Patents by Inventor Tilmann Taeger

Tilmann Taeger 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).

  • Methods for making leather
    Patent number: 4889811
    Abstract: Methods for making leather from animal hides and skins in the presence of surface active agents wherein certain phosphonic acid compounds are used in place of, or in combination with, known surface active agents.
    Type: Grant
    Filed: September 9, 1986
    Date of Patent: December 26, 1989
    Assignee: Rohm GmbH
    Inventors: Juergen Christner, Ernst Pfleiderer, Tilmann Taeger