Patents by Inventor Frank Claussen

Frank Claussen 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).

  • &agr;, &ohgr;-methacrylate terminated macromonomer compounds
    Patent number: 6353061
    Abstract: A &agr;,&ohgr;-methacrylate terminated epoxide-carboxylic acid macromonomer compound formed by reaction of at least one diepoxide, at least one dicarboxylic acid and at least one unsaturated mono-carboxylic acid and having the general formula 1: wherein R is an aromatic moiety formed from a diepoxide R′ is a substituted or unsubstituted aliphatic, araliphatic, cycloaliphatic or aromatic moiety formed from a dicarboxylic acid, R″ is hydrogen, a substituted or unsubstituted aliphatic, araliphatic, aromatic or cycloaliphatic moiety formed from a mono-carboxylic acid, and n is an integer from 1 to 20.
    Type: Grant
    Filed: April 4, 1996
    Date of Patent: March 5, 2002
    Assignee: Dentsply GmbH
    Inventors: Joachim E. Klee, Hans-Heinrich Hörhold, Frank Claussen