Patents by Inventor Wanlin Chang

Wanlin 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).

  • Composition
    Publication number: 20120309733
    Abstract: Hair treatment composition comprising a zinc-based antidandruff agent, a conazole fungicide and a cationic modified guar deposition polymer.
    Type: Application
    Filed: August 10, 2012
    Publication date: December 6, 2012
    Applicant: CONOPCO, INC., D/B/A UNILEVER
    Inventors: Wanlin Chang, Amit Jayaswal, Zheng Rong Li, Busaraporn Samran
  • Anti-dandruff hair conditioning compositions
    Patent number: 8206694
    Abstract: A hair conditioning composition comprising a cationic surfactant, triglyceride oil, and an anti dandruff agent.
    Type: Grant
    Filed: July 2, 2007
    Date of Patent: June 26, 2012
    Assignee: Conopco, Inc.
    Inventors: Wanlin Chang, Kanjana Phattarasakul, Busaraporn Samran, Jie-bing Zhu
  • COMPOSITION
    Publication number: 20120071456
    Abstract: Hair treatment composition comprising a zinc-based antidandruff agent, a conazole fungicide and a cationic modified guar deposition polymer.
    Type: Application
    Filed: April 12, 2010
    Publication date: March 22, 2012
    Inventors: Wanlin Chang, Amit Jayaswal, Zheng Rong Li, Busaraporn Samran
  • ANTI-DANDRUFF HAIR CONDITIONING COMPOSITIONS
    Publication number: 20100016271
    Abstract: A hair conditioning composition comprising a cationic surfactant, triglyceride oil, and an anti dandruff agent.
    Type: Application
    Filed: July 2, 2007
    Publication date: January 21, 2010
    Inventors: Wanlin Chang, Kanjana Phattarasakul, Busaraporn Samran, Jie-bing Zhu
  • Hair treatment compositions
    Publication number: 20060120988
    Abstract: A hair treatment composition comprises: an anionic surfactant; an amphoteric or zwitterionic surfactant; an alkyl amphoalkanoate surfactant; and an anti-dandruff agent that is in solution in the composition. The compositions have benefits in terms of perceived mildness by users and deposition of active agents, such as anti-dandruff agents.
    Type: Application
    Filed: December 10, 2003
    Publication date: June 8, 2006
    Inventors: Peter Bailey, Wanlin Chang, Alun Wiliams