Patents by Inventor David Christopher Thorley

David Christopher Thorley 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).

  • Publication number: 20230303949
    Abstract: The invention relates to a secondary alkane sulfonate surfactant, wherein wherein greater than 50 wt. % of the secondary alkane sulfonate is C17 and/or C18 secondary alkane sulfonate; the invention also concerns a detergent composition comprising the secondary alkane sulfonate surfactant; the invention also concerns a method, preferably a domestic method of treating a textile.
    Type: Application
    Filed: July 29, 2021
    Publication date: September 28, 2023
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Stephen Norman BATCHELOR, David Stephen GRAINGER, David Christopher THORLEY
  • Publication number: 20230303951
    Abstract: The invention concerns a detergent composition, comprising: (a) from 1 to 40 wt. % of a secondary alkane sulfonate surfactant with an average of 15 to 18 carbon atoms in a linear alkane chain; (b) from 1 to 40 wt. % of an anionic surfactant other than a); and, (c) from 0.01 to 8%, of an alkyl hydroxysultaine co-surfactant; and wherein greater than 50 wt. % of the alkyl chain of the secondary alkane sulfonate is C15 to C18, secondary alkane sulfonate; the invention also concerns a method, preferably a domestic method of treating a textile.
    Type: Application
    Filed: August 10, 2021
    Publication date: September 28, 2023
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: David Stephen GRAINGER, Uyai IKPATT, Paul Simon STEVENSON, David Christopher THORLEY
  • Publication number: 20230287300
    Abstract: The invention relates to a secondary alkane sulfonate surfactant, wherein at least 70 wt. % of the secondary alkane sulfonate is a secondary alkane sulfonate (SAS) surfactant having linear alkyl chains of from 15 to 18 carbon atoms; wherein less than 30% of the secondary alkane sulfonate (SAS) surfactant has linear alkyl chains of 14 carbon atoms or lower; the invention also concerns a detergent composition comprising the secondary alkane sulfonate surfactant; the invention also concerns a method, preferably a domestic method of treating a textile.
    Type: Application
    Filed: August 17, 2021
    Publication date: September 14, 2023
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Stephen Norman BATCHELOR, David Stephen GRAINGER, David Christopher THORLEY
  • Publication number: 20230287302
    Abstract: The invention concerns a detergent composition, comprising: (a) from 1 to 40 wt. % of a secondary alkane sulfonate surfactant with an average of 15 to 18 carbon atoms in a linear alkane chain; (b) from 1 to 40 wt. % of an nonionic surfactant; and, (c) from 0.01 to 8%, of an alkyl hydroxysultaine co-surfactant; wherein the total weight ratio of total weight of anionic surfactants to total weight of nonionic surfactants ranges from 30:1 to 1:2; and, wherein the hydroxy sultaine cosurfactant has the formula: R-N+(CH3)2—CH2—CH(OH)—CH2—SO3—M+ where R is an alkyl chain with C10-C18 and M is any suitable cationic counterion; the invention also concerns a method, preferably a domestic method of treating a textile.
    Type: Application
    Filed: July 27, 2021
    Publication date: September 14, 2023
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: David Stephen GRAINGER, Uyai IKPATT, Paul Simon STEVENSON, David Christopher THORLEY
  • Publication number: 20230159855
    Abstract: A liquid laundry detergent composition comprising: one or more anionic and/or non-ionic surfactants; and a sulphated ethoxylated C10Guerbet alcohol surfactant with a number average degree of ethoxylation in the range of 2.5 to 6, wherein the weight ratio of total anionic and/or non-ionic surfactants to sulphated ethoxylated C10 Guerbet alcohol surfactant is from 100:1 to 30:1.
    Type: Application
    Filed: March 21, 2021
    Publication date: May 25, 2023
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Julie BENNETT, Susanne Carina ENGERT, Hans-Christian RATHS, David Christopher THORLEY, Holger Michael RURK
  • Patent number: 11572529
    Abstract: A liquid laundry composition comprising: (i) one or more anionic surfactants; and (ii) a non-ionic ethoxylated C10 Guerbet alcohol surfactant with a degree of ethoxylation in the range of 1 to 10; wherein the total amount of anionic surfactant in the composition is in the range of 3 to 18 wt % of the total composition and the weight ratio of the total amount of anionic surfactant to the non-ionic ethoxylated C10 Guerbet alcohol surfactant is in the range of 6:1 to 60:1. Use of a liquid laundry detergent composition including said non-ionic ethoxylated C10 Guerbet alcohol surfactant for laundering textiles wherein effective foam is maintained during a main wash step and an easy rinse of the textiles is provided during a rinse step.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: February 7, 2023
    Inventors: Julie Bennett, Robert John Carswell, Eva-Maria Reis-Walther, David Christopher Thorley, Juergen Gert Tropsch, Holger Michael Tuerk
  • Publication number: 20220372400
    Abstract: The present invention concerns a detergent composition, comprising: (a) from 1.5 to 30 wt. %, of an anionic surfactant; (b) from 3 to 20 wt. % of a saturated or monosaturated linear C16 and/or C18 ether sulfate with mole average of 5 to 13, preferably 7 to 13 ethoxylate groups; (c) from 1 to 5 wt. % of a nonionic surfactant; (d) from 0.5 to 15 wt. % of polymeric cleaning boosters selected from antiredeposition polymers, soil release polymers and mixtures thereof, and wherein the anionic surfactant a) is a non-ether sulfate anionic surfactant; and to a domestic method of treating a textile.
    Type: Application
    Filed: May 28, 2020
    Publication date: November 24, 2022
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Stephen Norman BATCHELOR, Julie BENNETT, Jonathan BEST, David Christopher THORLEY
  • Publication number: 20220372397
    Abstract: A detergent composition, comprising: (a) from 2 to 25 wt. % of an alcohol ether sulfate of formula R1—(OCH2CH2)mOSO3H where R1 is saturated or monounsaturated, preferably saturated, linear C12 and/or C14 alkyl chain and where m is from 1 to 4; and, (b) from 2 to 25 wt. % of an alcohol ether sulfate of formula R2—(OCH2CH2)nOSO3H where R2 is saturated or monounsaturated linear C16 and/or C18 alkyl chain and where n is from 5 to 20; wherein the weight ratio of (a) to (b) is from 5:1 to 1:8. A domestic method of treating a textile with an aqueous solution of 0.5 to 20 g/L of said detergent composition.
    Type: Application
    Filed: May 28, 2020
    Publication date: November 24, 2022
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Stephen Norman BATCHELOR, Julie BENNETT, Jonathan BEST, David Christopher THORLEY
  • Publication number: 20220364020
    Abstract: The invention concerns a detergent composition containing less than 1 wt. % of phosphate, comprising: (a) from 2 to 25 wt. % of an alcohol ethoxylate of formula R1—(OCH2CH2)mOH where R1 is selected from saturated or monounsaturated linear C16 and/or C18 alkyl chains and where m is from 6 to 40; and, (b) from 2 to 25 wt. % of an alcohol ether sulfate of formula R2—(OCH2CH2)nOSO3H where R2 is saturated or monounsaturated linear C16 and/or C18 alkyl chain and n is from 5 to 20; wherein the mole ratio of (a) to (b) is from 9:1 to 1:9; the invention also concerns a domestic method of treating a textile.
    Type: Application
    Filed: June 12, 2020
    Publication date: November 17, 2022
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Stephen Norman BATCHELOR, Julie BENNETT, Jonathan BEST, David Christopher THORLEY
  • Publication number: 20220364022
    Abstract: The invention concerns a surfactant composition comprising: (a) from 10 to 90 wt. % of an alcohol ethoxylate of formula R1-(OCH2CH2)mOH where R1 is oleyl and/or elaidic and where m is from 6 to 16; and, (b) from 10 to 90 wt. % of an alcohol ether sulfate of formula R2—(OCH2CH2)nOSO3H where R2 is saturated or monounsaturated linear C16 and C18 alkyl chain and n is from 5 to 20; wherein the total level of (a)+(b) is greater than 80 wt. %; a detergent composition comprising said surfactant composition; and a domestic method of treating a textile, the method comprising the step of: treating a textile with an aqueous solution of 0.5 to 20 g/L of said detergent composition.
    Type: Application
    Filed: June 12, 2020
    Publication date: November 17, 2022
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Stephen Norman BATCHELOR, Julie BENNETT, Jonathan BEST, David Christopher THORLEY
  • Publication number: 20210163848
    Abstract: A liquid laundry composition comprising: (i) one or more anionic surfactants; and (ii) a non-ionic ethoxylated C10 Guerbet alcohol surfactant with a degree of ethoxylation in the range of 1 to 10; wherein the total amount of anionic surfactant in the composition is in the range of 3 to 18 wt % of the total composition and the weight ratio of the total amount of anionic surfactant to the non-ionic ethoxylated C10 Guerbet alcohol surfactant is in the range of 6:1 to 60:1. Use of a liquid laundry detergent composition including said non-ionic ethoxylated C10 Guerbet alcohol surfactant for laundering textiles wherein effective foam is maintained during a main wash step and an easy rinse of the textiles is provided during a rinse step.
    Type: Application
    Filed: February 9, 2021
    Publication date: June 3, 2021
    Inventors: Julie Bennett, Robert John Carswell, Eva-Maria Reis-Walther, David Christopher Thorley, Juergen Gert Tropsch, Holger Michael Tuerk
  • Patent number: 10947480
    Abstract: A liquid laundry composition comprising: (i) one or more anionic surfactants; and (ii) a non-ionic ethoxylated C10 Guerbet alcohol surfactant with a degree of ethoxylation in the range of 1 to 10; wherein the total amount of anionic surfactant in the composition is in the range of 3 to 18 wt % of the total composition and the weight ratio of the total amount of anionic surfactant to the non-ionic ethoxylated C10 Guerbet alcohol surfactant is in the range of 6:1 to 60:1. Use of a liquid laundry detergent composition including said non-ionic ethoxylated C10 Guerbet alcohol surfactant for laundering textiles wherein effective foam is maintained during a main wash step and an easy rinse of the textiles is provided during a rinse step.
    Type: Grant
    Filed: April 27, 2017
    Date of Patent: March 16, 2021
    Assignee: Conopeo, Inc.
    Inventors: Julie Bennett, Robert John Carswell, Eva-Maria Reis-Walther, David Christopher Thorley, Juergen Gert Tropsch, Holger Michael Tuerk
  • Publication number: 20200318033
    Abstract: Detergent compositions comprising a surfactant system which is 10 wt % to 70 wt % soap. Detergent compositions which are easily rinsed. Laundry methods using such compositions.
    Type: Application
    Filed: May 22, 2017
    Publication date: October 8, 2020
    Inventors: Julie Bennett, David Christopher Thorley
  • Publication number: 20190144782
    Abstract: A liquid laundry composition comprising: (i) one or more anionic surfactants; and (ii) a non-ionic ethoxylated C10 Guerbet alcohol surfactant with a degree of ethoxylation in the range of 1 to 10; wherein the total amount of anionic surfactant in the composition is in the range of 15 to 25 wt % of the total composition and the weight ratio of the total amount of anionic surfactant to the non-ionic ethoxylated C10 Guerbet alcohol surfactant is in the range of 6:1 to 100:1. Use of a liquid laundry detergent composition including a non-ionic ethoxylated C10 Guerbet alcohol surfactant with a degree of ethoxylation in the range of 1 to 10 for laundering textiles wherein increased foam is provided during a main wash step when compared to a composition having a comparable level of anionic surfactant and substantially no non-ionic ethoxylated C10 Guerbet alcohol surfactant with a degree of ethoxylation in the range of 1 to 10.
    Type: Application
    Filed: May 12, 2017
    Publication date: May 16, 2019
    Inventors: Julie Bennett, Robert John Carswell, Eva-Maria Reis-Walther, David Christopher Thorley, Juergen Gert Tropsch, Holger Michael Tuerk
  • Publication number: 20190136151
    Abstract: A liquid laundry composition comprising: (i) one or more anionic surfactants; and (ii) a non-ionic ethoxylated C10 Guerbet alcohol surfactant with a degree of ethoxylation in the range of 1 to 10; wherein the total amount of anionic surfactant in the composition is in the range of 3 to 18 wt % of the total composition and the weight ratio of the total amount of anionic surfactant to the non-ionic ethoxylated C10 Guerbet alcohol surfactant is in the range of 6:1 to 60:1. Use of a liquid laundry detergent composition including said non-ionic ethoxylated C10 Guerbet alcohol surfactant for laundering textiles wherein effective foam is maintained during a main wash step and an easy rinse of the textiles is provided during a rinse step.
    Type: Application
    Filed: April 27, 2017
    Publication date: May 9, 2019
    Inventors: Julie Bennett, Robert John Carswell, Eva-Maria Reis-Walther, David Christopher THORLEY, Juergen Gert Tropsch, Holger Michael Tuerk
  • Patent number: 9688948
    Abstract: The present invention provides a coated detergent particle having perpendicular dimensions x, y and z, wherein x is from 0.5 to 2 mm, y is from 2 to 8 mm, and z is from 2 to 8 mm, wherein the particle comprises: (i) from 20 to 39 wt % of a surfactant selected from: anionic and non-ionic surfactants; (ii) from 10 to 40 wt % of an inorganic salt coating selected from: sodium carbonate and/or sodium sulphate of which at least 5 wt % of the inorganic salt is sodium carbonate; and, (iii) from 10 to 40 wt % of calcite having a median particle size average diameter (D50) in the range from 10 to 70 microns, and wherein the inorganic salts are present on the detergent particle as a coating and the surfactant is present in a core with the calcite dispersed through the core.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: June 27, 2017
    Assignee: CONOPCO, INC.
    Inventors: Jonathan Osler, David Christopher Thorley
  • Publication number: 20150225680
    Abstract: The present invention provides a coated detergent particle having perpendicular dimensions x, y and z, wherein x is from 0.5 to 2 mm, y is from 2 to 8 mm, and z is from 2 to 8 mm, wherein the particle comprises: (i) from 20 to 39 wt % of a surfactant selected from: anionic and non-ionic surfactants; (ii) from 10 to 40 wt % of an inorganic salt coating selected from: sodium carbonate and/or sodium sulphate of which at least 5 wt % of the inorganic salt is sodium carbonate; and, (iii) from 10 to 40 wt % of calcite having a median particle size average diameter (D50) in the range from 10 to 70 microns, and wherein the inorganic salts and are present on the detergent particle as a coating and the surfactant is present a core with the calcite dispersed though the core.
    Type: Application
    Filed: September 20, 2013
    Publication date: August 13, 2015
    Applicant: CONOPCO, INC., D/B/A UNILEVER
    Inventors: Jonathan Osler, David Christopher Thorley
  • Publication number: 20080214424
    Abstract: A soluble unit dose of laundry detergent which comprises: a) a thin walled hard capsule, having a wall thickness between 0.07 and 0.3 mm and, c) within the thin walled hard capsule a detergent composition comprising at least 1 g of surfactant, which makes up at least 45% wt of the detergent composition. wherein the solubility of the capsule and the detergent composition is such that it will reach a level of 90% of eventually dissolved electrolytes in stirred demineralised water at 25° C. in less than 35 seconds. By choice of a capsule with this wall thickness the solubility is ensured while pressure caking of the contents is resisted to minimise overall dissolution time.
    Type: Application
    Filed: June 14, 2005
    Publication date: September 4, 2008
    Inventors: Stephen George Barnwell, Paul Chadwick, John George Chambers, Peter Graham, Philip Ronald Moore, David Christopher Thorley
  • Patent number: 7078373
    Abstract: The detergent composition of the invention contains a combination of an anionic surfactant, a defined nonionic surfactant of high hydrophilic/lipophilic balance (HLB) value, optionally a cationic surfactant, optionally a detergency builder, optionally an inorganic non-builder salt, an optionally a polycarboxylate polymer. Further optional detergent ingredients may also be present. The amount of the anionic surfactant is from 5 to 40, preferably from 7 to 30 wt % and the amount of the nonionic surfactant is from 1 to 20, preferably from 1 to 10 wt %, based on the weight of the total composition.
    Type: Grant
    Filed: November 3, 2003
    Date of Patent: July 18, 2006
    Assignee: Unilever Home & Personal Care USA division of Conopco, Inc.
    Inventors: Jacqueline Burrows, Robert John Crawford, Patrick Joseph Norris, David Christopher Thorley
  • Patent number: 6759380
    Abstract: A built laundry detergent composition contains a combination of anionic, nonionic and cationic surfactants which includes a highly ethoxylated nonionic surfactant which is a C8-C16 alcohol ethoxylated with an average of from 20 to 50 ethylene oxide groups. The cationic surfactant may advantageously be an ethoxylated quaternary ammonium compound. The composition exhibits improved oily soil detergency.
    Type: Grant
    Filed: September 12, 2003
    Date of Patent: July 6, 2004
    Assignee: Unilever Home & Personal Care USA division of Conopco, Inc.
    Inventors: Amrat Paul Singh, David Christopher Thorley