Patents by Inventor Wolfgang Kriesten

Wolfgang Kriesten 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 incorporating a plasticizer into a polyamide
    Patent number: 5527847
    Abstract: Plasticizers are homogeneously incorporated into finely divided solid polyamides by mechanically agitating a mixture of plasticizers and polyamides at temperatures of at least 80.degree. C. while the polyamide remains in the finely divided solid phase.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: June 18, 1996
    Assignee: Huels Aktiengesellschaft
    Inventors: Salih Mumcu, Weigand Kramer, Wolfgang Kriesten, Hans J. Panoch
  • Disintegrating, densely filled polyamide molding composition
    Patent number: 4466330
    Abstract: A polyamide molding composition filled with fine particulate metals for injection molding into practice hand grenades and shells which disintegrate into small pieces.
    Type: Grant
    Filed: July 16, 1982
    Date of Patent: August 21, 1984
    Assignee: Chemische Werke Huls AG
    Inventors: Heinz Juretzek, Wolfgang Kriesten, Paul Sindermann
  • Polyamide base powder coating material
    Patent number: 3966838
    Abstract: Polyamide base powder coating material from a polyamide having an average of about 8 - 11 aliphatic carbon atoms per carbonamide group and containing about 0.2 to 5 percent by weight of carbonamide groups having n-alkoxymethyl groups based on the total number of carbonamide groups and about 0.01 - 2 percent by weight of acid catalysts.
    Type: Grant
    Filed: April 24, 1973
    Date of Patent: June 29, 1976
    Assignee: Chemische Werke Huls Aktiengesellschaft
    Inventors: Rainer Feldmann, Wolfgang Kriesten, Karl Adolf Muller, Hans Joachim Panoch, Heinz Scholten