LARGE CRYSTAL, ORGANIC-FREE CHABAZITE, METHODS OF MAKING AND USING THE SAME

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United States of America Patent

APP PUB NO 20120269719A1
SERIAL NO

13449230

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There is disclosed a method to synthesize microporous crystalline material comprising a metal containing chabazite having a crystal size greater than 0.5 microns and a silica-to-alumina ratio (SAR) between 5 and 15, wherein the method is carried out without the use of an organic structural directing agent and without requiring calcination. There is also disclosed a large crystal organic free chabazite made according to the disclosed method. In addition, there are disclosed methods of using the disclosed crystalline material, such as in the selective catalytic reduction of NOx in exhaust gases.

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Patent Owner(s)

Patent OwnerAddress
PQ CORPORATIONP O BOX 840 VALLEY FORGE PA 19482-0840

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cooper, David Morrisville, US 81 916
Cormier, William E Harleysville, US 18 222
Li, Hong-Xin Lansdale, US 35 279
Moden, Bjorn Glen Mills, US 16 188

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