Patents by Inventor Matthew Petts

Matthew Petts 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).

  • 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
  • METHOD AND USE
    Publication number: 20230257669
    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: April 26, 2023
    Publication date: August 17, 2023
    Applicant: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan 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: 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
  • 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
  • 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
  • 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
  • COMPOSITIONS AND METHODS AND USES RELATING THERETO
    Publication number: 20200277534
    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: March 28, 2018
    Publication date: September 3, 2020
    Applicant: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross
  • METHOD AND USE
    Publication number: 20200123461
    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: Application
    Filed: March 28, 2018
    Publication date: April 23, 2020
    Applicant: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross
  • METHOD AND USE
    Publication number: 20200095513
    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: Application
    Filed: March 28, 2018
    Publication date: March 26, 2020
    Applicant: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross
  • METHOD AND USE
    Publication number: 20200024532
    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: Application
    Filed: March 28, 2018
    Publication date: January 23, 2020
    Applicant: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross
  • COMPOSITION AND METHODS AND USES RELATING THERETO
    Publication number: 20200024533
    Abstract: A quaternary ammonium salt of formula (I): (I) where in X is a linking group; Y is O, NH or NR1 wherein R1is H or an optionally substituted hydrocarbyl group; Q? is a moiety that includes a quaternary ammoniumcation; 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: Application
    Filed: March 28, 2018
    Publication date: January 23, 2020
    Applicant: Innospec Limited
    Inventors: Matthew Petts, Katherine Le Manquais, Alan Norman Ross