Patents by Inventor Cornelia Fritz

Cornelia Fritz 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).

  • Patent number: 6255531
    Abstract: The present invention relates to a chemical compound of the formula I where R are, independently of one another, identical or different and are each a halogen atom or a C1-C40-group, X are, independently of one another, identical or different and are each a C1-C40-group, M are, independently of one another, identical or different and are each an element of group IIIa, of the Periodic Table of the Elements, a is an integer from 0 to 10, b is an integer from 0 to 10, c is an integer from 0 to 10 and a=b•c, d is 0 or 1, e is 0 or 1, f is 0 or 1, g is an integer from 0 to 10, h is an integer from 0 to 10, k is an integer from 0 to 10, i is an integer from 0 to 1000, j is an integer from 1 to 6 and is a cation of group Ia, IIa, IIIa or the Periodic Table of the Elements, a carbenium, oxonium or sulfonium cation or a quaternary ammonium compound.
    Type: Grant
    Filed: June 2, 1997
    Date of Patent: July 3, 2001
    Assignee: Targor GmbH
    Inventors: Cornelia Fritz, Frank Küber, Hans Bohnen