Granted Patent
Utility
US 4,294,764 · App. 06/106,434
N-(Optionally substituted 1,3-dioxolan- or dioxan-2-ylmethyl)-N-alkyl, alkenyl, or alkynyl-2,2-dichloroacetamides
Inventor:
Jay K. Rinehart
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Dec 26, 1979
Inventor
Jay K. Rinehart
Assignee (at issue)
PPG Industries, Inc.
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.