Granted Patent
Utility
US 5,344,973 · App. 08/087,262
Process for preparation of lithium N-methylamino butyrate
Inventors:
Makoto Wakabayashi, Minoru Senga, Yoshinari Koyama
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Jul 8, 1993
Inventors
Makoto Wakabayashi
Minoru Senga
Yoshinari Koyama
Assignee (at issue)
Idemitsu Petrochemical 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.