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:
Feb. 15, 2000
Filed:
Apr. 17, 1998
Martin Bulow, Basking Ridge, NJ (US);
Chang Jie Guo, Bridgewater, NJ (US);
Dongmin Shen, Chatham, NJ (US);
Frank R Fitch, Bedminster, NJ (US);
Arthur I Shirley, Piscataway, NJ (US);
Alberto I La Cava, Guttenberg, NJ (US);
Silvia Beatriz Dougill, London, GB;
Jonathan Paul Brooks, Godalming, GB;
The BOC Group, Inc., Murray Hill, NJ (US);
Abstract
Carbon dioxide is separated from gaseous hydrocarbons by a cyclic adsorption process using at a temperature in the range of about -50 to about 200.degree. C., wherein the adsorption step of the process is conducted by passing the gas mixture through an adsorption zone containing carbon molecular sieve or type A zeolite whose exchangeable cations are made up of about 50 to about 90% sodium ions and about 10 to about 50 percent potassium ions.