Granted Patent
Utility
US 5,281,649 · App. 07/955,878
Hydroxyalkanoate polymer composition
Inventors:
Sally J. Organ, Peter J. Barham, Andrew Webb
Patented Case
View Patent ↗
Granted: Jan 25, 1994
Filed: Feb 11, 1993
Inventors
Sally J. Organ
Peter J. Barham
Andrew Webb
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.