Granted Patent
Utility
US 4,435,497 · App. 06/385,601
Carboxyl-containing compositions and their polymerization
Inventor:
Edward Irving
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Jun 7, 1982
Inventor
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.