Patents by Inventor Abdur R. Purkaystha

Abdur R. Purkaystha 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).

  • Calcitonin suppository formulations
    Patent number: 5002771
    Abstract: Disclosed are rectal and vaginal suppository formulations comprising calcitonin and caprylic acid monoglyceride in a pharmaceutically acceptable suppository vehicle.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: March 26, 1991
    Assignee: Rorer Pharmaceutical Corp.
    Inventors: Abdur R. Purkaystha, Gary G. Gazdick, Jay E. Dorrell, Keith C. Mozzone, Howard J. Levin
  • Stabilization of multivitamin/trace elements formulations
    Patent number: 4804535
    Abstract: Disclosed are aqueous multivitamin/trace elements formulations stabilized by a water soluble, organic acid that contains carbon-to-carbon unsaturation and water soluble salts thereof selected from the group consisting of maleic acid, fumaric acid, maleamic acid and acrylic acid.
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: February 14, 1989
    Assignee: Rorer Pharmaceutical Corporation
    Inventors: Morris Kesselman, Abdur R. Purkaystha, James Cahill
  • Stabilization of multivitamin/trace elements formulations
    Patent number: 4740373
    Abstract: Disclosed are aqueous multivitamin/trace elements formulations stabilized by a water soluble, organic acid that contains carbon-to-carbon unsaturation and water soluble salts thereof selected from the group consisting of maleic acid, fumaric acid, maleamic acid and acrylic acid.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: April 26, 1988
    Assignee: USV Pharmaceutical Corporation
    Inventors: Morris Kesselman, Abdur R. Purkaystha, James Cahill