Patents by Inventor Heidi A. Radcliffe

Heidi A. Radcliffe 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).

  • Patent number: 6416766
    Abstract: An emulsion slurry for cosmetic products, which comprises particles of pigments d/or extender pigments having a lipophilic moiety attached to the surface thereof and cosmetically acceptable oil component or oily material or combination of both dispersed in a liquid suspending medium comprising a mixture of water and oil.
    Type: Grant
    Filed: April 26, 1999
    Date of Patent: July 9, 2002
    Assignee: U.S. Cosmetics Corporation
    Inventors: Masaru Kobayashi, Shigeru Kishida, Isao Imai, Heidi A. Radcliffe