Granted Patent
Utility
US 6,132,998 · App. 08/981,495
Process for continuously preparing bacterial cellulose
Inventors:
Takaaki Naritomi, Tohru Kouda, Michi Naritomi, Hisato Yano, Fumihiro Yoshinaga
Patented Case
View Patent ↗
Granted: Oct 17, 2000
Filed: Feb 26, 1998
Inventors
Takaaki Naritomi
Tohru Kouda
Michi Naritomi
Hisato Yano
Fumihiro Yoshinaga
Assignee (at issue)
Bio-Polymer Research Co., Ltd.
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.