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in a double column flowsheet with a high pressure pre-rectifier

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  • CPC
  • F25J3/04442
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F25Refrigeration F25JLIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE F25J3/00Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification

Current Industry

F25J3/04442in a double column flowsheet with a high pressure pre-rectifier
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    High-purity oxygen production system
    • Patent number 11,879,685
    • Issue date Jan 23, 2024
    • L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
    • Kenji Hirose
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method and device for generating gaseous compressed nitrogen
    • Patent number 11,118,834
    • Issue date Sep 14, 2021
    • Linde Aktiengesellschaft
    • Dimitri Goloubev
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method and device for separating air by cryogenic distillation
    • Patent number 10,295,253
    • Issue date May 21, 2019
    • L'Air Liquide Societe Anonyme pour l'Etude et l'Exploitation des Procedes Geo...
    • Benoit Davidian
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method and device for low-temperature air separation
    • Patent number 8,826,692
    • Issue date Sep 9, 2014
    • Linde Aktiengesellschaft
    • Alexander Alekseev
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Variable capacity fluid mixture separation apparatus and process
    • Patent number 6,666,048
    • Issue date Dec 23, 2003
    • L'Air Liquide - Societe Anonyme a Directoire et Conseil de Surveillance pour...
    • Jean-Renaud Brugerolle
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation process
    • Patent number 6,397,631
    • Issue date Jun 4, 2002
    • Air Products and Chemicals, Inc.
    • John Louis Griffiths
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Integrated apparatus for generating power and/or oxygen enriched fl...
    • Patent number 6,276,171
    • Issue date Aug 21, 2001
    • L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Ge...
    • Jean-Renaud Brugerolle
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Integrated apparatus for generating power and/or oxygen enriched fl...
    • Patent number 6,202,442
    • Issue date Mar 20, 2001
    • L'Air Liquide, Societe Anonyme pour l'Etude et l'Expoitation des Procedes Geo...
    • Jean Renaud Brugerolle
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Multiple column nitrogen generators with oxygen coproduction
    • Patent number 5,934,104
    • Issue date Aug 10, 1999
    • Air Products and Chemicals, Inc.
    • Zbigniew Tadeusz Fidkowski
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method and apparatus for the low-temperature fractionation of air
    • Patent number 5,669,237
    • Issue date Sep 23, 1997
    • Linde Aktiengesellschaft
    • Jurgen Voit
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation
    • Patent number 5,485,729
    • Issue date Jan 23, 1996
    • The BOC Group plc
    • Paul Higginbotham
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Triple distillation column nitrogen generator with plural reboiler/...
    • Patent number 5,069,699
    • Issue date Dec 3, 1991
    • Air Products and Chemicals, Inc.
    • Rakesh Agrawal
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Nitrogen partial expansion refrigeration for cryogenic air separation
    • Patent number 4,796,431
    • Issue date Jan 10, 1989
    • Donald C. Erickson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    High pressure oxygen pumped LOX rectifier
    • Patent number 4,604,116
    • Issue date Aug 5, 1986
    • Donald C. Erickson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Air separation with medium pressure enrichment
    • Patent number 4,433,989
    • Issue date Feb 28, 1984
    • Donald C. Erickson
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3280574
    • Patent number 3,280,574
    • Issue date Oct 25, 1966
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    3079759
    • Patent number 3,079,759
    • Issue date Mar 5, 1963
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2287158
    • Patent number 2,287,158
    • Issue date Jun 23, 1942
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    HIGH-PURITY OXYGEN PRODUCTION SYSTEM
    • Publication number 20210080171
    • Publication date Mar 18, 2021
    • L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
    • Kenji HIROSE
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    METHOD AND APPARATUS FOR OBTAINING PRESSURIZED NITROGEN BY CRYOGENI...
    • Publication number 20190242646
    • Publication date Aug 8, 2019
    • Linde Aktiengesellschaft
    • Dimitri GOLUBEV
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Method and Device for Low-Temperature Air Separation
    • Publication number 20110023540
    • Publication date Feb 3, 2011
    • Linde Aktiengesellschaft
    • Alexander Alekseev
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    Process for the cryogenic distillation of air
    • Publication number 20060075779
    • Publication date Apr 13, 2006
    • Paul Higginbotham
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...