Granted Patent
Utility
US 4,377,533 · App. 06/250,852
Process for introducing alkyl radicals into carbon chains having a functional group and compounds prepared by said process
Inventors:
Michel Bouisset, Michel Chignac, Claude Grain, Charles Pigerol
Patented Case
View Patent ↗
Granted: Mar 22, 1983
Filed: Apr 3, 1981
Inventors
Michel Bouisset
Michel Chignac
Claude Grain
Charles Pigerol
Assignee (at issue)
Sanofi
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.