Patents by Inventor Gisela Schaefer

Gisela Schaefer 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).

  • Hair shampoo having gloss-enhancing properties
    Patent number: 6231843
    Abstract: The hair cleaning preparation for improving the shine of the hair is an aqueous solution or emulsion which contains water; from 5 to 50 percent by weight of an anionic, nonionic and/or amphoteric surfactant compound; from 2 to 10 percent by weight of a mixture of at least two fruit acids selected from the group consisting of lactic acid, citric acid, maleic acid, tartaric acid, gluconic acid, fumaric acid and succinic acid; from 0.2 to 2 percent by weight of at least one ingredient selected from the group consisting of pantothenol, pantothenic acid and esters of pantothenic acid and at least one cosmetic ingredient selected from the group consisting of perfume oils, preservatives and pH buffer substances. This hair cleaning preparation does not contain any oily or greasy ingredients.
    Type: Grant
    Filed: December 28, 1998
    Date of Patent: May 15, 2001
    Assignee: Wella Aktiengesellschaft
    Inventors: Hans Hoelzel, Manuela Hannich, Gisela Schaefer