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:
Sep. 18, 2001
Filed:
Jul. 29, 1999
Karine Ragil, Rueil-Malmaison, FR;
Michel Thomas, Rueil-Malmaison, FR;
Sophie Jullian, Rueil-Malmaison, FR;
Institut Francais du Petrole, Rueil-Malmaison cedex, FR;
Abstract
A method and plant to process a fluid comprising one or more compounds G,having a kinetic diameter less than or equal to that of nitrogen and one or more compounds G,having a kinetic diameter greater than or equal to that of methane. The method and plant use in combination, several adsorption and desorption stages during which a first stream F,mainly comprising compounds G,, a second stream F,enriched in compounds G,, a third stream F,mainly comprising compounds G,and a fourth stream F,mainly comprising compounds G,are produced. At least a fraction of stream F,is used to flush adsorption section A,.