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:
Mar. 13, 2001

Filed:

Sep. 01, 1999
Applicant:
Inventors:

Martin Bülow, Basking Ridge, NJ (US);

Chang Jie Guo, Bridgewater, NJ (US);

Dongmin Shen, Berkeley Heights, NJ (US);

Frank R. Fitch, Bedminster, NJ (US);

Arthur I. Shirley, Piscataway, NJ (US);

Virginia A. Malik, Linden, NJ (US);

Assignee:

The BOC Group, Inc., Murray Hill, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 5/3047 ;
U.S. Cl.
CPC ...
B01D 5/3047 ;
Abstract

Ethene is separated from a gas mixture containing ethane by a pressure swing adsorption process carried out at a temperature in the range of about 50 to about 200° C., wherein the adsorption step of the process is conducted by passing the gas mixture through an adsorption zone containing type A zeolite whose exchangeable cations are preferably made up of at least about 60 but not more than 75% sodium ions and more than 25 and up to about 40 percent potassium ions.


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