Granted Patent
Utility
US 3,972,979 · App. 05/469,804
Method of decomposing halohydrocarbons
Inventor:
Yoichi Kageyama
Patented Case
View Patent ↗
Granted: Aug 3, 1976
Filed: May 14, 1974
Inventor
Yoichi Kageyama
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.
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.