Granted Patent
Utility
US 5,144,083 · App. 07/591,637
Process for producing p-hydroxyneophyl m-phenoxybenzyl ether
Inventors:
Hideyuki Akieda, Naoki Sato, Koichi Morinaga, Yoshinori Ide, Ryuichi Mita, Mitsumasa Umemoto
Patented Case
View Patent ↗
Granted: Sep 1, 1992
Filed: Oct 2, 1990
Inventors
Hideyuki Akieda
Naoki Sato
Koichi Morinaga
Yoshinori Ide
Ryuichi Mita
Mitsumasa Umemoto
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.