Granted Patent
Utility
US 5,068,459 · App. 07/509,843
Process for producing m-phenoxybenzyl alcohol
Inventors:
Ryu Oi, Shinji Takenaka, Chitoshi Shimakawa
Patented Case
View Patent ↗
Granted: Nov 26, 1991
Filed: Apr 17, 1990
Inventors
Ryu Oi
Shinji Takenaka
Chitoshi Shimakawa
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.