Granted Patent
Utility
US 5,444,107 · App. 07/917,351
Degradable polymer composition
Inventors:
Masanobu Ajioka, Katashi Enomoto, Akihiro Yamaguchi, Hosei Shinoda
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Jul 23, 1992
Inventors
Masanobu Ajioka
Katashi Enomoto
Akihiro Yamaguchi
Hosei Shinoda
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.