Granted Patent
Utility
US 5,705,382 · App. 08/542,291
Method for preserving nitrile hydratase or nitrilase activity of microbial cells with inorganic salts
Inventors:
Takakazu Endo, Toshiaki Doi, Koji Tamura, Yuji Hirata, Kouzo Murao
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Oct 12, 1995
Inventors
Takakazu Endo
Toshiaki Doi
Koji Tamura
Yuji Hirata
Kouzo 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.