Patents by Inventor Stefan Kilian Friedrich

Stefan Kilian Friedrich 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).

  • Linear vinylene carbonate/1-olefin copolymer and articles formed therefrom
    Patent number: 6143857
    Abstract: Substantially linear vinylene carbonate/1-olefin copolymers, a process of forming the same, and packaging materials incorporating the same are described. These copolymers are formed by reacting the component monomers in the presence of a single component, non-ionic polymerization catalyst at relatively low temperatures and pressures.
    Type: Grant
    Filed: March 23, 1999
    Date of Patent: November 7, 2000
    Assignee: Cryovac, Inc.
    Inventors: Donald Albert Bansleben, Stefan Kilian Friedrich, Robert Howard Grubbs, Robert Tan Li, Chunming Wang, Todd Ross Younkin