Granted Patent
Utility
US 5,326,702 · App. 07/791,523
Biological process for producing .alpha.-hydroxyamide or .alpha.-hydroxy acid
Inventors:
Takakazu Endo, Tomohide Yamagami, Koji Tamura
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Nov 14, 1991
Inventors
Takakazu Endo
Tomohide Yamagami
Koji Tamura
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.