Granted Patent
Utility
US 5,770,672 · App. 08/826,603
Catalyst for low temperature cure of blocked isocyanates
Inventors:
Melvin H. Gitlitz, Sri R. Seshadri
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: Apr 3, 1997
Inventors
Melvin H. Gitlitz
Sri R. Seshadri
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.