Granted Patent
Utility
US 4,486,576 · App. 06/370,825
High-temperature, aromatic coating materials from aryl polyhalides
Inventors:
Ismael Colon, Charles N. Merriam
Patented Case
View Patent ↗
Granted: Dec 4, 1984
Filed: Apr 22, 1982
Inventors
Ismael Colon
Charles N. Merriam
Assignee (at issue)
Union Carbide 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.