Patents Examined by Nancy J. Gromet-Degen - Justia Patents Search

Patents Examined by Nancy J. Gromet-Degen

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