Patents by Inventor James R. Hauske

James R. Hauske 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).

  • 9-Dihydro-11,12-ketal derivatives of erythromycin A and epi-erythromycin A
    Patent number: 4382086
    Abstract: Antibacterial macrolides derived from 9-dihydro-11,12-O-isopropylidene-erythromycin A and 9-dihydro-11,12-O-isopropylidene-4"-epi-erythromycin A.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: May 3, 1983
    Assignee: Pfizer Inc.
    Inventors: Frank C. Sciavolino, James R. Hauske
  • 3",4"-Oxyallylene erythromycin and oleandomycin, composition and method of use
    Patent number: 4363803
    Abstract: The reaction product of dimethyl diazomethylphosphonate with 4"-deoxy-4"-oxo-oleandomycin and erythyromycin A derivatives as antibacterial agents.
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: December 14, 1982
    Assignee: Pfizer Inc.
    Inventor: James R. Hauske