Patents by Inventor Karl Heinz Wallhausser

Karl Heinz Wallhausser 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).

  • Liquid formulations of 1,2-benzisothiazolin-3-one, their preparation and their use
    Patent number: 4923887
    Abstract: Antimicrobially active liquid composition formulation which comprises 1,2-benzisothiazolin-3-one and at least one amine-oxyethylate of the formula ##STR1## wherein R is alkyl or alkenyl each having 2 to 22 carbon atoms and the sum of m and n is a number from 2 to 30 is used as an improved biocide to preserve and protect aqueous solutions from infestation with micro-organisms.
    Type: Grant
    Filed: August 25, 1988
    Date of Patent: May 8, 1990
    Assignee: Cassella Aktiengesellschaft
    Inventors: Wolfgang Bauer, Hans-Walter Bucking, Karl-Heinz Wallhausser
  • Casing material resistant to mold fungus
    Patent number: 4662403
    Abstract: A tubular or web-shaped casing material resistant to mold fungus comprising cellulose and a fungicidal content of glycerol monolaurate. Alkali metal salts of fatty acids and/or alkyl-, aryl- and/or alkyl-aryl-sulfonates are preferably used as the emulsifier. Also disclosed is a process for manufacturing the casing material described above and a fungicidal agent for cellulose casings comprising glycerol monolaurate.
    Type: Grant
    Filed: August 1, 1984
    Date of Patent: May 5, 1987
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Klaus-Dieter Hammer, Manfred Siebrecht, Karl-Heinz Wallhausser, Hermann Winter
  • N-substituted maleic imide preservative for aqueous dispersions of polymers derived from .alpha., .beta.-ethylenically unsaturated monomers
    Patent number: 3933715
    Abstract: Preserved synthetic resin dispersions and products made therefrom are provided which contain N-substituted maleic imide derivatives as a preservative.
    Type: Grant
    Filed: February 12, 1973
    Date of Patent: January 20, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Franz Botsch, Helmut Braun, Walter Fink, Friedrich Heller, Karl Heinz Wallhausser