Granted Patent
Utility
US 5,783,736 · App. 08/938,551
Process for amines
Inventors:
Randall Wayne Stephens, Renee Caroline Roemmele
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Sep 26, 1997
Inventors
Randall Wayne Stephens
Renee Caroline Roemmele
Assignee (at issue)
Rohm and Haas Company
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.