Patents by Inventor Gunhild Angst

Gunhild Angst 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: 4808388
    Abstract: Foamable cosmetic creams for application onto the skin, comprising a selected creamy oil-in-water emulsion and a selected propellant, which may be and advantageously is a single propellant gas, are disclosed. Improvement of the froth properties is effected by predetermined control of the ingredients of the composition and their proportions, comprising specific percentage ranges of nonionic emulsifier, oil portion, consistency-providing agent, and water, a viscosity of the starting cream emulsion formed therefrom between about 200 and 500 mPas, and the propellant employed, which consists essentially of nitrous oxide or carbon dioxide, preferably nitrous oxide.
    Type: Grant
    Filed: August 18, 1987
    Date of Patent: February 28, 1989
    Assignee: Merz + Co. GmbH & Co.
    Inventors: Rolf D. Beutler, Thomas Wimmer, Gunhild Angst