Granted Patent
Utility
US 6,166,221 · App. 09/511,782
Production method of optically active imidazole compound, synthetic intermediate therefor and production method thereof
Inventors:
Kazuyuki Kawasaki, Haruhito Kobayashi, Syuji Ehara, Hideaki Sato
Patented Case
View Patent ↗
Granted: Dec 26, 2000
Filed: Feb 23, 2000
Inventors
Kazuyuki Kawasaki
Haruhito Kobayashi
Syuji Ehara
Hideaki Sato
Assignee (at issue)
Yoshitomi Pharmaceutical Industries, 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.