Granted Patent
Utility
US 4,229,423 · App. 06/010,577
Method of producing magnesium hydroxide
Inventors:
Lloyd M. Housh, William R. Alder
Patented Case
View Patent ↗
Granted: Oct 21, 1980
Filed: Feb 9, 1979
Inventors
Lloyd M. Housh
William R. Alder
Assignee (at issue)
Kaiser Aluminum & 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.