Patents Assigned to Innospec Limited
  • Cosmetic compositions for combatting colour loss from a dyed material
    Patent number: 12076431
    Abstract: A concentrate composition comprising: (a) at least 0.1 wt % of a surfactant compound; and (b) at least 10 wt % one or more ingredients selected from aldehydes, succinimidyl esters, chelating agents and amine salts of carboxylic acids.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: September 3, 2024
    Assignee: Innospec Limited
    Inventors: Nicholas John Dixon, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Tony Gough, Ian Malcolm McRobbie
  • COMPOSITION, METHOD AND USE
    Publication number: 20240150665
    Abstract: A method of reducing particulate emissions from a direct injection spark ignition engine, the method comprising combusting in the engine a gasoline composition comprising as an additive a quaternary ammonium compound.
    Type: Application
    Filed: December 22, 2023
    Publication date: May 9, 2024
    Applicant: Innospec Limited
    Inventors: Simon Christopher Mulqueen, Keith Woodall
  • COMPOSITION, METHOD AND USE
    Publication number: 20240124794
    Abstract: A method of reducing particulate emissions from a direct injection spark ignition engine, the method comprising combusting in the engine a gasoline composition comprising as an additive a quaternary ammonium compound.
    Type: Application
    Filed: December 22, 2023
    Publication date: April 18, 2024
    Applicant: Innospec Limited
    Inventors: Simon Christopher Mulqueen, Keith Woodall
  • 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
  • Methods, compositions and uses relating thereto
    Patent number: 11642291
    Abstract: A method of treating a material, the method comprising contacting the material with a composition comprising a hydroxy-substituted aldehyde. In preferred aspects of the invention the material is a keratinous material.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: May 9, 2023
    Assignee: Innospec Limited
    Inventors: Tony Gough, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Nicholas John Dixon, Ian Malcolm Mcrobbie
  • Compositions, and Methods and Uses Relating Thereto
    Publication number: 20230034373
    Abstract: A fuel oil composition comprising a blended fuel oil having a sulfur content of less than 5000 ppm and an additive wherein the additive is a copolymer comprising maleic anhydride derived units and ?-olefin derived units.
    Type: Application
    Filed: July 15, 2022
    Publication date: February 2, 2023
    Applicant: Innospec Limited
    Inventors: Joseph L. Stark, Paul J. Biggerstaff
  • 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: 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
    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
    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
  • Methods, compositions and uses relating thereto
    Patent number: 11311471
    Abstract: A method of treating a material, the method comprising the steps of: (1) contacting the material with a composition comprising an electrophilic species selected from aldehydes, succinimidyl esters, and mixtures thereof; (2) contacting the material with a composition comprising a chelating agent and/or a salt of an amine and/or a carboxylic acid.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: April 26, 2022
    Assignee: Innospec Limited
    Inventors: Nicholas John Dixon, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Tony Gough, Ian Malcolm McRobbie
  • Methods, compositions and uses relating thereto
    Patent number: 11304884
    Abstract: A method of treating a material, the method comprising contacting the material with a composition comprising an alpha-substituted aldehyde.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: April 19, 2022
    Assignee: Innospec Limited
    Inventors: Tony Gough, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Nicholas John Dixon, Ian Malcolm McRobbie
  • Compositions and methods and uses relating thereto
    Patent number: 11261389
    Abstract: A compound of formula (I): wherein p is at least 1, n is at least 1 and less than or equal to p; Ar is a polycyclic aromatic moiety, R1 is hydrogen or an optionally substituted hydrocarbyl group and each of R2, R3 and R4 is independently an optionally substituted hydrocarbyl group, provided that at least one of R2, R3 and R4 has at least 6 carbon atoms.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: March 1, 2022
    Assignee: Innospec Limited
    Inventors: Cenk R. Burgazli, Christopher E. LeMieux
  • Methods and compositions for combatting color loss
    Patent number: 11253452
    Abstract: A method of combating colour loss from a dyed material, the method comprising contacting the material with a composition comprising a hydroxy-substituted aldehyde.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: February 22, 2022
    Assignee: Innospec Limited
    Inventors: Nicholas John Dixon, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Tony Gough, Ian Malcolm McRobbie
  • Reducing colour loss from a dyed material by using an amine salt of a carboxylic acid
    Patent number: 11253453
    Abstract: A method of combatting colour loss from a dyed material, the method comprising contacting the material with a composition comprising an amine salt of a carboxylic acid wherein the carboxylic acid has 4 to 10 carbon atoms.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: February 22, 2022
    Assignee: Innospec Limited
    Inventors: Nicholas John Dixon, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Tony Gough, Ian Malcolm McRobbie
  • Methods, compositions and uses relating thereto
    Patent number: 11234917
    Abstract: A method of combatting colour loss from a dyed material, the method comprising the steps of: (1) contacting the material with a composition comprising an electrophilic species selected from aldehydes, succinimidyl esters, and mixtures thereof; (2) contacting the material with a composition comprising a chelating agent and/or a salt of an amine and/or a carboxylic acid.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: February 1, 2022
    Assignee: Innospec Limited
    Inventors: Nicholas John Dixon, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Tony Gough, Ian Malcolm McRobbie
  • Diesel fuel compositions and methods of use thereof
    Patent number: 11220647
    Abstract: A method of combating internal diesel injector deposits caused by carboxylate residues and/or lacquers in the injectors of a diesel engine, the method comprising combusting in the engine a diesel fuel composition comprising (a) the reaction product of a carboxylic acid-derived acylating agent and an amine and (b) a quaternary ammonium salt additive.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: January 11, 2022
    Assignee: Innospec Limited
    Inventor: Simon Mulqueen