Patents by Inventor James R. Poulsen

James R. Poulsen 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).

  • Process of preparing enriched enantiomers of glycerol carbonate and derivatives thereof for synthesis of .beta.-blockers
    Patent number: 5326885
    Abstract: Enriched enantiomers of glycerol Carbonate are produced under the influence of a hydrolytic enzyme, either by selective esterification of racemic glycerol carbonate or by selective hydrolysis of an ester of the racemate. The enriched enantiomeric product is readily converted to starting materials and intermediates useful in the synthesis of enantiomerically pure therapeutic agents, such as .beta.-adrenergic blockers.
    Type: Grant
    Filed: October 21, 1993
    Date of Patent: July 5, 1994
    Assignee: Cognis, Inc.
    Inventors: Alan G. Olivero, Jonathan M. Cassel, James R. Poulsen