Granted Patent
Utility
US 4,336,332 · App. 06/118,282
Process for the manufacture of hydroxylated steroids
Inventors:
Mitsuhiko Fujiwara, Akiko Fujiwara, Chikara Miyamoto
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Feb 4, 1980
Inventors
Mitsuhiko Fujiwara
Akiko Fujiwara
Chikara Miyamoto
Assignee (at issue)
HOFFMANN-LA ROCHE INC.
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.