Patents by Inventor Rae M. Saltzstein

Rae M. Saltzstein 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: 5130252
    Abstract: A method for resolving racemic mixtures of compounds having the formula ##STR1## or a pharmaceutically acceptable salt thereof that includes the steps of reacting the OR.sub.3 group of either compound with an esterifying agent in the case where R.sub.3 is H or a lower alkyl group; sujecting the compound to the action of an esterase capable of preferentially hydrolyzing either the (+) or (-) enantiomeric form of the compound; and separating the unhydrolyzed compound from the hydrolyzed compound.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: July 14, 1992
    Assignee: Synthetech, Inc.
    Inventors: Charles R. Eck, Paul C. Ahrens, Rae M. Saltzstein