Granted Patent
Utility
US 4,478,968 · App. 06/482,596
Manufacture of resin extended pigments
Inventor:
Edward E. Jaffe
Patented Case
View Patent ↗
Granted: Oct 23, 1984
Filed: Apr 6, 1983
Inventor
Edward E. Jaffe
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.