Granted Patent
Utility
US 4,510,290 · App. 06/455,173
Acid-curable composition containing a masked curing catalyst, and a process for the curing thereof
Inventors:
Rudolf Kirchmayr, Werner Rutsch
Patented Case
View Patent ↗
Granted: Apr 9, 1985
Filed: Jan 3, 1983
Inventors
Rudolf Kirchmayr
Werner Rutsch
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.