Patents by Inventor Marlis Kallbe

Marlis Kallbe 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: 4808329
    Abstract: A paste-form glass cleaning preparation having the composition:(a) from 2 to 30% by weight of gasoline having a boiling point in the range of from 120.degree. to 250.degree. C.(b) from 0 to 10% by weight of organic solvent selected from the group consisting of alcohols, ketones and glycol ethers having a boiling point in the range of from 55.degree. to 250.degree. C., the organic solvent content making up less than half the gasoline content,(c) from 5 to 40% by weight of microcrystalline calcium carbonate wherein more than 98% by weight of the particles are smaller than 300 .mu.m,(d) from 0.2 to 2.5% by weight of silicone oil having a viscosity of from 20 to 1000 mPas,(e) from 0.05 to 2% by weight of nonionic and/or anionic emulsifier for oil-in-water emulsions,(f) from 0.1 to 3% by weight of polyacrylic acid having an average molecular weight of from 0.8.times.10.sup.6 to 5 .times.10.sup.
    Type: Grant
    Filed: March 16, 1987
    Date of Patent: February 28, 1989
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Heinz-Dieter Soldanski, Marlis Kallbe, Bernd-Dieter Holdt