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FR2076029A6 Expired / Lapsed FR ⏱️ 0.0 years remaining

Methane enriched natural gas liquefaction

Assignee: Air Products and Chemicals Inc
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Filing: 1970-05-14
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Granted: 1971-10-15
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Expires: 1990-05-14
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Abstract

Abstract Methane enriched natural gas is liquified as in parent patent but uses pref. compressed propane to cool a multicomponent coolant at >35 Kp/cm2 having an average mol.wt. of 24-28 and pref. containing 2-2 mol % N2, 35-45 mol % CH4, 32-42 mol % C2H6 and 9-19 mol % C3H8 to O, pref. -2 degrees to -32 degrees C. This is used to cool its methane stream to pref. -17 degrees to -46 degrees C.

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-03 23:20
CPC Classifications
F; F25; F25J; F25J1/00; F25J1/0002; F25J1/0022; F25J1/003; F25J1/0047; F25J1/0052; F25J1/0055; F25J1/02; F25J1/0211; F25J1/0214; F25J1/0215; F25J1/0216; F25J1/0243; F25J1/0279; F25J1/0292; F25J2205/00; F25J2205/02; F25J2205/60; F25J2220/00; F25J2220/60; F25J2220/64

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