Granted Patent
Utility
US 5,238,827 · App. 07/677,176
Process for preparing glycine from glycinonitrile
Inventors:
Hitoshi Shimizu, Chiharu Fujita, Takakazu Endo, Ichiro Watanabe
Patented Case
View Patent ↗
Granted: Aug 24, 1993
Filed: Mar 29, 1991
Inventors
Hitoshi Shimizu
Chiharu Fujita
Takakazu Endo
Ichiro Watanabe
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.