Patents by Inventor Andrew Morawiecki

Andrew Morawiecki 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).

  • Collagen-containing sponges as drug delivery compositions for proteins
    Patent number: 5512301
    Abstract: Collagen-containing sponges comprising an absorbable gelatin sponge, collagen, and an active ingredient are disclosed as are methods of enhancing wound healing of external and internal wounds using such sponges.
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: April 30, 1996
    Assignee: Amgen Inc.
    Inventors: Suk-Zu Song, Andrew Morawiecki
  • Multi-layered collagen film compositions for delivery of proteins and methods of using same
    Patent number: 5418222
    Abstract: The present invention relates to single and multiple layer collagen films that are useful for improved sustained release delivery of pharmaceuticals.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: May 23, 1995
    Assignee: Amgen Inc.
    Inventors: Suk-Zu Song, Andrew Morawiecki, Glenn F. Pierce, Colin G. Pitt
  • Collagen-containing sponges as drug delivery compositions for proteins
    Patent number: 5399361
    Abstract: Collagen-containing sponges comprising an absorbable gelatin sponge, collagen, and an active ingredient are disclosed as are methods of enhancing wound healing of external and internal wounds using such sponges.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: March 21, 1995
    Assignee: Amgen Inc.
    Inventors: Suk-Zu Song, Andrew Morawiecki