Granted Patent
Utility
US 4,960,577 · App. 07/152,073
Enhanced sorbent injection combined with natural gas reburning for a sox control for coal fired boilers
Inventors:
Tsvetan I. Torbov, Howard B. Mason
Patented Case
View Patent ↗
Granted: Oct 2, 1990
Filed: Feb 4, 1988
Inventors
Tsvetan I. Torbov
Howard B. Mason
Assignee (at issue)
Acurex 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.