Granted Patent
Utility
US 4,301,075 · App. 06/067,863
N-Substituted imides and bis-imides
Inventors:
Dieter Lohmann, Martin Roth, Marcus Baumann
Patented Case
View Patent ↗
Granted: Nov 17, 1981
Filed: Aug 20, 1979
Inventors
Dieter Lohmann
Martin Roth
Marcus Baumann
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.