Granted Patent
Utility
US 5,258,550 · App. 07/720,825
Process for preparing glycine
Inventors:
Kenji Fujiwara, Nobutaka Ueda, Yuuji Matsuu, Hiroshi Kato, Atsuhiko Hiai
Patented Case
View Patent ↗
Granted: Nov 2, 1993
Filed: Jul 8, 1991
Inventors
Kenji Fujiwara
Nobutaka Ueda
Yuuji Matsuu
Hiroshi Kato
Atsuhiko Hiai
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.