Patents by Inventor Walter A. Strathy

Walter A. Strathy 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).

  • Novel controlled release formulations of tetracycline compounds
    Patent number: 4837030
    Abstract: Pharmaceutical compositions comprising spherical granules including thereon or therein a 7- or 9-akylamino-6-deoxy-6-demethyltetracycline or an acid-addition salt thereof blended with at least one excipient are adapted to control the rate of drug release in the stomach and in the intenstine in order not to produce nausea or dizziness upon oral administration during antibacterial therapy.
    Type: Grant
    Filed: October 6, 1987
    Date of Patent: June 6, 1989
    Assignee: American Cyanamid Company
    Inventors: Joseph J. Valorose, Jr., Raymond J. Biehl, Nitin V. Sheth, Walter A. Strathy, Michael K. Doelling