Granted Patent
Utility
US 4,277,621 · App. 06/083,140
Substituted 11-amino-undeca-4,8-dienal and 11-amino-undecanal derivatives and processes for their preparation
Inventors:
Dieter Reinehr, Josef Pfeifer
Patented Case
View Patent ↗
Granted: Jul 7, 1981
Filed: Oct 9, 1979
Inventors
Dieter Reinehr
Josef Pfeifer
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.