Granted Patent
Utility
US 5,908,955 · App. 09/000,716
Process for producing alkyl 3-amino-4-substituted benzoates
Inventors:
Jun-ichi Kayasato, Shingo Sato
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Dec 30, 1997
Inventors
Jun-ichi Kayasato
Shingo Sato
Assignees (at issue)
SANKIO CHEMICAL CO., LTD.
Fujitsu Limited
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.