Granted Patent
Utility
US 4,467,075 · App. 06/520,599
Surface treatment of a solid polymeric material with a reactive gas
Inventor:
Gregorio Tarancon
Patented Case
View Patent ↗
Granted: Aug 21, 1984
Filed: Aug 5, 1983
Inventor
Gregorio Tarancon
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.