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IP Verse

Oil Compound And Defoamer Composition - EP2508237

The patent EP2508237 was granted to Shin Etsu Chemical on Sep 17, 2025. The application was filed on Mar 30, 2012 under application number EP12162670A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP2508237

SHIN ETSU CHEMICAL
Application Number
EP12162670A
Filing Date
Mar 30, 2012
Status
Patent Maintained As Amended
Aug 15, 2025
Publication Date
Sep 17, 2025
External Links
Slate, Register, Google Patents

Patent Summary

Patent Family

Patent Family

Patent Oppositions

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentativeOpposition Status
EVONIK OPERATIONSMay 22, 2023EVONIK PATENT ASSOCIATIONADMISSIBLE

Patent Citations (25) New

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

Citation PhasePublication Number
DESCRIPTIONJP2007222812
DESCRIPTIONJP4232031B
DESCRIPTIONJPS5135556B
DESCRIPTIONJPS5219836B
DESCRIPTIONJPS5222638B
DESCRIPTIONJPS5231836B
DESCRIPTIONJPS5523084B
EXAMINATIONJPH08206409
OPPOSITIONEP0217501
OPPOSITIONEP2100650
OPPOSITIONJP2005137963
OPPOSITIONJPH02180603
OPPOSITIONJPH07328318
OPPOSITIONJPH10282027
OPPOSITIONJPH11281598
OPPOSITIONUS4690713
OPPOSITIONUS5531929
OPPOSITIONWO03029338
OPPOSITIONWO2006018145
SEARCHJP2005324140
SEARCHJP2007222812
SEARCHJP3100302B
SEARCHJP3417791B
SEARCHJPH11281598
SEARCHUS4690713

Dossier Documents

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