Granted Patent
Utility
US 5,231,217 · App. 07/672,264
Process for the preparation of amine-terminated compounds
Inventors:
Robert P. Yeater, Robson Mafoti, Josef Sanders
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Mar 20, 1991
Inventors
Robert P. Yeater
Robson Mafoti
Josef Sanders
Assignee (at issue)
Miles 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.