Patents by Inventor Lyndsay M. Leal

Lyndsay M. Leal 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: 20220331216
    Abstract: An aqueous conditioner formulation for thermally styled hair is provided, including: an aqueous carrier; and a modified carbohydrate polymer, comprising a cellulose ether base material functionalized with (i) trialkyl ammonium moieties of formula (I) wherein R1 is independently a C1-7 alkyl group and wherein the modified carbohydrate polymer has a Kjeldahl nitrogen content, TKN, corrected for ash and volatiles, of 0.75 to 2.5 wt %; and (ii) hydrophobic substituents having 16 carbon atoms; wherein the modified carbohydrate polymer comprises 0.005 to 1.5 wt %, based on weight of the cellulose ether base material, of the hydrophobic substituents; wherein the hydrophobic substituents are randomly distributed across the backbone of the cellulose ether base material; wherein the cellulose ether base material has a weight average molecular weight, MW, of >1,000,000 Daltons; and wherein the modified carbohydrate polymer has <0.
    Type: Application
    Filed: October 26, 2020
    Publication date: October 20, 2022
    Inventors: Nisaraporn Suthiwangcharoen, Lyndsay M. Leal, Emmett M. Partain, III, Nikhil J. Fernandes, Shannon Golden, Bethany K. Johnson
  • Publication number: 20220160596
    Abstract: A hydrophilic silica/polymer blend is provided comprising (a) a hydrophilic silica powder; and (b) a thickening polymer powder, comprising (i) structural units of C4-8 alkyl (meth)acrylate monomer; (ii) structural units of (meth)acrylic acid monomer; (iii) structural units of (methoxy) poly(ethylene glycol) (meth)acrylate monomer; and (iv) structural units of multiethylenically unsaturated monomer; wherein the weight ratio of hydrophilic silica powder to thickening polymer powder in the hydrophilic silica/polymer blend is 1:9 to 9:1. Also provided are personal care compositions containing same and methods of using same.
    Type: Application
    Filed: April 16, 2020
    Publication date: May 26, 2022
    Inventors: Luqing Qi, Liang Chen, Lu Bai, Lyndsay M. Leal, David M. Meunier, Yunshen Chen, Fanwen Zeng
  • Publication number: 20220151908
    Abstract: A polymer oil blend is provided comprising (a) a cosmetically acceptable long chain hydrophobic ester oil, wherein the cosmetically acceptable long chain hydrophobic ester oil comprises aliphatic C>12-24 alkyl triglycerides; (b) a thickening polymer powder, wherein the thickening polymer powder comprises: (i) 96 to 99.9 wt %, based on weight of the thickening polymer powder, of structural units of C4-8 alkyl (meth)acrylate monomer; (ii) 0.1 to 2 wt %, based on weight of the thickening polymer powder, of structural units of (meth)acrylic acid monomer; (iii) 0 to 2 wt %, based on weight of the thickening polymer powder, of structural units of multi-ethylenically unsaturated crosslinking monomer; and (c) a silica powder; and wherein the weight ratio of silica powder/thickening polymer powder is ?0.25. Also provided are personal care compositions containing same and methods of using same.
    Type: Application
    Filed: April 16, 2020
    Publication date: May 19, 2022
    Inventors: Luqing Qi, Liang Chen, Lu Bai, Lyndsay M. Leal, David M. Meunier, Yunshen Chen, Fanwen Zeng
  • Publication number: 20220142903
    Abstract: A polymer/hydrophilic silica blend is provided comprising (a) a thickening polymer powder, comprising (i) structural units of C4-8 alkyl (meth)acrylate monomer; (ii) structural units of (meth)acrylic acid monomer, and (iii) structural units of a specialized associative monomer of formula (I) wherein R1 is a linear saturated C10-20 alkyl group; and n is an average of 20 to 28; and (b) a hydrophilic silica powder; wherein the weight ratio of hydrophilic silica powder to thickening polymer powder in the polymer/hydrophilic silica blend is 1:9 to 9:1. Also provided are personal care compositions containing same and methods of using same.
    Type: Application
    Filed: April 16, 2020
    Publication date: May 12, 2022
    Inventors: Luqing Qi, Liang Chen, Lu Bai, Lyndsay M. Leal, David M. Meunier, Yunshen Chen, Fanwen Zeng
  • Patent number: 11246821
    Abstract: A personal care composition is provided, comprising: a vehicle; a surfactant; a water-soluble cellulose ether base material substituted with a hydrophobic group having a carbon chain with 8 to 15 carbon atoms; wherein the water-soluble cellulose ether base material has a weight average molecular weight, Mw, of >800,000 Daltons; and, wherein the body wash formulation contains <0.01 wt % alkyl sulfate and <0.01 wt % alkyl ether sulfate.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: February 15, 2022
    Assignees: Rohm and Haas Company, Union Carbide Corporation
    Inventors: Katherine R. Davis, Lyndsay M. Leal, Emmett M. Partain, III, Nikhil J. Fernandes, Eric P. Wasserman
  • Publication number: 20220040080
    Abstract: A personal care composition is provided, comprising: a cosmetically acceptable carrier; a cosmetically acceptable silicone; a modified carbohydrate polymer; wherein the modified carbohydrate polymer comprises a cellulose ether base material functionalized with (i) quaternary ammonium groups, wherein the quaternary ammonium groups and wherein the modified carbohydrate polymer has a Kjeldahl nitrogen content corrected for ash and volatiles, TKN, of 1.0 to 4.0 wt %; and (ii) hydrophobic substituents, wherein the hydrophobic substituents comprise an alkyl group having an average of 10 to 20 carbon atoms; wherein the modified carbohydrate polymer comprises >0.005 to <0.05 moles of the hydrophobic substituents per mole of the cellulose ether base material; wherein the hydrophobic groups are randomly distributed across the backbone of the cellulose ether base material; and wherein the cellulose ether base material has a weight average molecular weight, Mw, of >200,000 Daltons.
    Type: Application
    Filed: November 1, 2019
    Publication date: February 10, 2022
    Inventors: Lyndsay M. Leal, Emmett M. Partain, III, Nikhil J. Fernandes, Daniel S. Miller
  • Patent number: 11220567
    Abstract: A hydrophobically modified rheology modifier comprising: (a) from 1 to 20 wt % polymerized units of H2C?C(R)C(O)O(CH2CH2O)n(CH(R?)CH2O)mR?; (b) from 35 to 75 wt % polymerized units of C1-C4 alkyl (meth)acrylates; and (c) from 20 to 60 wt % polymerized units of C3-C6 carboxylic acid monomers; wherein R is H or CH3, R? is methyl or ethyl; R? is C29-C60 alkyl; n is an average number from 20 to 100 and m is an average number from 0 to 50, provided that n?m.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: January 11, 2022
    Assignees: Rohm and Haas Company, Union Carbide Corporation
    Inventors: Fanwen Zeng, Ying O'Connor, Lyndsay M. Leal, Jennifer Koenig, Muhunthan Sathiosatham, James Pawlow, Inna Shulman, Sokhomari S. Suon
  • Publication number: 20210267863
    Abstract: A personal care composition is provided, comprising: a vehicle; a cosmetically acceptable oil; and a cationic polymer comprising structural units of acrylamide monomer; structural units of N,N-dimethyl acrylamide monomer; and structural units of monoethylenically unsaturated monocationic monomer; wherein the cationic polymer comprises <10 mol % structural units of multiethylenically unsaturated cationic monomer; wherein the cationic polymer comprises <30 wt % structural units of ester containing monomers; wherein the cationic polymer comprises <1 mol % structural units of ethylenically unsaturated monomers containing a moiety selected from the group consisting of epoxy, anhydride, imide, lactone, carboxylic acid, sulfonic acid and isocyanate; wherein the cationic polymer comprises <0.1 mol % structural units of a reactive siloxane; and wherein the personal care composition comprises <0.05 wt % water soluble, organic, ampholytic polymer conditioning agent.
    Type: Application
    Filed: August 22, 2019
    Publication date: September 2, 2021
    Inventors: Ying O'Connor, Fanwen Zeng, Lyndsay M. Leal, Peilin Yang, Asghar A. Peera, Sokhomari S. Suon, Inna Shulman
  • Publication number: 20210198399
    Abstract: A hydrophobically modified rheology modifier comprising: (a) from 1 to 20 wt % polymerized units of H2C?C(R)C(O)O(CH2CH2O)n(CH(R?)CH2O)mR?; (b) from 35 to 75 wt % polymerized units of C1-C4 alkyl (meth)acrylates; and (c) from 20 to 60 wt % polymerized units of C3-C6 carboxylic acid monomers; wherein R is H or CH3, R? is methyl or ethyl; R? is C29-C60 alkyl; n is an average number from 20 to 100 and m is an average number from 0 to 50, provided that n?m.
    Type: Application
    Filed: October 31, 2018
    Publication date: July 1, 2021
    Inventors: Fanwen Zeng, Ying O'Connor, Lyndsay M. Leal, Jennifer Koenig, Muhunthan Sathiosatham, James Pawlow, Inna Shulman, Sokhomari S. Suon
  • Patent number: 10864155
    Abstract: Provided are personal care compositions including (a) hydrophobic ester oil, (b) at least one of a nonionic or anionic surfactant, and (c) one or more polymers containing polymerized structural units of (i) 79 to 95.74 weight % of C4-C8 (meth)acrylate monomers, (ii) 0.5 to 5 weight % of (meth)acrylic acid monomer, (iii) 3.75 to 14 weight % of (methoxy) poly(ethylene glycol) methacrylates, and (iv) 0.01 to 2 weight % of at least one crosslinker.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: December 15, 2020
    Assignees: Dow Global Technologies LLC, Rohm and Haas Company
    Inventors: Lu Bai, Liang Chen, Yunshen Chen, Shannon Golden, Jennifer Koenig, Lyndsay M. Leal, Xiang Qian Liu, Wen-Shiue Young, Fanwen Zeng
  • Patent number: 10716745
    Abstract: A personal care composition is provided, comprising: a vehicle; a surfactant, wherein the surfactant includes at least one alkyl polyglucoside; a water-soluble cellulose ether base material substituted with a hydrophobic group having a carbon chain with 8 to 15 carbon atoms; wherein the water-soluble cellulose ether base material has a weight average molecular weight, Mw, of >800,000 Daltons; and wherein the personal care composition contains <0.01 wt % alkyl sulfate and <0.01 wt % alkyl ether sulfate.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: July 21, 2020
    Assignees: Dow Global Technologies LLC, Union Carbide Corporation
    Inventors: Lyndsay M. Leal, Katherine R. Davis, Emmett M. Partain, III, Nikhil J. Fernandes, Eric P. Wasserman
  • Publication number: 20200155439
    Abstract: A personal care composition is provided, comprising: a vehicle; a surfactant; a water-soluble cellulose ether base material substituted with a hydrophobic group having a carbon chain with 8 to 15 carbon atoms; wherein the water-soluble cellulose ether base material has a weight average molecular weight, Mw, of >800,000 Daltons; and, wherein the body wash formulation contains <0.01 wt % alkyl sulfate and <0.01 wt % alkyl ether sulfate.
    Type: Application
    Filed: July 7, 2017
    Publication date: May 21, 2020
    Inventors: Katherine R. Davis, Lyndsay M. Leal, Emmett M. Partain, III, Nikhil J. Fernandes, Eric P. Wasserman
  • Publication number: 20200138689
    Abstract: Provided are personal care compositions including (a) hydrophobic ester oil, (b) at least one of a nonionic or anionic surfactant, and (c) one or more polymers containing polymerized structural units of (i) 79 to 95.74 weight % of C4-C8 (meth)acrylate monomers, (ii) 0.5 to 5 weight % of (meth)acrylic acid monomer, (iii) 3.75 to 14 weight % of (methoxy) poly(ethylene glycol) methacrylates, and (iv) 0.01 to 2 weight % of at least one crosslinker.
    Type: Application
    Filed: June 13, 2018
    Publication date: May 7, 2020
    Inventors: Lu Bai, Liang Chen, Yunshen Chen, Shannon Golden, Jennifer Koenig, Lyndsay M. Leal, Xiang Qian Liu, Wen-Shiue Young, Fanwen Zeng
  • Publication number: 20190274944
    Abstract: A personal care composition is provided, comprising: a vehicle; a surfactant, wherein the surfactant includes at least one alkyl polyglucoside; a water-soluble cellulose ether base material substituted with a hydrophobic group having a carbon chain with 8 to 15 carbon atoms; wherein the water-soluble cellulose ether base material has a weight average molecular weight, Mw, of >800,000 Daltons; and wherein the personal care composition contains <0.01 wt % alkyl sulfate and <0.01 wt % alkyl ether sulfate.
    Type: Application
    Filed: August 17, 2017
    Publication date: September 12, 2019
    Inventors: Lyndsay M. Leal, Katherine R. Davis, Emmett M. Partain, III, Nikhil J. Fernandes, Eric P. Wasserman