Granted Patent
Utility
US 6,096,884 · App. 09/230,168
Method of production and method of separation of 2,4'-dipyridyl derivatives and methods of production of benzoxazepine derivatives and salts thereof
Inventors:
Toshio Tatsuoka, Katsuhide Kamei
Patented Case
View Patent ↗
Granted: Aug 1, 2000
Filed: Jan 21, 1999
Inventors
Toshio Tatsuoka
Katsuhide Kamei
Assignee (at issue)
SUNTORY HOLDINGS 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.