Patents by Inventor Hans-Hermann Dietrichs, deceased

Hans-Hermann Dietrichs, deceased 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).

  • Aqueous heat-curable compositions, and their use
    Patent number: 4587285
    Abstract: Aqueous heat-curable compositions which are based on known heat-curable condensation products of aldehydes and OH- and/or NH.sub.2 -containing compounds, which contain hemicellulose-cleavage products having an average degree of polymerization, DP, of 5 to 100 and of at least 10% by weight, relative to the total weight of heat-curable materials, and aldehydes, in an amount of 5 to 50% by weight, relative to the weight of hemicellulose-cleavage products. The invention also relates to the use of these compositions for glueing and for preparing moldings.
    Type: Grant
    Filed: April 7, 1983
    Date of Patent: May 6, 1986
    Assignee: Fritz-Werner Industrie-Ausruestungen GmbH
    Inventors: Cihan Ayla, Hans-Hermann Dietrichs, deceased, Jurgen Puls, Michael Sinner