Patents by Inventor John Carl Falk

John Carl Falk 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).

  • Chlorinated, hydrogenated polybutadiene impact modifiers for PVC
    Patent number: 4075289
    Abstract: High-vinyl polybutadiene, when fully hydrogenated and then photo-chlorinated to a level of 15 to 40 wt% chlorine, is an impact modifier for PVC. Blends with PVC have high impact, good flow properties and are weatherable.
    Type: Grant
    Filed: November 22, 1976
    Date of Patent: February 21, 1978
    Assignee: Borg-Warner Corporation
    Inventor: John Carl Falk