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Control Of An Ammonia Synthesis Loop At Partial Load - EP4054979

The patent EP4054979 was granted to Casale on Nov 29, 2023. The application was originally filed on Oct 12, 2020 under application number EP20789597A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP4054979

CASALE
Application Number
EP20789597A
Filing Date
Oct 12, 2020
Status
Granted And Under Opposition
Oct 27, 2023
Grant Date
Nov 29, 2023
External Links
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Patent Summary

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Patent Family

Patent Oppositions (3)

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STAMICARBONAug 29, 2024VOADMISSIBLE
THYSSENKRUPP UHDEAug 28, 2024KUTZENBERGER WOLFF & PARTNERADMISSIBLE
TOPSOEAug 28, 2024INSPICOS PSADMISSIBLE

Patent Citations (8) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTDE102017222948
INTERNATIONAL-SEARCH-REPORTUS2013108538
INTERNATIONAL-SEARCH-REPORTUS4215099
OPPOSITIONEP0049967
OPPOSITIONUS2013108538
OPPOSITIONUS2017122129
OPPOSITIONUS7594386
OPPOSITIONWO2017153304

Non-Patent Literature (NPL) Citations (49) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
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OPPOSITION- Ghaisas Neetin, Todd Reitsma, "Surge Detection And Surge Control Systems For Centrifugal Compressors --Part 2 - Fundamentals include dynamic centrifugal compressor map, operating envelope, surge cycle", Royal Belgian Institute of Marine Engineers, (20160801), Royal Belgian Institute of Marine Engineers, URL: https://www.gallois.be/ggmagazine_2017/gg_02_03_2017_90.pdf, XP093192791-
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OPPOSITION- Kessler Fred, Dirk Hoberg, Stefan Hruby, " First application of Uhde’s dual pressure ammonia process for revamping of the Duslo ammonia plant", Nitrogen 2006 Conference & Exhibition, (20060301), XP093210892-
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OPPOSITION- Kurz Rainer, Robert C. White, "COMPRESSOR STATION ANTI-SURGE SYSTEM CONSIDERATIONS ", Rio Pipeline 2005 Conference & Exposition, (20050101), XP093210910-
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OPPOSITION- Larsen J.S., D. Lippmann, " The Uhde Dual Pressure Process - Reliability Issues and Scale Up Considerations", Uhde, (20020901), XP093210890-
OPPOSITION- Liedman Johan, Månsson Robert, "Dynamic simulation of a centrifugal compressor system ", Master's Thesis, Chalmers University, (20130101), XP093192781-
OPPOSITION- Mirsky et al., 3rd Middle East Turbomachinery Symposium (METS III) 15-18 February 2015;-
OPPOSITION- Mirsky Saul, Jacobson Wayne, Tiscornia David, Mcwhirter Jeff, Zaghloul Medhat, "DEVELOPMENT AND DESIGN OF ANTISURGE AND PERFORMANCE CONTROL SYSTEMS FOR CENTRIFUGAL COMPRESSORS", Proceedings of the Forty-Second Turbomachinery Symposium, (20121001), XP093192799-
OPPOSITION- Mirsky Saul, Jacobson Wayne, Tiscornia David, Mcwhirter Jeff, Zaghloul Medhat, "Development and design of antisurge and performance control systems for centrifugal compressors ", Proceedings of the Forty-Second Turbomachinery Symposium, Houston, Texas, Houston, Texas, (20120101), pages 1 - 34, XP093212027-
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OPPOSITION- Noelker Klaus, "Ammonia Plant Capacity Increase by Autothermal Reforming and Dual Pressure Synthesis", ThyssenKrupp Uhde GmbH; AMMONIA TECHNICAL MANUAL, (20110101), pages 281 - 294, XP093210897-
OPPOSITION- Noelker Klaus, Joachim Johanning, "Comparison of synthesis gas generation concepts for capacity enlargement of ammonia plants", NITROGEN & SYNGAS 2012 International Conference, (20120201), XP093210894-
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OPPOSITION- Steinke, Joe, "Controlling Anti-Surge Valves in Low Flow Load Balancing Operation", 17th International Conference and Exhibition on Liquefied Natural Gas, International Gas Union, ES, ES, (20130416), pages 1668 - 1674, XP009559973-
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OPPOSITION- Luyben William L, "Design and Control of a Cooled Ammonia Reactor ", Luyben William L, Gade Pandu Rangaiah , Vinay Kariwala, Plantwide Control : Recent Developments and Applications, John Wiley& Sons, Ltd, (20120101), pages 275 - 292, doi:10.1002/9781119968962.ch13, ISBN 978-0-470-98014-9, XP093211752
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OPPOSITION- Fahr Steffen, Schiedeck Matthias, Schwarzhuber Josef, Rehfeldt Sebastian, Peschel Andreas, Klein Harald, "Design and thermodynamic analysis of a large-scale ammonia reactor for increased load flexibility", Chemical Engeneering Journal, AMSTERDAM, NL , (20230901), vol. 471, doi:10.1016/j.cej.2023.144612, ISSN 1385-8947, pages 1 - 15, XP093211759
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