Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Sulfur or compound containing same
Reexamination Certificate
2005-02-22
2005-02-22
Bell, Mark L. (Department: 1755)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Sulfur or compound containing same
C502S305000, C502S308000, C502S309000, C502S311000, C423S544000, C423S548000, C423S554000, C423S559000, C423S593100, C423S595000, C423S598000, C423S606000, C423S608000, C423S610000, C423S619000, C588S253000, C588S253000, C588S253000, C588S249000
Reexamination Certificate
active
06858562
ABSTRACT:
A catalyst of a water insoluble vanadyl sulfate or a complex catalyst, in which a specific oxide and a specific sulfate are combined to the water insoluble vanadyl sulfate are excellent not only in their activity, durability and SO2resistance, not only in substantially no oxidization of SO2to SO3as in HCl resistant. Therefore, using this catalyst, a decomposition treatment of an organic halide(s) can be carried out with high efficiency and good stability. In particular, a efficient decomposition treatment of an organic halides(s) can be carried out also in the cases that dust is coexist; the gas to be treated contains SOXor HCl; or they generate in the decomposition area.
REFERENCES:
patent: 4225462 (1980-09-01), Umemura et al.
patent: 4378338 (1983-03-01), Imanari et al.
patent: 4466947 (1984-08-01), Imanari et al.
patent: 5292704 (1994-03-01), Lester
patent: 55-18245 (1980-02-01), None
patent: 59-59249 (1984-04-01), None
patent: 61-204040 (1986-09-01), None
patent: 2001-162170 (2001-06-01), None
Verified English translation of JP 61-204040 published Sep. 10, 1986.
Fujita Kenji
Takasu Isao
Bell Mark L.
Burns Doane , Swecker, Mathis LLP
Hailey Patricia L.
Mitsui Chemicals Inc.
UBE Industries Ltd.
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