Granted Patent
Utility
US 5,401,796 · App. 08/219,344
Aliphatic polyester and preparation process thereof
Inventors:
Takeshi Kashima, Taiji Kameoka, Chojiro Higuchi, Masanobu Ajioka, Akihiro Yamaguchi
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Mar 29, 1994
Inventors
Takeshi Kashima
Taiji Kameoka
Chojiro Higuchi
Masanobu Ajioka
Akihiro Yamaguchi
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.