Patents by Inventor Cynthia A. Oksanen

Cynthia A. Oksanen 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).

  • Controlled-Release of an active substance into a high fat environment
    Publication number: 20040121015
    Abstract: A controlled release delivery composition which can be administered to a high fat use environment such as the human gastrointestinal tract following a high fat meal. The delivery composition is embodied as a core surrounded by an asymmetric polymeric membrane. In a preferred embodiment, the asymmetric polymeric membrane is cellulose acetate.
    Type: Application
    Filed: December 3, 2003
    Publication date: June 24, 2004
    Applicant: Pfizer Inc
    Inventors: Mark B. Chidlaw, Dwayne T. Friesen, Scott M. Herbig, James A.S. Nightingale, Cynthia A. Oksanen, James B. West
  • Combination dosage form comprising cetirizine and pseudoephedrine
    Patent number: 6537573
    Abstract: A dosage form containing cetirizine as an immediate release component and pseudoephedrine or a pharmaceutically acceptable salt thereof as a controlled release component. A portion of the pseudoephedrine can also be incorporated as an immediate release component. The dosage form is free of alcohols having a molecular weight lower than 100 and reactive derivatives thereof.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: March 25, 2003
    Assignee: Pfizer Inc
    Inventors: Barbara A. Johnson, Richard W. Korsmeyer, Cynthia A. Oksanen
  • Combination dosage form comprising cetirizine and pseudoephedrine
    Publication number: 20020012700
    Abstract: A dosage form containing cetirizine as an immediate release component and pseudoephedrine or a pharmaceutically acceptable salt thereof as a controlled release component. A portion of the pseudoephedrine can also be incorporated as an immediate release component. The dosage form is free of alcohols having a molecular weight lower than 100 and reactive derivatives thereof.
    Type: Application
    Filed: January 5, 2001
    Publication date: January 31, 2002
    Inventors: Barbara A. Johnson, Richard W. Korsmeyer, Cynthia A. Oksanen
  • Combination dosage form comprising cetirizine and pseudoephedrine
    Patent number: 6171618
    Abstract: A dosage form containing cetirizine as an immediate release component and pseudoephedrine or a pharmaceutically acceptable salt thereof as a controlled release component. A portion of the pseudoephedrine can also be incorporated as an immediate release component. The dosage form is free of alcohols having a molecular weight lower than 100 and reactive derivatives thereof.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: January 9, 2001
    Assignee: Pfizer Inc.
    Inventors: Barbara A. Johnson, Richard W. Korsmeyer, Cynthia A. Oksanen