan Norman Ross, Matthew Petts
  • COMPOSITIONS AND METHODS AND USES RELATING THERETO
    Publication number: 20220403268
    Abstract: A fuel composition comprising as an additive the reaction product of a polycarboxylic acid having no more than 5 carbon atoms per carboxylic acid group, or an anhydride thereof and an alcohol having at least 5 carbon atoms.
    Type: Application
    Filed: November 6, 2020
    Publication date: December 22, 2022
    Applicant: Innospec Limited
    Inventors: Alan Norman Ross, Martin Roberts, Alexander Smith
  • COMPOSITIONS AND METHODS AND USES RELATING THERETO
    Publication number: 20220403269
    Abstract: A fuel composition comprising as an additive the reaction product of a polycarboxylic acid compound of formula (I): (I) or an anhydride thereof; and an alcohol having at least 5 carbon atoms; wherein each of n and m may be 0 or a positive integer.
    Type: Application
    Filed: November 6, 2020
    Publication date: December 22, 2022
    Applicant: Innospec Limited
    Inventors: Alan Norman Ross, Martin Roberts, Alexander Fagan
  • COMPOSITIONS AND METHODS AND USES RELATING THERETO
    Publication number: 20220403270
    Abstract: A quaternary ammonium compound of formula (I): wherein R0, R1, R2 and R3 is each independently an optionally substituted hydrocarbyl group, X is a linking group, R4 is an optionally substituted alkylene group, R5 is hydrogen or an optionally substituted alkyl, alkenyl or aryl group, and n is 0 or a positive integer, provided that n is not 0 when R5 is hydrogen.
    Type: Application
    Filed: June 17, 2022
    Publication date: December 22, 2022
    Applicant: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross
  • Compositions and methods and uses relating thereto
    Patent number: 11396634
    Abstract: A quaternary ammonium compound of formula (I): wherein R0, R1, R2 and R3 is each independently an optionally substituted hydrocarbyl group, X is a linking group, R4 is an optionally substituted alkylene group, R5 is hydrogen or an optionally substituted alkyl, alkenyl or aryl group, and n is 0 or a positive integer, provided that n is not 0 when R5 is hydrogen.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: July 26, 2022
    Assignee: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross
  • USE AND METHOD TO REDUCE DEPOSITS IN COMPRESSION IGNITION INTERNAL COMBUSTION ENGINES
    Publication number: 20220025286
    Abstract: Use of an additive selected from nitrate compounds, peroxide compounds, nitrite compounds and polyether compounds, and mixtures thereof in a diesel fuel composition for reducing the build-up of deposits in an Exhaust Gas Recirculation (EGR) system of a compression ignition internal combustion engine.
    Type: Application
    Filed: December 9, 2019
    Publication date: January 27, 2022
    Inventors: Christopher William CLAYTON, Michael GEE, Rodney Glyn WILLIAMS, Emma WYATT, Alan Norman ROSS, Keith WOODALL, Jacqueline Glen REID, Simon Christopher MULQUEEN, Stephen Leonard COOK
  • Composition and methods and uses relating thereto
    Patent number: 11186792
    Abstract: A quaternary ammonium salt of formula (I): (I) where in X is a linking group; Y is O, NH or NR1 wherein R1 is H or an optionally substituted hydrocarbyl group; Q+ is a moiety that includes a quaternary ammonium cation; A? is an anion; R2 is an optionally substituted alkylene group; R3 is hydrogen or an optionally substituted hydrocarbyl group; and n is 0 or a positive integer; provided that n is not 0 when R3 is hydrogen.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: November 30, 2021
    Assignee: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross
  • Composition, method and use
    Patent number: 11186791
    Abstract: A quaternary ammonium compound of formula (I): (I) wherein R0, R1, R2 and R3 is each independently an optionally substituted hydrocarbyl group, X is a linking group, R4 is an optionally substituted alkylene group, R5 is hydrogen or an optionally substituted alkyl, alkenyl or aryl group, and n is 0 or a positive integer, provided that n is not 0 when R5 is hydrogen.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: November 30, 2021
    Assignee: Innospec Limited
    Inventors: Alan Norman Ross, Martin Roberts
  • Fuel compositions, methods and uses relating to quaternary ammonium salt additives for fuel used in spark ignition engines
    Patent number: 11174442
    Abstract: A gasoline fuel composition comprising as an additive an ester compound which is the reaction product of an optionally substituted polycarboxylic acid or an anhydride thereof and an alcohol or formula H—(OR)n—OR1, wherein R is an optionally substituted alkylene group; R1 is hydrogen or an optionally substituted hydrocarbyl group, and n is 0 or a positive integer; wherein n is not O when R1 is hydrogen.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: November 16, 2021
    Assignee: Innospec Limited
    Inventors: Alan Norman Ross, Martin Roberts
  • Quaternary Ammonium Compound and Fuel Composition
    Publication number: 20210348074
    Abstract: A quaternary ammonium compound of formula (I): wherein R0, R1, R2 and R3 is each independently an optionally substituted hydrocarbyl group; X is a linking group; R4 is an optionally substituted alkylene group; n is a positive integer; W is O? or OH; b is 1 when W is OH, and b is 2 when W is O?.
    Type: Application
    Filed: September 12, 2019
    Publication date: November 11, 2021
    Applicant: Innospec Limited
    Inventors: Alan Norman Ross, Matthew Petts
  • Methods and uses for improving the performance of diesel engines using fuel additives
    Patent number: 11091713
    Abstract: A diesel fuel composition comprising as an additive an ester compound which is the reaction product of an optionally substituted polycarboxylic acid or an anhydride thereof and an alcohol or formula ROH, wherein R is an optionally substituted hydrocarbyl group.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: August 17, 2021
    Assignee: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross
  • Method and use
    Patent number: 11085000
    Abstract: A diesel fuel composition comprising as an additive an ester compound which is the reaction product of a polyhydric alcohol of formula H—(OR)n—OH and at least 1.5 molar equivalents of an optionally substituted polycarboxylic acid or an anhydride thereof, wherein R is an optionally substituted alkylene group and n is at least 1.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: August 10, 2021
    Assignee: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross
  • Method and use
    Patent number: 11084999
    Abstract: A diesel fuel composition comprising as an additive an ester compound which is the reaction product of an optionally substituted polycarboxylic acid or an anhydride thereof and a compound or formula H—(OR)n—OR1, wherein R is an optionally substituted alkylene group, R1 is an optionally substituted hydrocarbyl group and n is at least 1.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: August 10, 2021
    Assignee: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross
  • System and method for seismic imaging
    Patent number: 11047999
    Abstract: A method is described for seismic imaging that will produce a seismic image with correctly focused and positioned reflectors. This is accomplished by adding physical geological information to a beam tomography process to generate an updated earth model for the seismic imaging. The method may be executed by a computer system.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: June 29, 2021
    Assignee: Chevron U.S.A. Inc.
    Inventors: Huafeng Liu, Norman Ross Hill, Daniel Johnson, Konstantin Osypov
  • Composition, method and use
    Patent number: 11015137
    Abstract: A quaternary ammonium salt of formula (I): wherein X is a linking group; Y is O, NH or NR1 wherein R1 is H or an optionally substituted hydrocarbyl group; Q+ is a moiety that includes a quaternary ammonium cation; A? is an anion; R2 is an optionally substituted alkylene group; R3 is hydrogen or an optionally substituted hydrocarbyl group; and n is 0 or a positive integer; provided that n is not 0 when R3 is hydrogen.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: May 25, 2021
    Assignee: Innospec Limited
    Inventors: Alan Norman Ross, Martin Roberts
  • METHOD AND USE
    Publication number: 20200377811
    Abstract: A diesel fuel composition comprising as an additive an ester compound which is the reaction product of an optionally substituted polycarboxylic acid or an anhydride thereof and a polyhydric alcohol of formula H—(OR)n—OH, wherein R is an optionally substituted alkylene group and n is at least 1.
    Type: Application
    Filed: March 28, 2018
    Publication date: December 3, 2020
    Applicant: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquas, Alan Norman Ross
  • METHOD AND USE TO PREVENT DEPOSITS IN ENGINE
    Publication number: 20200377810
    Abstract: A gasoline fuel composition comprising as an additive an ester compound which is the reaction product of an optionally substituted polycarboxylic acid or an anhydride thereof and an alcohol or formula H—(OR)n—OR1, wherein R is an optionally substituted alkylene group; R1 is hydrogen or an optionally substituted hydrocarbyl group, and n is 0 or a positive integer; wherein n is not O when R1 is hydrogen.
    Type: Application
    Filed: March 28, 2018
    Publication date: December 3, 2020
    Applicant: Innospec Limited
    Inventors: Alan Norman Ross, Martin Roberts