The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 30, 2004

Filed:

Oct. 29, 2002
Applicant:
Inventors:

Tadaharu Watanabe, Superior, CO (US);

Dan Fraenkel, Ponca City, OK (US);

Robert Torres, Jr., Parker, CO (US);

Assignee:

Matheson Tri-Gas, Longmont, CO (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 5/302 ;
U.S. Cl.
CPC ...
B01D 5/302 ;
Abstract

Regenerable gas purifier materials are provided capable of reducing the level of contaminants such as oxygen and water in an inert, nonreactive or reactive gas stream to parts-per-billion levels or sub-parts-per-billion levels. The purifier materials of this invention comprise a thin layer of one or more reduced forms of a metal oxide coated on the surface of a nonreactive substrate. The thin layer may further contain the completely reduced form of the metal.


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Watanabe, Tadaharu. (2004). Materials and methods for the purification of inert, nonreactive, and reactive gases (U.S. Patent No. 6824589). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6824589

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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