Patents by Inventor Kerstin Schmalz

Kerstin Schmalz 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).

  • Alternating copolymers, a process for their preparation, and a method of use thereof
    Patent number: 4988787
    Abstract: The invention relates to alternating copolymers having the formula ##STR1## wherein one of R.sup.1, R.sup.2, and R.sup.3 in each repeating unit is hydrogen and the others of R.sup.1, R.sup.2, and R.sup.3 in each repeating unit are CN or COOR.sup.5, wherein R5 is C.sub.1 -C.sub.8 alkyl; and n is from 10 to 5,000. This invention further relates to a process for preparing such alternating copolymers by copolymerization of appropriate alkenyl isocyanates and electron deficient olefins.
    Type: Grant
    Filed: June 4, 1990
    Date of Patent: January 29, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Werner Mormann, Kerstin Schmalz