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IP Verse

Granular Conductive Carbon Black And Preparation Method Thereof - EP3783068

The patent EP3783068 was granted to Jiaozuo City Hexing Chemical Industry on Nov 16, 2022. The application was originally filed on Jun 26, 2020 under application number EP20182404A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

EP3783068

JIAOZUO CITY HEXING CHEMICAL INDUSTRY
Application Number
EP20182404A
Filing Date
Jun 26, 2020
Status
Granted And Under Opposition
Oct 14, 2022
Publication Date
Nov 16, 2022
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.

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ORION ENGINEERED CARBONSAug 15, 2023F & E PATENTADMISSIBLE

Patent Citations (6) New

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

Citation PhasePublication Number
OPPOSITIONEP2913368
OPPOSITIONUS2828191
OPPOSITIONUS3186928
OPPOSITIONUS4158690
SEARCHCN108587251
SEARCHEP2913368

Dossier Documents

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