Granted Patent
Utility
US 4,795,641 · App. 07/087,566
Polymer blends having reverse phase morphology for controlled delivery of bioactive agents
Inventor:
David S. Kashdan
Patented Case
View Patent ↗
Granted: Jan 3, 1989
Filed: Aug 20, 1987
Inventor
David S. Kashdan
Assignee (at issue)
EASTMAN KODAK COMPANY
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.