Granted Patent
Utility
US 5,482,548 · App. 08/328,227
Pigment compositions
Inventors:
John A. Stirling, Edward J. Anderson, Carol Jean Farnocchi
Patented Case
View Patent ↗
Granted: Jan 9, 1996
Filed: Oct 25, 1994
Inventors
John A. Stirling
Edward J. Anderson
Carol Jean Farnocchi
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.