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Process For Preparing Phthalic Anhydride - EP3013783

The patent EP3013783 was granted to Basf on Oct 17, 2018. The application was originally filed on Jun 16, 2014 under application number EP14817018A. The patent is currently recorded with a legal status of "Revoked".

EP3013783

BASF
Application Number
EP14817018A
Filing Date
Jun 16, 2014
Status
Revoked
Oct 30, 2020
Grant Date
Oct 17, 2018
External Links
Slate, Register, Google Patents

Patent Summary

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CLARIANT PRODUKTE DEUTSCHLANDJul 15, 2019HEINEMANN -

Patent Citations (12) New

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

Citation PhasePublication NumberPublication Link
INTERNATIONAL-SEARCH-REPORTWO0216299
INTERNATIONAL-SEARCH-REPORTWO03070680
INTERNATIONAL-SEARCH-REPORTWO2005042459
OPPOSITIONDE102004008573
OPPOSITIONDE10350812
OPPOSITIONDE2340047
OPPOSITIONEP0761305
OPPOSITIONGB1281631
SEARCHDE1958776
SEARCHDE2340047
SEARCHEP0061018
SEARCHGB1281631

Non-Patent Literature (NPL) Citations (3) 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- SUN LIWE, "Industrielle Anwendung des Phthalsäureanhydrid-Katalysators hoher Beladung vom Typ BC-249 IV aus inländischer Produktion", Speciality Petrochemicals, (20130100), pages 71 - 74, XP055622561-
OPPOSITION- WU BAOJUN et al., "A new higher loading catalyst for the oxidation of o-xylene to phthalic anhydride", (20030000), vol. 32, no. 3, pages 205 - 207, XP055622569-
OPPOSITION- A.I. ANASTASOV, "Deactivation of an industrial V2O5-TiO2 catalyst for oxidation of o-xylene into phthalic anhydride", Chemical Engineering and Processing, (20030000), vol. 42, pages 449 - 460, XP055366499

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Dossier Documents

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