Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard D. Noble0
Shiguang Li0
John L. Falconer0
Date of Patent
January 8, 2008
0Patent Application Number
108051830
Date Filed
March 19, 2004
0Patent Primary Examiner
Patent abstract
SAPO membranes and methods for their preparation and use are described. The SAPO membranes are prepared by contacting at least one surface of a porous membrane support with an aged synthesis gel. A layer of SAPO crystals is formed on at least one surface of the support. SAPO crystals may also form in the pores of the support. SAPO-34 membranes of the invention can have improved selectivity for certain gas mixtures, including mixtures of carbon dioxide and methane.
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