Granted Patent
Utility
US 5,580,765 · App. 08/191,164
Process for producing optically active a-hydroxycarboxylic acid having phenyl group using gordona terrae
Inventors:
Yoshihiro Hashimoto, Takakazu Endo, Koji Tamura, Yuji Hirata
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Feb 3, 1994
Inventors
Yoshihiro Hashimoto
Takakazu Endo
Koji Tamura
Yuji Hirata
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.