Granted Patent
Utility
US 4,473,655 · App. 06/340,917
Method for the recovery of rhodium complexes
Inventors:
Yoshitoshi Tsunoda, Taisei Tanimura, Chihiro Miyazawa
Patented Case
View Patent ↗
Granted: Sep 25, 1984
Filed: Jan 20, 1982
Inventors
Yoshitoshi Tsunoda
Taisei Tanimura
Chihiro Miyazawa
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.