Granted Patent
Utility
US 4,620,015 · App. 06/521,895
Synthesis of .beta.-((2-methylpropoxy)methyl)-N-phenyl-N-(phenylmethyl)-1-pyrrolidine ethanamine
Inventor:
Frank J. Stiefel
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Aug 10, 1983
Inventor
Frank J. Stiefel
Assignee (at issue)
Carter Wallace, Inc.
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.