Granted Patent
Utility
US 5,409,751 · App. 08/032,284
Degradable container
Inventors:
Kazuhiko Suzuki, Takayuki Watanabe, Yasuhiro Kitahara, Masanobu Ajioka
Patented Case
View Patent ↗
Granted: Apr 25, 1995
Filed: Mar 17, 1993
Inventors
Kazuhiko Suzuki
Takayuki Watanabe
Yasuhiro Kitahara
Masanobu Ajioka
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.