Granted Patent
Utility
US 4,505,866 · App. 06/466,576
Process for producing a boehmite shaped product and a burned boehmite shaped product
Inventors:
Yasuo Oguri, Junji Saito, Naoto Kijima
Patented Case
View Patent ↗
Granted: Mar 19, 1985
Filed: Feb 15, 1983
Inventors
Yasuo Oguri
Junji Saito
Naoto Kijima
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.