Patents by Inventor Chunfeng Guo

Chunfeng Guo 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: 20070190019
    Abstract: Vanishing cream base compositions and vanishing cream compositions suitable for topical application of an active agent to an animal or plant comprising water, at least one alcohol, a polymeric thickening agent, a skin penetration enhancing compound, and an emulsifying agent are provided. Methods for the use and manufacture of such creams are also disclosed.
    Type: Application
    Filed: June 23, 2004
    Publication date: August 16, 2007
    Inventors: Chunfeng Guo, Thomas Chan