Granted Patent
Utility
US 4,592,774 · App. 06/564,376
Herbicidal alpha heterocyclic carbinol carbamates, ureas and N-alpha-substituted acetylcarbamates
Inventors:
Tai-Teh Wu, Jamin Huang, David Treadway Manning
Patented Case
View Patent ↗
Granted: Jun 3, 1986
Filed: Dec 22, 1983
Inventors
Tai-Teh Wu
Jamin Huang
David Treadway Manning
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.