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Ionic Liquid Based Well Asphaltene Inhibitors And Methods Of Using The Same - EP3720920

The patent EP3720920 was granted to Baker Hughes on Jan 24, 2024. The application was originally filed on Dec 7, 2018 under application number EP18830100A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3720920

BAKER HUGHES
Application Number
EP18830100A
Filing Date
Dec 7, 2018
Status
Granted And Under Opposition
Dec 22, 2023
Grant Date
Jan 24, 2024
External Links
Slate, Register, Google Patents

Patent Summary

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CLARIANT PRODUKTE DEUTSCHLANDOct 22, 2024ADMISSIBLE

Patent Citations (16) New

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

Citation PhasePublication NumberPublication Link
DESCRIPTIONUS9360425
INTERNATIONAL-SEARCH-REPORTCN107177353
INTERNATIONAL-SEARCH-REPORTCN1629257
INTERNATIONAL-SEARCH-REPORTUS2014045732
INTERNATIONAL-SEARCH-REPORTUS2015111799
INTERNATIONAL-SEARCH-REPORTWO2013096218
OPPOSITIONEP0606055
OPPOSITIONEP0857776
OPPOSITIONEP1666570
OPPOSITIONUS2004232042
OPPOSITIONUS2013310492
OPPOSITIONUS2017284605
OPPOSITIONUS2234548
OPPOSITIONWO0179397
OPPOSITIONWO2008083724
OPPOSITIONWO9961562

Non-Patent Literature (NPL) Citations (2) 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
OPPOSITION- Anonymous, "Didecyldimethylammonium chloride; CAS Registry Number 7173-51-5", CAS Common Chemistry, (20240101), CAS Common Chemistry , URL: https://commonchemistry.cas.org/detail?cas_rn=7173-51-5, XP093233337-
OPPOSITION- Malcolm A. Kelland, "4 Asphaltene Control", Malcolm A. Kelland, Malcolm A. Kelland, Production Chemicals for the Oil and Gas Industry, Boca Raton , CRC Press , (20140101), pages 111 - 144, ISBN 978-1-4398-7379-3, XP009558771-

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Dossier Documents

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