Granted Patent
Utility
US 5,914,381 · App. 08/925,133
Degradable polymer and preparation process of the same
Inventors:
Yuji Terado, Hiroshi Suizu, Chojiro Higuchi, Masanobu Ajioka
Patented Case
View Patent ↗
Granted: Jun 22, 1999
Filed: Sep 8, 1997
Inventors
Yuji Terado
Hiroshi Suizu
Chojiro Higuchi
Masanobu Ajioka
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.