Patents by Inventor Willy Leyser

Willy Leyser 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).

  • Patent number: 4940047
    Abstract: Textile sheet-like structure impregnated or coated with water-hardening synthetic resin, said textile comprising organic fibers with an elasticity modulus of 200 to 2500 daN/mm.sup.2 and having an extensibility in the longitudinal direction of at least 10% before hardening of said resin is useful in preparing orthopaedic support dressings, containers, filters, pipes, reinforcing material, stiffening material, filler or sealer material for hollow spaces or joints, insulating material, in preparing decorative and artistic articles.
    Type: Grant
    Filed: June 17, 1988
    Date of Patent: July 10, 1990
    Assignees: Bayer Aktiengesellschaft, Karl Otto Braun KG
    Inventors: Roland Richter, Wolfram Mayer, Gunter Langen, Willy Leyser