Granted Patent
Utility
US 4,298,482 · App. 06/050,383
Low temperature process of preparing Mg(OH).sub.2 suspensions
Inventors:
William J. Cheng, David B. Guthrie
Patented Case
View Patent ↗
Granted: Nov 3, 1981
Filed: Jun 20, 1979
Inventors
William J. Cheng
David B. Guthrie
Assignee (at issue)
Petrolite 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.