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.
Patent No.:
Date of Patent:
Mar. 23, 1993
Filed:
Jun. 06, 1991
Applicant:
Inventor:
Farhang F Shadman, Tucson, AZ (US);
Assignee:
Arizona Board of Reagents, Tucson, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ; B01D / ;
U.S. Cl.
CPC ...
502-4 ; 55 16 ; 55158 ; 21050025 ; 264 295 ; 423219 ; 4232451 ; 427249 ; 502 34 ; 502 56 ; 502413 ; 502415 ; 502416 ; 502417 ; 502438 ;
Abstract
A reactive membrane for simultaneous removal of heterogeneous and homogeneous impurities such as moisture, oxygen and organic compounds from gases is provided. The membrane comprises a substrate layer having a plurality of pores therein, at least one layer of carbon on the porous substrate layer and coating the pores thereof, and at least one reactive layer of a metal in reduced form capable of reacting with the impurities and chemically bonded to the carbon layer. A method of forming the same is also provided.