Patents by Inventor Margot Mack

Margot Mack 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).

  • Hydroxyl group-containing covalently bound polymer separating materials and processes for their preparation
    Patent number: 6136925
    Abstract: The invention relates to separating materials based on supports containing hydroxyl groups, whose surface [sic] are coated with covalently bound polymers, and to processes for their preparation. The separating materials are characterized in that the polymers consist of identical recurring units of the formula I.brket open-st.CH.sub.2 --CHX.brket close-st..sub.n (I)in whichX is CO--NH--CH.sub.2 --CH.sub.2 --SO.sub.3 H andn is 2-100.
    Type: Grant
    Filed: July 22, 1997
    Date of Patent: October 24, 2000
    Assignee: Merck Patent Gesellschaft Mit Beschrankter Haftung
    Inventors: Egbert Muller, Margot Mack, Lothar Britsch
  • Separating materials
    Patent number: 5439979
    Abstract: The invention relates to separating materials for thin-layer chromatography, based on sorbent-coated supports, the sorbent essentially comprising optically active poly(meth)acrylamides bonded to silica gel, and a binder system comprising a mixture of carboxyl-containing polyvinyl and acrylate polymers.
    Type: Grant
    Filed: February 22, 1991
    Date of Patent: August 8, 1995
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Margot Mack, Joachim Kinkel