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).
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Patent number: 10806687Abstract: 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: GrantFiled: July 14, 2010Date of Patent: October 20, 2020Assignee: Innospec LimitedInventors: Philip Cotrell, Samad Syed
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Publication number: 20180104169Abstract: 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: ApplicationFiled: October 20, 2017Publication date: April 19, 2018Inventor: Philip Cotrell
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Patent number: 9833396Abstract: 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: GrantFiled: May 13, 2016Date of Patent: December 5, 2017Assignee: INNOSPEC LIMITEDInventor: Philip Cotrell
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Publication number: 20170095411Abstract: 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: ApplicationFiled: May 13, 2016Publication date: April 6, 2017Applicant: Innospec LimitedInventor: Philip Cotrell
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Patent number: 8685906Abstract: 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: GrantFiled: August 2, 2010Date of Patent: April 1, 2014Assignee: Innospec LimitedInventor: Philip Cotrell
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Patent number: 8673833Abstract: 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: GrantFiled: August 2, 2010Date of Patent: March 18, 2014Assignee: Innospec LimitedInventor: Philip Cotrell
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Publication number: 20120141389Abstract: 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: ApplicationFiled: July 14, 2010Publication date: June 7, 2012Applicant: INNOSPEC LIMITEDInventors: Philip Cotrell, Samad Syed
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Publication number: 20120142571Abstract: 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: ApplicationFiled: August 2, 2010Publication date: June 7, 2012Applicant: INNOSPEC LIMITEDInventor: Philip Cotrell
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Publication number: 20120142572Abstract: 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: ApplicationFiled: August 2, 2010Publication date: June 7, 2012Applicant: INNOSPEC LIMITEDInventor: Philip Cotrell
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Publication number: 20100266516Abstract: 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: ApplicationFiled: November 17, 2008Publication date: October 21, 2010Applicant: Innospec LimitedInventor: Philip Cotrell