Granted Patent
Utility
US 4,288,638 · App. 06/122,476
Process for the synthesis of 2,4-dinitro-6-t-butyl-3-methylanisole, referred to as musk ambrette
Inventors:
Helene M. Pascal, Jean-Marie L. Emeury
Patented Case
View Patent ↗
Granted: Sep 8, 1981
Filed: Feb 19, 1980
Inventors
Helene M. Pascal
Jean-Marie L. Emeury
Assignee (at issue)
Societe Nationale des Poudres et Explosifs
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.