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US 12,735,323 B2Granted
GIS-type zeolite
AssigneeAsahi Kasei Kabushiki Kaisha
InventorsTakayuki Akaogi, Atsushi Ohkubo, Saya Tanaka
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Abstract
A GIS-type zeolite having a carbon atom content of 4% by mass or less and a silica-alumina ratio of 4.23 or more, wherein the GIS-type zeolite satisfies at least one of the following conditions (i) and (ii) in a spectrum obtained by X-ray diffraction: (i) when heights of peaks around 2θ=12.45 and 28.07° are respectively defined as A and B, 0.62≤A/B is satisfied; and (ii) when heights of peaks around 2θ=28.07 and 46.04° are respectively defined as B and C, 11.5≤B/C is satisfied.
Claims10
A GIS zeolite having a carbon atom content of 4% by mass or less and a silica-alumina ratio of 4.23 or more,
- wherein the GIS zeolite satisfies at least one of the following conditions (i) and (ii) in a spectrum obtained by X-ray diffraction:
- (i) when heights of peaks around 2θ=12.45 and 28.07° are respectively defined as A and B, 0.62≤A/B is satisfied;
- and
- (ii) when heights of peaks around 2θ=28.07 and 46.04° are respectively defined as B and C, 11.5≤B/C is satisfied.
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Dependencies are inferred from the claim text.