Patents by Inventor Werner Maltry

Werner Maltry 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).

  • Finishing of leather
    Patent number: 4908239
    Abstract: Leather is finished on the basis of a purely aqueous system using aqueous polymer dispersions, casein and crosslinking agents in the bottoming and seasoning.
    Type: Grant
    Filed: October 25, 1988
    Date of Patent: March 13, 1990
    Assignee: BASF Aktiengesellschaft
    Inventors: Dietrich Lach, Guenter Eckert, Werner Maltry, Karl Fischer