Patents by Inventor Otto Schilling

Otto Schilling 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).

  • Solid formulation of anionic wool dyes with anionic dispersant and amphoteric surfactant: glycine or betaine
    Patent number: 4944768
    Abstract: There are disclosed solid dye formulations which comprise at least one anionic wool dye and optional additional components as well as a mixture of an anionic dispersant and an amphoteric surfactant. Such formulations are distinguished in particular by improved solubility in water.
    Type: Grant
    Filed: February 13, 1989
    Date of Patent: July 31, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Paolo Balliello, Otto Schilling, Beat Bruttel