Patents by Inventor Philip Cotrell

Philip Cotrell 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).

  • 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
  • Publication number: 20180104169
    Abstract: An aqueous shear-thinning personal care composition comprising: (a) at least 3 wt % of a sulfonate compound of general formula where R1 represents a C8-22 alkyl group alkyl group; R2 represents a C1-4 alkyl group; each of R3, R4 and R5 independently represents a hydrogen atom or a C1-4 alkyl group; and M+ represents a sodium or potassium cation; (b) at least 3 wt % of an amphoteric or zwitterionic surfactant; (c) at least 10 wt % of water; and (d) at least 0.5 wt % of an additional component in the form of particles or droplets suspended in the composition. The composition is stable in an aqueous environment and can be formulated with a wide range of additional components.
    Type: Application
    Filed: October 20, 2017
    Publication date: April 19, 2018
    Inventor: Philip Cotrell
  • Patent number: 9833396
    Abstract: An aqueous shear-thinning personal care composition comprises: (a) at least 3 wt % of a sulfonate compound of general formula (I): where R1 represents a C8-22 alkyl group alkyl group; R2 represents a C1-4 alkyl group; each of R3, R4 and R5 independently represents a hydrogen atom or a C1-4 alkyl group; and M+ represents a sodium or potassium cation; (b) at least 3 wt % of an amphoteric or zwitterionic surfactant; (c) at least 10 wt % of water; and (d) at least 0.5 wt % of an additional component in the form of particles or droplets suspended in the composition. The composition is stable in an aqueous environment and can be formulated with a wide range of additional components.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: December 5, 2017
    Assignee: INNOSPEC LIMITED
    Inventor: Philip Cotrell
  • Publication number: 20170095411
    Abstract: An aqueous shear-thinning personal care composition comprises: (a) at least 3 wt % of a sulfonate compound of general formula (I): where R1 represents a C8-22 alkyl group alkyl group; R2 represents a C1-4 alkyl group; each of R3, R4 and R5 independently represents a hydrogen atom or a C1-4 alkyl group; and M+ represents a sodium or potassium cation; (b) at least 3 wt % of an amphoteric or zwitterionic surfactant; (c) at least 10 wt % of water; and (d) at least 0.5 wt % of an additional component in the form of particles or droplets suspended in the composition. The composition is stable in an aqueous environment and can be formulated with a wide range of additional components.
    Type: Application
    Filed: May 13, 2016
    Publication date: April 6, 2017
    Applicant: Innospec Limited
    Inventor: Philip Cotrell
  • Patent number: 8685906
    Abstract: Composition A low irritancy cleansing composition comprises: (a) an anionic surfactant compound of formula (I): wherein R1 represents a C4-36 substituted or unsubstituted hydrocarbyl 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; (b) an amphoteric surfactant; and (c) an alkoxylated non-ionic species; wherein the molar ratio of component (a) to component (b) is from 0.5:1 to 2:1 and wherein the ratio of the mass of component (c) to the combined mass of components (a) and (b) is less than 1.2:1.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: April 1, 2014
    Assignee: Innospec Limited
    Inventor: Philip Cotrell
  • Patent number: 8673833
    Abstract: A low irritancy cleansing composition comprises: (a) an anionic surfactant compound of formula (I): wherein R1 represents a C4-36 substituted or unsubstituted hydrocarbyl 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; and (b) an amphoteric surfactant; wherein the molar ratio of component (a) to component (b) is from 0.25:1 to 4:1 and wherein the composition comprises less than 3 wt % polyethoxylated non-ionic species.
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: March 18, 2014
    Assignee: Innospec Limited
    Inventor: Philip Cotrell
  • Publication number: 20120141389
    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: Application
    Filed: July 14, 2010
    Publication date: June 7, 2012
    Applicant: INNOSPEC LIMITED
    Inventors: Philip Cotrell, Samad Syed
  • Publication number: 20120142571
    Abstract: A low irritancy cleansing composition comprises: (a) an anionic surfactant compound of formula (I): wherein R1 represents a C4-36 substituted or unsubstituted hydrocarbyl 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; and (b) an amphoteric surfactant; wherein the molar ratio of component (a) to component (b) is from 0.25:1 to 4:1 and wherein the composition comprises less than 3 wt % polyethoxylated non-ionic species.
    Type: Application
    Filed: August 2, 2010
    Publication date: June 7, 2012
    Applicant: INNOSPEC LIMITED
    Inventor: Philip Cotrell
  • Publication number: 20120142572
    Abstract: Composition A low irritancy cleansing composition comprises: (a) an anionic surfactant compound of formula (I): wherein R1 represents a C4-36 substituted or unsubstituted hydrocarbyl 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; (b) an amphoteric surfactant; and (c) an alkoxylated non-ionic species; wherein the molar ratio of component (a) to component (b) is from 0.5:1 to 2:1 and wherein the ratio of the mass of component (c) to the combined mass of components (a) and (b) is less than 1.2:1.
    Type: Application
    Filed: August 2, 2010
    Publication date: June 7, 2012
    Applicant: INNOSPEC LIMITED
    Inventor: Philip Cotrell
  • Publication number: 20100266516
    Abstract: An aqueous shear-thinning personal care composition comprises: (a) at least 3 wt % of a sulfonate compound of general formula (I): where R1 represents a C8-22 alkyl group alkyl group; R2 represents a C1-4 alkyl group; each of R3, R4 and R5 independently represents a hydrogen atom or a C1-4 alkyl group; and M+ represents a sodium or potassium cation; (b) at least 3 wt % of an amphoteric or zwitterionic surfactant; (c) at least 10 wt % of water; and (d) at least 0.5 wt % of an additional component in the form of particles or droplets suspended in the composition. The composition is stable in an aqueous environment and can be formulated with a wide range of additional components.
    Type: Application
    Filed: November 17, 2008
    Publication date: October 21, 2010
    Applicant: Innospec Limited
    Inventor: Philip Cotrell