Granted Patent
Utility
US 5,567,608 · App. 08/370,254
Biocatalysts immobilized in a storage stable copolymer gel
Inventors:
Toshiaki Doi, Hiroyasu Bamba, Kouzou Murao
Patented Case
View Patent ↗
Granted: Oct 22, 1996
Filed: Jan 9, 1995
Inventors
Toshiaki Doi
Hiroyasu Bamba
Kouzou Murao
Assignee (at issue)
Nitto Chemical Industry 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.