Patents Assigned to Innospec Limited
  • Patent number: 10806687
    Abstract: A stable flowable aqueous composition comprising at least two component surfactants, each component surfactant having a maximum solubility in water at which a saturated solution forms, wherein the total concentration of all surfactants present in the composition is greater than would be obtained by combining equivalent amounts of saturated solutions of the component surfactants; wherein at least one component surfactant includes a compound of formula (I): wherein R1 represents a C4-36 alkyl group; each of R2, R3, R4 and R5 independently represents a hydrogen atom or a C1-4 alkyl group and wherein at least one of R2, R3, R4 and R5 is not hydrogen and M? represents a cation.
    Type: Grant
    Filed: July 14, 2010
    Date of Patent: October 20, 2020
    Assignee: Innospec Limited
    Inventors: Philip Cotrell, Samad Syed
  • Patent number: 10799440
    Abstract: A method of treating a material, the method comprising contacting the material with a composition comprising a hydroxy-substituted aldehyde.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: October 13, 2020
    Assignee: Innospec Limited
    Inventors: Tony Gough, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Nicholas John Dixon, Ian Malcolm McRobbie
  • 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
  • Publication number: 20200277537
    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: Application
    Filed: May 18, 2020
    Publication date: September 3, 2020
    Applicant: Innospec Limited
    Inventor: Simon Mulqueen
  • Patent number: 10689589
    Abstract: Quaternary ammonium salts of formula: wherein each of R1 and R2 is independently selected from an optionally substituted alkyl, alkenyl or aryl group having less than 8 carbon atoms, R together with N forms an aliphatic or aromatic heterocycle having less than 12 carbons atoms and R5 is hydrogen or an optionally substituted hydrocarbyl group. The use of these compounds as fuel or lubricant additives, especially as diesel fuel additives.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: June 23, 2020
    Assignee: Innospec Limited
    Inventor: Stephen Leonard Cook
  • Publication number: 20200157445
    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: Application
    Filed: March 28, 2018
    Publication date: May 21, 2020
    Applicant: Innospec Limited
    Inventors: Alan Norman ROSS, Martin ROBERTS
  • 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
  • Patent number: 10626341
    Abstract: A quaternary ammonium compound which is the reaction product of: (a) a tertiary amine having a molecular weight of less than 1000; (b) an acid-activated alkylating agent; and (c) a diacid including an optionally substituted hydrocarbyl moiety having at least (5) carbon atoms.
    Type: Grant
    Filed: July 28, 2014
    Date of Patent: April 21, 2020
    Assignee: INNOSPEC LIMITED
    Inventors: Jacqueline Reid, Stephen L. Cook
  • 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
  • Publication number: 20200040270
    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: Application
    Filed: March 28, 2018
    Publication date: February 6, 2020
    Applicant: Innospec Limited
    Inventors: Alan Norman Ross, Martin Roberts
  • Publication number: 20200030213
    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: Application
    Filed: September 29, 2017
    Publication date: January 30, 2020
    Applicant: INNOSPEC LIMITED
    Inventors: Nicholas John Dixon, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Tony Gough, Ian Malcolm McRobbie
  • Publication number: 20200030212
    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: Application
    Filed: September 29, 2017
    Publication date: January 30, 2020
    Applicant: INNOSPEC LIMITED
    Inventors: Nicholas John DIXON, Matthew Robert GILES, Kimberley Elizabeth GRIFFITHS, Tony GOUGH, Ian Malcolm MCROBBIE
  • Publication number: 20200030211
    Abstract: A method of combating colour loss from a dyed material, the method comprising contacting the material with a composition comprising a compound of formula (I): (I) wherein R is an optionally substituted hydrocarbyl group having at least 5 carbon atoms, and R is hydrogen or a solubilising group.
    Type: Application
    Filed: September 29, 2017
    Publication date: January 30, 2020
    Applicant: INNOSPEC LIMITED
    Inventors: Nicholas John Dixon, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Tony Gough, Ian Malcolm McRobbie
  • 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
  • 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
  • Publication number: 20190343747
    Abstract: A composition comprising: (a) an acyl isethionate surfactant; (b) a cationic polymer; and (c) a water insoluble benefit agent: wherein the composition comprises less than 3 wt % amphoteric or zwitterionic surfactants.
    Type: Application
    Filed: April 7, 2017
    Publication date: November 14, 2019
    Applicant: Innospec Limited
    Inventors: Peter Clark, Tony Gough
  • Publication number: 20190309234
    Abstract: A quaternary ammonium compound of formula (X): wherein R0, R1, R2 and R3 is each individually an optionally substituted alkyl, alkenyl or aryl group and R includes an optionally substituted hydrocarbyl moiety having at least 5 carbon atoms.
    Type: Application
    Filed: June 24, 2019
    Publication date: October 10, 2019
    Applicant: Innospec Limited
    Inventors: Jacqueline Reid, Stephen L. Cook
  • Publication number: 20190298630
    Abstract: A method of combatting colour loss from a dyed material, the method comprising contacting the material with a composition comprising a polycarboxylic acid derived chelating agent.
    Type: Application
    Filed: September 29, 2017
    Publication date: October 3, 2019
    Applicant: INNOSPEC LIMITED
    Inventors: Nicholas John Dixon, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Tony Gough, Ian Malcolm McRobbie
  • Publication number: 20190269590
    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: Application
    Filed: September 29, 2017
    Publication date: September 5, 2019
    Applicant: INNOSPEC LIMITED
    Inventors: Nicholas John DIXON, Matthew Robert GILES, Kimberley Elizabeth GRIFFITHS, Tony GOUGH, Ian Malcolm MCROBBIE
  • Publication number: 20190269591
    Abstract: A method of treating a 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: Application
    Filed: September 29, 2017
    Publication date: September 5, 2019
    Applicant: INNOSPEC LIMITED
    Inventors: Nicholas John Dixon, Matthew Robert Giles, Kimberley Elizabeth Griffiths, Tony Gough, Ian Malcolm McRobbie