Patents by Inventor Shaokun CHANG

Shaokun CHANG 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: 20220040076
    Abstract: A hair care composition is disclosed comprising from 0.5 to 45% by weight of a salt of acyl glutamate and an anti-dandruff agent of piroctone olamine, wherein the salt of acyl glutamate and the anti-dandruff agent are present in a weight ratio of from 5:1 to 50:1, and wherein the composition does not comprise other anionic surfactants in addition to the salt of acyl glutamate.
    Type: Application
    Filed: January 6, 2020
    Publication date: February 10, 2022
    Inventors: Shaokun CHANG, Jian LIU, Yingying PI, Xia ZHENG
  • Patent number: 11179309
    Abstract: This invention relates to a hair care composition which provides the desired anti-dandruff efficacy with uniform deposition of the active materials on hair/scalp. This is achieved through a judicious combination of a specific cationic deposition polymer and selective anti-dandruff agent of the right particle size.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: November 23, 2021
    Assignee: Conopco, Inc.
    Inventors: Shaokun Chang, Jingjing Liu, Yingying Pi, Raghupathi Subramanian
  • Publication number: 20190192407
    Abstract: The invention provides an antimicrobial personal cleansing composition comprising: (i) an aqueous continuous phase including one or more anionic cleansing surfactants, (ii) a dispersed phase including dispersed particles of zinc pyrithione (ZPT) in combination with one or more additional zinc salts; (iii) a cationic deposition polymer selected from one or more cationic polygalactomannans having an average molecular weight (Mw) of from 1 million to 3 million g/mol and a cationic degree of substitution of from 0.13 to 0.3; (iv) an anionic polymeric rheology modifier selected from one or more carboxylic acid polymers, and (v) a nonionic polymeric rheology modifier selected from one or more nonionic cellulose ethers.
    Type: Application
    Filed: August 4, 2017
    Publication date: June 27, 2019
    Inventors: Leo DERICI, Shaokun CHANG, Yingying PI
  • Publication number: 20180360716
    Abstract: This invention relates to a hair care composition which provides the desired anti-dandruff efficacy with uniform deposition of the active materials on hair/scalp. This is achieved through a judicious combination of a specific cationic deposition polymer and selective anti-dandruff agent of the right particle size.
    Type: Application
    Filed: November 28, 2016
    Publication date: December 20, 2018
    Applicant: Conopco, Inc., d/b/a UNILEVER
    Inventors: Shaokun CHANG, Jingjing LIU, Yingying PI, Raghupathi SUBRAMANIAN