Granted Patent
Utility
US 5,847,011 · App. 08/759,953
Degradable copolymer and preparation process thereof
Inventors:
Yuji Terado, Chojiro Higuchi, Masanobu Ajioka
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Dec 3, 1996
Inventors
Yuji Terado
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.