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.

Date of Patent:
Oct. 27, 2026

Filed:

Sep. 30, 2024
Applicant:

Air Liquide Advanced Technologies U.s. Llc, Houston, TX (US);

Inventors:

Alexander S. Augustine, Newark, DE (US);

Nagaraju Palla, Houston, TX (US);

Paul Terrien, Syracuse, NY (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); C10L 3/10 (2006.01);
U.S. Cl.
CPC ...
C10L 3/103 (2013.01); B01D 53/22 (2013.01); C10L 3/104 (2013.01); B01D 2256/245 (2013.01); B01D 2257/304 (2013.01); B01D 2257/702 (2013.01); B01D 2257/7022 (2013.01); C10L 2290/06 (2013.01); C10L 2290/548 (2013.01);
Abstract

A mixed membrane system for producing a conditioned fuel gas from a high-pressure raw fuel gas that contains methane, CO, HS, N, ethane, propane, and heavy hydrocarbons, the system comprising a pre-heater, configured to temperature control the high-pressure raw fuel gas forming a feed fuel gas; a gas splitter, configured to split the feed fuel gas into a first and a second feed gases; a glassy membrane device, configured to reject COand/or HS from the first feed gas while retaining methane and heavy hydrocarbons therein as a first conditioned fuel gas; and a rubbery membrane device, arranged in parallel with the glass membrane, configured to reject CO, HS, and heavy hydrocarbons from the second feed gas while retaining methane therein as a second conditioned fuel gas, wherein the first and second conditioned fuel gases are combined to form the conditioned fuel gas.


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Augustine, Alexander. (2026). Mixed membrane-type process for fuel gas upgrading (U.S. Patent No. 12774426). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12774426

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