Granted Patent
Utility
US 4,367,299 · App. 06/214,308
Process to manufacture crosslinked polymers
Inventors:
Alfred Renner, Theobald Haug
Patented Case
View Patent ↗
Granted: Jan 4, 1983
Filed: Dec 8, 1980
Inventors
Alfred Renner
Theobald Haug
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.