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:
May. 21, 2013
Filed:
Jul. 14, 2009
Edgar S. Sanders, Newark, DE (US);
Sarang Gadre, Bear, DE (US);
Michael D. Bennett, New Castle, DE (US);
Ian C. Roman, Bear, DE (US);
David J. Hasse, Bel Air, MD (US);
Indrasis Mondal, Bear, DE (US);
Edgar S. Sanders, Newark, DE (US);
Sarang Gadre, Bear, DE (US);
Michael D. Bennett, New Castle, DE (US);
Ian C. Roman, Bear, DE (US);
David J. Hasse, Bel Air, MD (US);
Indrasis Mondal, Bear, DE (US);
Abstract
A fast gas is recovered from a feed gas containing a fast gas and at least one slow gas using a gas separation membrane. A controller may control a control valve associated with a partial recycle of a permeate gas from the membrane for combining with the feed gas. A controller may control a control valve associated with the backpressure of a residue gas from the membrane.