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IP Verse

Process For The Preparation Of Novolac Alkylphenol Resins - EP3426502

The patent EP3426502 was granted to Sumitomo Bakelite Europe on Dec 11, 2019. The application was originally filed on Mar 9, 2017 under application number EP17712026A. The patent is currently recorded with a legal status of "Revoked".

EP3426502

SUMITOMO BAKELITE EUROPE
Application Number
EP17712026A
Filing Date
Mar 9, 2017
Status
Revoked
Jul 15, 2025
Publication Date
Dec 11, 2019
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

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SI GROUPSep 10, 2020DEHNSADMISSIBLE

Patent Citations (13) New

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

Citation PhasePublication Number
DESCRIPTIONEP0501227
DESCRIPTIONEP1108734
DESCRIPTIONJPH11349655
DESCRIPTIONUS4167540
DESCRIPTIONUS6326453
DESCRIPTIONUS7488784
INTERNATIONAL-SEARCH-REPORTCN104693679
INTERNATIONAL-SEARCH-REPORTUS3108087
OPPOSITIONCN104031220
OPPOSITIONUS2008280787
OPPOSITIONUS2015112024
OPPOSITIONUS3294866
OPPOSITIONUS9133294

Dossier Documents

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