Granted Patent
Utility
US 4,298,708 · App. 06/148,098
Aminated alkoxylated aliphatic alcohol salts as polyisocyanurate catalysts
Inventors:
Heinz Schulze, Robert L. Zimmerman, Carter G. Naylor
Patented Case
View Patent ↗
Granted: Nov 3, 1981
Filed: May 9, 1980
Inventors
Heinz Schulze
Robert L. Zimmerman
Carter G. Naylor
Assignee (at issue)
Texaco Development Corporation
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.