Granted Patent
Utility
US 5,545,751 · App. 08/358,566
Process for the preparation of 4-methoxy-2,2',6'-Trimethyldiphenylamine
Inventors:
Chiyuki Kusuda, Masayuki Furuya, Masaru Wada, Yoshihiro Irizato, Hiroshi Naruse, Teruyuki Nagata
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Dec 14, 1994
Inventors
Chiyuki Kusuda
Masayuki Furuya
Masaru Wada
Yoshihiro Irizato
Hiroshi Naruse
Teruyuki Nagata
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.