Patents by Inventor Lorraine Williams

Lorraine Williams 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).

  • Thickened cosmetic compositions
    Patent number: 5422112
    Abstract: Cosmetic compositions are provided containing a thickening system that includes a heterobiopolysaccharide gum such as xanthan gum, an inorganic thickening agent such as magnesium aluminum silicate and a polyacrylamide. These compositions are particularly effective with thickening C.sub.1 -C.sub.25 .alpha.-hydroxy carboxylic acids and salts thereof, especially at low pH. Furthermore, the combination thickening system functions to stabilize the compositions against phase separation.
    Type: Grant
    Filed: June 9, 1994
    Date of Patent: June 6, 1995
    Assignee: Chesebrough-Pond's USA Co., Division of Conopco, Inc.
    Inventor: Lorraine Williams
  • Cosmetic emulsions with hydrocarbon thickening agents
    Patent number: 4939179
    Abstract: An aqueous cosmetic emulsion is provided that includes an isoparaffin and an alkyl phosphate salt wherein the relative ratio of isoparaffin to alkyl phosphate sale ranges from about 40:1 to 1:1. The combination of isoparaffin with alkyl phosphate salt provides an unexpected thickening effect and results in a non-greasy product relative to a mineral oil bearing formula.
    Type: Grant
    Filed: June 22, 1989
    Date of Patent: July 3, 1990
    Assignee: Chesebrough-Pond's Inc.
    Inventors: Michael C. Cheney, Dipak K. Ghosh, Lorraine Williams, Philip D. Ziegler