Granted Patent
Utility
US 5,502,116 · App. 08/472,353
Biodegradable copolymers and plastic articles comprising biodegradable copolymers of 3-hydroxyhexanoate
Inventor:
Isao Noda
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Jun 7, 1995
Inventor
Isao Noda
Assignee (at issue)
The Procter & Gamble 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.