APPARATUS FOR PREVENTING MICROPARTICLE AND DUST MIGRATION IN LAYERED BED PURIFICATION DEVICES

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Jul 15, 2015
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Aug 28, 2013
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Sep 10, 2012

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Abstract

The invention relates to an expandable media-retaining ring comprising an expandable ring and a gas permeable media-retaining membrane. The invention further relates to a gas purifier device comprising two or more beds of purification media and an expandable media-retaining ring. The expandable media-retaining ring is secured by radial force in the device, and prevents migration of purification media into adjacent beds, thereby improving the performance of the purifier device, and also enabling the device to be used in any orientation.

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ENTEGRIS INC	USMINN

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MURPHY DAIMHIN P	SAN DIEGO CA 92109
SRIVASTAVA ABNEESH	SAN DIEGO CA 92126
SHOGREN PETER K	CHULA VISTA CA 91911
DA COSTA PEREIRA STENIO	SAN DIEGO CA 92131

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2892632

APPARATUS FOR PREVENTING MICROPARTICLE AND DUST MIGRATION IN LAYERED BED PURIFICATION DEVICES

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APPARATUS FOR PREVENTING MICROPARTICLE AND DUST MIGRATION IN LAYERED BED PURIFICATION DEVICES

European Patent Office Patent

13765826

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13765826

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