Patents by Inventor Otto Forster

Otto Forster 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).

  • Enzymatic treatment of wool
    Patent number: 5529928
    Abstract: The invention relates to a process for the production of wool and animal hairs with a low-in felt or felt-free finish, with a soft woolly handle and special shrink-resistance and strength. In this process, the wool is treated with a protease and is then treated at a temperature of between room temperature and 140.degree. C.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: June 25, 1996
    Assignee: Schoeller Hardtrum AG
    Inventors: Luigi Ciampi, Otto Forster, Hans R. Haefely, Franz Knauseder