Patents by Inventor Michaela Gedan

Michaela Gedan 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).

  • Amorphous polyesterimides which can be processed as thermoplastics
    Patent number: 5369209
    Abstract: The invention relates to amorphous polyesterimides which comprises 50 to 100 mole-% of units of formula II ##STR1## and from 0 to 50 mole-% of units of formula ##STR2## in which units R.sub.1 and R.sub.2, independentlyof one another, are H, branched or unbranched alkyl radicals having 1 to 6 carbon atoms, branched or unbranched alkoxy radicals having 1 to 6 carbon atoms, or F, Cl or Br.The polyesterimides according to the invention are suitable for the production of molding compositions, moldings, fibers and films.
    Type: Grant
    Filed: August 3, 1993
    Date of Patent: November 29, 1994
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Horst-Tore Land, Michaela Gedan, Manfred Ratzsch, Frank Bohme