Granted Patent
Utility
US 4,596,644 · App. 06/752,287
Method of polymerization
Inventors:
Christopher P. Banks, Edward Irving
Patented Case
View Patent ↗
Granted: Jun 24, 1986
Filed: Jul 5, 1985
Inventors
Christopher P. Banks
Edward Irving
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.