Granted Patent
Utility
US 4,239,878 · App. 06/037,891
Process for preparing cationic electrodeposition-coating resin using monofunctional blocking agents and tertiary amines having at least two hydroxy groups
Inventors:
Yoshimichi Kobayashi, Yukio Tsuge, Susumu Hirako
Patented Case
View Patent ↗
Granted: Dec 16, 1980
Filed: May 10, 1979
Inventors
Yoshimichi Kobayashi
Yukio Tsuge
Susumu Hirako
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.