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US Patent 7527670 Method and apparatus for gas purification

Patent 7527670 was granted and assigned to Praxair on May, 2009 by the United States Patent and Trademark Office.

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Patent Citations Received
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US Patent 12059647 Adsorbent materials and methods of adsorbing carbon dioxide
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US Patent 11857913 Apparatus and system for swing adsorption processes
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Patent Inventor Names
Gregory William Henzler0
Himanshu Saxena0
Jeffert John Nowobilski0
Mark William Ackley0
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Patent abstract

This invention comprises an adsorption process for the removal of at least N2O from a feed gas stream that also contains nitrogen and possibly CO2 and water. In the process the feed stream is passed over adsorbents to remove impurities such as CO2 and water, then over an additional adsorbent having a high N2O/N2 separation factor. In a preferred mode the invention is an air prepurification process for the removal of impurities from air prior to cryogenic separation of air. An apparatus for operating the process is also disclosed.

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US Patent 11707729 Self-supporting structures having active materials
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US Patent 11685673 Systems and methods for removal of carbon dioxide from seawater
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=075276700
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US Patent 07527670 Method and apparatus for gas purification US Patent 7527670 Method and apparatus for gas purification

Infobox
Patent Number
075276700
Patent Number
75276700
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Infobox
Is a
Patent
Patent
0
Current Assignee
Praxair
Praxair
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
075276700
Date of Patent
May 5, 2009
0
Patent Application Number
104993600
Date Filed
December 19, 2002
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=075276700
Patent Primary Examiner
‌
Frank M Lawrence, Jr.
0
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07527670
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 US Patent 07527670 Method and apparatus for gas purification

Infobox
Is a
Patent
Patent
Current assignee
Praxair
Praxair
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07527670
Date of patent
May 5, 2009
Patent application number
10499360
Date Filed
December 19, 2002
Patent primary examiner
‌
Frank M Lawrence, Jr.

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