Patents by Inventor Otfried Lorcher

Otfried Lorcher 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).

  • Shaped articles on the basis of vinyl chloride polymers having an increased white fracture effect
    Patent number: 4082711
    Abstract: The present invention provides a process for the manufacture of shaped articles, especially films and sheets, having an increased white fracture effect. These articles are obtained with the use of molding compositions on the basis of vinyl chloride polymers containing from 5 to 25% by weight of elastomers and from 3 to 10% by weight of plasticizers, each relative to the total mixture.
    Type: Grant
    Filed: October 19, 1976
    Date of Patent: April 4, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hans-Joachim Andrascheck, Otfried Lorcher, Erich Zentner