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. 24, 1998
Filed:
Dec. 18, 1996
Applicant:
Inventors:
Stephen Frederic Yates, Arlington Heights, IL (US);
Romulus Gaita, Morton Grove, IL (US);
Amar Ramachandra, Bensenville, IL (US);
Robert Morrell, Des Plaines, IL (US);
Assignee:
AlliedSignal Inc., Morristown, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
95 96 ; 95103 ; 95131 ; 95135 ;
Abstract
The present invention relates to a process for recovering sulfur hexafluoride ('SF.sub.6 '). More specifically, the invention provides a pressure swing adsorption--desorption process for recovering SF.sub.6 from a gas stream using zeolites, activated carbons, or silicalites to adsorb the SF.sub.6.