Patents by Inventor Weigand Kramer

Weigand Kramer 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