Granted Patent
Utility
US 5,194,539 · App. 07/738,919
Organosulfur chain transfer agents for emulsion copolymerization
Inventors:
Dominique Charmot, Nicole Oger
Patented Case
View Patent ↗
Granted: Mar 16, 1993
Filed: Aug 1, 1991
Inventors
Dominique Charmot
Nicole Oger
Assignee (at issue)
RHONE-POULENC CHIMIE
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.