Granted Patent
Utility
US 4,367,348 · App. 06/195,736
Novel trifluoromethyl benzal chlorides and process for the preparation thereof
Inventors:
R. Simon-Bierenbaum, David Y. Tang
Patented Case
View Patent ↗
Granted: Jan 4, 1983
Filed: Oct 10, 1980
Inventors
R. Simon-Bierenbaum
David Y. Tang
Assignee (at issue)
Occidental Chemical 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.