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:
Oct. 11, 2005
Filed:
Jun. 01, 2001
Applicant:
Richard A. Callahan, Isle La Motte, VT (US);
Inventor:
Richard A. Callahan, Isle La Motte, VT (US);
Assignee:
Enerfex, Inc., Williston, VT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D053/22 ;
U.S. Cl.
CPC ...
Abstract
An apparatus and process for providing purified natural gas wherein a natural gas feed mixture of hydrocarbons, nitrogen, and other permeable gases is provided to a semi-permeable membrane separator having a relatively higher selectivity for methane and other hydrocarbons and a relatively lower selectivity for nitrogen, to thereby provide a gaseous permeate product enriched in hydrocarbons and diminished in nitrogen.
Callahan, Richard. (2005). Membrane technology to reduce nitrogen in natural gas (U.S. Patent No. 6953492). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6953492
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile