Granted Patent
Utility
US 5,880,178 · App. 08/745,960
Catalyst for low temperature cure of blocked isocyanates
Inventors:
Emily C. Bossert, Wayne Ranbom, William A. Larkin
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Nov 7, 1996
Inventors
Emily C. Bossert
Wayne Ranbom
William A. Larkin
Assignee (at issue)
Elf Atochem North America, 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.