Patents by Inventor William ZHAN

William ZHAN 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).

  • Fabric softener composition
    Patent number: 10174273
    Abstract: The present invention then concerns a fabric softener composition that performs well on softening fabrics, which comprises a blend of amphoteric surfactant carrying a C12-C22-alkyl or C12-C22-alkenyl, a fatty acid or a fatty alcohol, and a polysaccharide or polysaccharide derivative. The invention also concerns the use of said softening composition to impart fabric softness to fabrics.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: January 8, 2019
    Assignee: Rhodia Operations
    Inventors: Hai Zhou Zhang, Lin He, William Zhan
  • Fabric softener composition
    Publication number: 20160289602
    Abstract: The present invention then concerns a fabric softener composition that performs well on softening fabrics, which comprises a blend of amphoteric surfactant carrying a C12-C22-alkyl or C12-C22-alkenyl, a fatty acid or a fatty alcohol, and a polysaccharide or polysaccharide derivative. The invention also concerns the use of said softening composition to impart fabric softness to fabrics.
    Type: Application
    Filed: November 20, 2014
    Publication date: October 6, 2016
    Inventors: Hai Zhou ZHANG, Lin HE, William ZHAN
  • Hair conditioning composition
    Publication number: 20160287508
    Abstract: The present invention concerns a hair conditioning composition comprising at least a fatty amphoteric surfactant, a fatty carboxylic acid and/or a fatty alcohol; and a cationic polysaccharide or cationic polysaccharide derivative, which can provide a good pearlescent effect and hair conditioning effect.
    Type: Application
    Filed: November 20, 2014
    Publication date: October 6, 2016
    Inventors: Hai Zhou ZHANG, Xi CHEN, William ZHAN