Granted Patent
Utility
US 5,382,517 · App. 08/020,446
Process for the preparation of L-serine by an enzymatic method
Inventors:
Daisuke Ura, Tadashi Hashimukai, Toshio Matsumoto, Nobuhiro Fukuhara
Patented Case
View Patent ↗
Granted: Jan 17, 1995
Filed: Feb 22, 1993
Inventors
Daisuke Ura
Tadashi Hashimukai
Toshio Matsumoto
Nobuhiro Fukuhara
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.