Granted Patent
Utility
US 5,451,697 · App. 08/173,010
Process for preparing isocyanates
Inventors:
William D. McGhee, Mark D. Paster, Dennis P. Riley, Kenneth Ruettimann, A. John Solodar, Thomas E. Waldman
Patented Case
View Patent ↗
Granted: Sep 19, 1995
Filed: Dec 27, 1993
Inventors
William D. McGhee
Mark D. Paster
Dennis P. Riley
Kenneth Ruettimann
A. John Solodar
Thomas E. Waldman
Assignee (at issue)
Monsanto 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.