Patents by Inventor Horst Krueger

Horst Krueger 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 improving coating compositions for paper and paper substitutes by use of poly(hydroxyaldehydocarboxylate) dispersing agent
    Patent number: 4042748
    Abstract: A process for improving the processability of a coating composition for paper and paper substitutes in which the composition contains at least one undissolved finely divided inorganic substance, organic substance, or mixture of such substances in a system comprised mainly of water, wherein the process comprises mixing into said system about 0.05 - 5.0 percent by weight of at least one dispersing agent consisting essentially of a polymer derived from specified units containing carboxyl, carboxylate, carbonyl and/or hydroxyl groups. A coating composition is provided.
    Type: Grant
    Filed: July 24, 1973
    Date of Patent: August 16, 1977
    Assignee: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
    Inventors: Gerhard Hebbel, Horst Krueger, Heinz Haschke, Gerhard Morlock