Patents Examined by T. MacDonald, Jr.
  • Patent number: 4914159
    Abstract: The invention relates to optically active homo- and copolymers made from optically active (meth)acrylamides, the polymers being immobilized on silica gel, a process for their preparation, and their use as adsorbents, in particular as the stationary phase for chromatographic racemate resolution.
    Type: Grant
    Filed: March 1, 1988
    Date of Patent: April 3, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bruno Bomer, Rolf Grosser, Ulrich Schwartz, Dieter Arlt, Karl-Erwin Piejko