Patents by Inventor Willy Ott

Willy Ott 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).

  • Process for the preparation of crystalline sheet sodium silicates
    Patent number: 4950310
    Abstract: X-ray crystalline sodium silicates having a sheet structure and an SiO.sub.2 :Na.sub.2 O molar ratio of 1.9 to 3.5 are prepared by dissolving an X-ray crystalline sodium silicate having a sheet structure and an SiO.sub.2 /Na.sub.2 O molar ratio of 1.9:1 to 3.5:1 in water and evaporating the solution at temperatures of 20.degree. to 445.degree. C.For the preparation of detergents or cleaners, a mixture of surfactants and builders, which may also contain fillers, bleaching agents, bleach activators and enzymes, is made into a paste with water, mixed with an X-ray crystalline sheet sodium silicate having an SiO.sub.2 /Na.sub.2 O molar ratio of 1.9:1 to 3.5:1, mixed thoroughly and then spray-dried.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: August 21, 1990
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Peter Rieck, Martin Schott, Willy Ott, Werner Gohla