Granted Patent
Utility
US 5,917,010 · App. 08/917,378
Preparation process of aliphatic polyester
Inventors:
Kenichi Goto, Yukiko Mori, Michihiko Miyamoto
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Aug 26, 1997
Inventors
Kenichi Goto
Yukiko Mori
Michihiko Miyamoto
Assignee (at issue)
MITSUI CHEMICALS, INC.
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.