Granted Patent
Utility
US 4,613,677 · App. 06/804,963
One-step hydrogenation/esterification of benzyloxy phenoxy propanoic acid
Inventor:
Stanley B. Mirviss
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Dec 5, 1985
Inventor
Stanley B. Mirviss
Assignee (at issue)
Stauffer Chemical Company
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.