Patents by Inventor Hasso Daebel

Hasso Daebel 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 stabilizer into polycondensates
    Patent number: 5580913
    Abstract: A process for the homogeneous incorporation of a stabilizers into a polycondensate in which the stabilizer is first applied to a finely divided solid polycondensate and the mixture is then revolved in the solid phase of the polycondensate, at temperatures of at least 80.degree. C.Products having an improved color and stability are obtained by this mild incorporation of stabilizer.
    Type: Grant
    Filed: December 29, 1994
    Date of Patent: December 3, 1996
    Assignee: Huels Aktiengesellschaft
    Inventors: Salih Mumcu, Hasso Daebel