Granted Patent
Utility
US 4,316,813 · App. 06/175,227
Limestone-based sorbent agglomerates for removal of sulfur compounds in hot gases and method of making
Inventor:
Kenneth E. Voss
Patented Case
View Patent ↗
Granted: Feb 23, 1982
Filed: Aug 4, 1980
Inventor
Kenneth E. Voss
Assignee (at issue)
Engelhard Minerals & Chemicals 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.