Granted Patent
Utility
US 4,739,102 · App. 07/043,900
Individual beta-form crystals of terakis-(3-(3,5-di-t-butyl-4-hydroxyphenyl)-propionyloxymethyl)-methane and process for its manufacture
Inventor:
Mitsukuni Tokunaga
Patented Case
View Patent ↗
Granted: Apr 19, 1988
Filed: Apr 29, 1987
Inventor
Mitsukuni Tokunaga
Assignee (at issue)
Ciba-Geigy
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.