Granted Patent
Utility
US 4,760,004 · App. 07/119,525
Thioquinacridones and isothioquinacridones, preparation and use thereof
Inventors:
Alain C. Rochat, Edward E. Jaffe, Jin Mizuguchi
Patented Case
View Patent ↗
Granted: Jul 26, 1988
Filed: Nov 12, 1987
Inventors
Alain C. Rochat
Edward E. Jaffe
Jin Mizuguchi
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.