Patents by Inventor Hans Graff

Hans Graff 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).

  • Crosslinkable fluorine-containing copolymers, surface-coatings based on these copolymers, and the use thereof
    Patent number: 4584343
    Abstract: Crosslinkable fluorine-containing copolymers comprising copolymerized units of(a) a vinyl ester of a heavily branched carboxylic acid,(b) a vinyl ester of a short-chain carboxylic acid and(c) of a fluoroolefin, the vinyl ester groups of component (b) having been converted into OH groups by solvolysis of the copolymer. The copolymers are suitable for coating purposes of any type, in particular as binders in surface-coating systems for industrial surface-coatings.
    Type: Grant
    Filed: December 27, 1984
    Date of Patent: April 22, 1986
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Gernot Lohr, Josef Mondt, Hans Graff