Patents by Inventor Alvin C. Rothlisberger

Alvin C. Rothlisberger 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).

  • Coupling of alkali metal-terminated polymers
    Patent number: 4105714
    Abstract: Alkali metal-terminated polymers of one or more alkadienes and of one or more vinyl-substituted aromatic monomers are effectively coupled by trichloro-, tribromo- or triiodo-s-triazine.
    Type: Grant
    Filed: April 19, 1976
    Date of Patent: August 8, 1978
    Assignee: Phillips Petroleum Company
    Inventors: William J. Trepka, Alvin C. Rothlisberger