Patents Assigned to Innospec Limited
  • 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
  • Method of assembling an apparatus for containing reagents for a chemical reaction
    Patent number: 11951452
    Abstract: A method of assembling an apparatus for containing reagents for a chemical reaction. The apparatus includes an elongate housing and a receptacle. The elongate housing may include a cooling means, and end fittings which may include ports where fluids may be introduced and/or removed. Specifically, the method relates to the securement of a receptacle relative to the outwardly facing surface of the housing.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: April 9, 2024
    Assignee: INNOSPEC LIMITED
    Inventors: Carl Waterson, Richard David Hayton, Ian Malcolm McRobbie
  • Polymerisation method and apparatus therefor
    Patent number: 11813602
    Abstract: A method of assembling and/or operating apparatus for undertaking a chemical reaction. The apparatus includes a housing in which a precursor of a receptacle is arranged. A fluid (F1) may be introduced into said precursor to cause the precursor to inflate.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: November 14, 2023
    Assignee: INNOSPEC LIMITED
    Inventors: Carl Waterson, Richard David Hayton, Ian Malcolm McRobbie
  • Treatment of subterranean formations
    Patent number: 11753583
    Abstract: A method of treating a subterranean formation by contacting the formation with the following: (a) an ammonium compound; (b) an oxidizing agent selected from a perchlorate or a nitrite or combinations thereof; and (c) one or more acids, at least one of which is a bisulfate salt.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: September 12, 2023
    Assignee: INNOSPEC LIMITED
    Inventors: Ian Malcolm McRobbie, William Trenholme
  • Treatment of subterranean formations
    Patent number: 11739256
    Abstract: A method of treating a subterranean formation by contacting the formation with the following: (a) ammonium sulfamate; (b) an oxidizing agent selected from a perchlorate or a nitrite or combinations thereof; and (c) an acid.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: August 29, 2023
    Assignee: INNOSPEC LIMITED
    Inventors: Ian Malcolm McRobbie, William Trenholme
  • 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