Granted Patent
Utility
US 4,423,064 · App. 06/278,721
Biocidal esters of alkynoic acids
Inventor:
Thomas N. Wheeler
Patented Case
View Patent ↗
Granted: Dec 27, 1983
Filed: Jun 29, 1981
Inventor
Thomas N. Wheeler
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.