Granted Patent
Utility
US 4,745,209 · App. 06/839,213
Method of preparing .alpha.-arylalkanoic esters
Inventors:
Yasumitsu Tamura, Junichi Haruta
Patented Case
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Granted: May 17, 1988
Filed: Mar 13, 1986
Inventors
Yasumitsu Tamura
Junichi Haruta
Assignee (at issue)
Yasumitsu Tamura
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.