Granted Patent
Utility
US 4,470,930 · App. 06/347,390
Preparation of nuclear chlorinated aromatic compounds
Inventors:
David Y. Tang, Byron R. Cotter, Frederick J. Goetz
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: Feb 9, 1982
Inventors
David Y. Tang
Byron R. Cotter
Frederick J. Goetz
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.