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:
Jul. 14, 1998
Filed:
Apr. 23, 1996
Applicant:
Inventors:
Scott Jeffrey Weigel, Goleta, CA (US);
James Edward MacDougall, New Tripoli, PA (US);
Charles Gardner Coe, Macungie, PA (US);
Yan Liang Xiong, Xiamen, CN;
Johan Adriaan Martens, Huldenberg, BE;
Pierre A Jacobs, Gooik, BE;
Paul Anthony Webley, Macungie, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
95 96 ; 95138 ;
Abstract
The present invention is a method of selective adsorptively separating nitrogen from oxygen using a crystalline metallosilicate having a ZSM-2 structure with a Si/Al ratio less than 2.0 and a lithium cation exchange of at least 50%, wherein the composition has the chemical formula: