Chemistry of inorganic compounds – Sulfur or compound thereof – Oxygen containing
Reexamination Certificate
2011-03-01
2011-03-01
Vanoy, Timothy C (Department: 1793)
Chemistry of inorganic compounds
Sulfur or compound thereof
Oxygen containing
C423S549000, C423S550000
Reexamination Certificate
active
07897133
ABSTRACT:
The present invention is directed to the conversion of gas streams comprising ammonia, hydrogen sulfide, and water in the form of liquids or gases that are generated by petroleum refineries and coke ovens to beneficiary agriculture products, by forming ammonium sulfide and then converting the ammonium sulfide, using sulfuric acid, to pure ammonium sulfate.
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Hojjatie Michael Massoud
Kominski Harry Charles
Pustilnik Anatoly
Fennemore Craig P.C.
Rosenfield Susan Stone
Tessenderlo Kerley, Inc.
Vanoy Timothy C
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