Granted Patent
Utility
US 4,281,103 · App. 06/116,355
Dicarboxylic acids containing triazine rings, and polyesters formed from these dicarboxylic acids
Inventors:
Thomas Kainmuller, Jurgen Habermeier, Lothar Buxbaum
Patented Case
View Patent ↗
Granted: Jul 28, 1981
Filed: Jan 28, 1980
Inventors
Thomas Kainmuller
Jurgen Habermeier
Lothar Buxbaum
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.