Mineral oils: processes and products – Refining – Sulfur removal
Reexamination Certificate
2006-11-21
2011-11-01
Caldarola, Glenn (Department: 1771)
Mineral oils: processes and products
Refining
Sulfur removal
C208S120200, C502S353000
Reexamination Certificate
active
08048293
ABSTRACT:
The desulfurization catalyst for catalytic cracked gasoline according to the present invention has high performance in removal of sulfur compounds in gasoline fractions. This catalyst contains particulate vanadium oxide having the average particle diameter in the range from 0.1 to 10 μm at the content in the range from 0.3 to 3 weight % calculated as that of V2O5. The porous spherical particles of inorganic oxide are made of crystalline aluminosilicate zeolite and a porous inorganic oxide matrix, and furthermore contain antimony.
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“Colloid” in Random House Unabridged Dictionary (1997) available at http://dictionary.infoplease.com/colloid.
“Colloid” in Britannica Online Encyclopedia (2010) available at http://www.britannica.com/EBchecked/topic/125898/colloid.
Kato Yoshiaki
Matsumoto Hiroshi
Nonaka Seijiro
Shirozono Kazuo
Boyer Randy
Caldarola Glenn
JGC Catalysts and Chemicals Ltd.
Kanesaka Manabu
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