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: 20230365896
    Abstract: A laundry treatment formulation is provided, comprising: a modified carbohydrate polymer, wherein the modified carbohydrate polymer comprises a cellulose ether base material functionalized with (i) trialkyl ammonium moieties of formula (I) wherein each R1 is independently selected from the group consisting of 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 each 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 >800,000 Daltons.
    Type: Application
    Filed: September 15, 2021
    Publication date: November 16, 2023
    Inventors: Saugata Nad, Severine Cauvin, Rahma Benbakoura, Flore Vandemeulebroucke, Serge Creutz, Lyndsay M. Leal, Emmett M. Partain, III, Randara Pulukkody, Nisaraporn Suthiwangcharoen, Michelle Sikarskie
  • Patent number: 11788035
    Abstract: The present invention relates to a soap bar composition. It more particularly relates to a soap bar composition which comprises low amount of soap where high amount of water can be incorporated. This is achieved by including a selective polymer therein. The soap bars of the invention are easy to extrude and stamp.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: October 17, 2023
    Assignee: CONOPCO, INC.
    Inventors: Rodrigo Alves De Mattos, Gislene Splendore Bortolai, Nikhil J. Fernandes, Lyndsay M. Leal, Uwe Hagemann, Sergio Roberto Leopoldino, Yuriy Konstantinovich Yarovoy
  • Publication number: 20230190622
    Abstract: A method for making a skin moisturizing formulation is provided, comprising: providing a dermatologically acceptable vehicle; selecting a skin moisturizing agent based on its ability to absorb and retain moisture, wherein the skin moisturizing agent selected is a cationic dextran polymer, comprising a dextran polymer functionalized with quaternary ammonium groups; providing the selected skin moisturizing agent; combining the dermatologically acceptable vehicle and the skin moisturizing agent to form a skin moisturizing formulation; wherein the skin moisturizing formulation contains 0.05 to 10 wt %, based on weight of the skin moisturizing formulation, of the skin moisturizing agent. Also provided is a method for moisturizing skin.
    Type: Application
    Filed: June 18, 2021
    Publication date: June 22, 2023
    Inventors: Ying O'Connor, Emmett M. Partain, III, Lyndsay M. Leal, Jennifer P. Todd, Sokhomari S. Suon, Anne-Marie Vincent
  • Publication number: 20230145339
    Abstract: A process for reducing hair damage upon exposure to heat is provided, including: providing aqueous carrier; selecting heat protectant, wherein heat protectant is selected for its ability to impart thermal protection to hair and to be modified carbohydrate polymer, comprising cellulose ether base material functionalized with trialkyl ammonium moieties, having Kjeldahl nitrogen content of 0.75 to 2.5 wt %; and hydrophobic substituents having 16 carbon atoms; providing the selected heat protectant; combining the cosmetically acceptable aqueous carrier and the heat protectant to form aqueous thermal protectant formulation; wherein the aqueous thermal protectant formulation contains 0.1 to 5 wt %, based on weight of the aqueous thermal protectant formulation, of the heat protectant; providing hair; applying the aqueous thermal protectant formulation to hair; providing heat generating hair care appliance; exposing hair to heat at 50 to 300° C. using the heat generating hair care appliance for 1 to 30 minutes.
    Type: Application
    Filed: May 27, 2021
    Publication date: May 11, 2023
    Inventors: Nisaraporn Suthiwangcharoen, Lyndsay M. Leal, Emmett M. Partain, III, Shannon Golden, Justin Scherzer, Kenneth L. Kearns, Jr.
  • Publication number: 20230117582
    Abstract: A hair care formulation is provided, comprising: a dermatologically acceptable vehicle; a dermatologically acceptable oil; and a deposition aid polymer, wherein the deposition aid polymer is a dextran polymer functionalized with an amine group; wherein the dextran polymer has a weight average molecular weight of 100,000 to 650,000 Daltons; and wherein the deposition aid polymer enhances deposition of the dermatologically acceptable oil from the hair care formulation onto mammalian hair.
    Type: Application
    Filed: March 17, 2021
    Publication date: April 20, 2023
    Inventors: Lu Bai, Nikhil J. Fernandes, Emmett M. Partain, III, Lyndsay M. Leal, Binghe Gu, Jennifer P. Todd, Peilin Yang
  • Publication number: 20230108965
    Abstract: A hair cleansing formulation is provided, comprising: a dermatologically acceptable vehicle; a dermatologically acceptable hair care cleansing surfactant; a dermatologically acceptable silicone; and a deposition aid polymer, wherein the deposition aid polymer is a tertiary amine functionalized dextran polymer, comprising a branched chain dextran polymer functionalized with tertiary amine groups; wherein the deposition aid polymer enhances deposition of the dermatologically acceptable silicone from the hair cleansing formulation onto mammalian hair.
    Type: Application
    Filed: March 17, 2021
    Publication date: April 6, 2023
    Inventors: Lyndsay M. Leal, Nikhil J. Fernandes, Emmett M. Partain, III, Jennifer P. Todd, Michaeleen L. Pacholski
  • Publication number: 20230094528
    Abstract: The present invention relates to a soap bar composition. It more particularly relates to a soap bar composition which comprises low amount of soap where high amount of water can be incorporated. This is achieved by including a selective polymer therein. The soap bars of the invention are easy to extrude and stamp.
    Type: Application
    Filed: February 23, 2021
    Publication date: March 30, 2023
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Rodrigo ALVES DE MATTOS, Gislene Splendore BORTOLAI, Nikhil J. FERNANDES, Lyndsay M. LEAL, Uwe HAGEMANN, Sergio Roberto LEOPOLDINO, Yuriy Konstantinovich YAROVOY
  • Publication number: 20230096109
    Abstract: A skin cleansing formulation is provided, comprising: a dermatologically acceptable vehicle; a dermatologically acceptable oil; and a deposition aid polymer, wherein the deposition aid polymer is a cationic dextran polymer, comprising a dextran polymer functionalized with quaternary ammonium groups; wherein the deposition aid polymer enhances the deposition of the dermatologically acceptable oil from the skin cleansing formulation onto mammalian skin.
    Type: Application
    Filed: March 17, 2021
    Publication date: March 30, 2023
    Inventors: Ying O'Connor, Nikhil J. Fernandes, Emmett M. Partain, III, Lyndsay M. Leal, Peilin Yang, Jennifer P. Todd
  • Publication number: 20230100700
    Abstract: A fabric care composition is provided including water; a cleaning surfactant; a fabric softening silicone; and a deposition aid polymer, wherein the deposition aid polymer is a dextran polymer functionalized with quaternary ammonium moieties; wherein the deposition aid polymer enhances deposition of the fabric softening silicone from the fabric care composition onto a fabric.
    Type: Application
    Filed: March 17, 2021
    Publication date: March 30, 2023
    Inventors: Randara Pulukkody, Emmett M. Partain, III, Lyndsay M. Leal, Jennifer P. Todd, Michael B. Clark, JR., Nikhil J. Fernandes
  • Publication number: 20230088878
    Abstract: A hair care formulation is provided, comprising: a dermatologically acceptable vehicle; a dermatologically acceptable silicone; and a deposition aid polymer, wherein the deposition aid polymer is a branched chain cationic dextran polymer, comprising a dextran polymer functionalized with quaternary ammonium groups; wherein the dextran polymer has a weight average molecular weight of 100,000 to 650,000 Daltons; and wherein the deposition aid polymer enhances deposition of silicone from the hair care formulation onto mammalian hair.
    Type: Application
    Filed: March 17, 2021
    Publication date: March 23, 2023
    Inventors: Nikhil J. Fernandes, Emmett M. Partain, III, Lyndsay M. Leal, Jennifer P. Todd, Michaeleen Pacholski
  • Publication number: 20230093715
    Abstract: A hair cleanser is provided, comprising: a dermatologically acceptable vehicle; a dermatologically acceptable hair care cleansing surfactant; a dermatologically acceptable silicone; and a deposition aid polymer, wherein the deposition aid polymer is a dextran polymer crosslinked with a dextran crosslinking agent of formula (I) wherein X is a halogen; wherein each R1 is independently selected from a substituted or unsubstituted C1-6 alkyl group; wherein each R2 is independently selected from the group consisting of a C1-6 alkanediyl group; wherein Y is a divalent bridging group; and wherein the deposition aid polymer enhances deposition of the dermatologically acceptable silicone from the hair cleanser onto mammalian hair.
    Type: Application
    Filed: March 17, 2021
    Publication date: March 23, 2023
    Inventors: Lyndsay M. Leal, Nikhil J. Fernandes, Emmett M. Partain, III, Jennifer P. Todd, Michaeleen Pacholski
  • 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