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IP Verse

Method For Manufacturing Resin For Urethane-Based Optical Material, Resin Composition For Same, And Optical Material Manufactured Thereby - EP2660262

The patent EP2660262 was granted to KOC Solution on Feb 27, 2019. The application was filed on Dec 29, 2011 under application number EP11852482A. The patent is currently recorded with a legal status of "Revoked".

EP2660262

KOC SOLUTION
Application Number
EP11852482A
Filing Date
Dec 29, 2011
Status
Revoked
Aug 20, 2021
Publication Date
Feb 27, 2019
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
PPG INDUDTRIESNov 5, 2019F & E PATENTADMISSIBLE

Patent Citations (9) New

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

Citation PhasePublication Number
DESCRIPTIONKR20090051090
INTERNATIONAL-SEARCH-REPORTJP2000108219
INTERNATIONAL-SEARCH-REPORTJP2006162926
INTERNATIONAL-SEARCH-REPORTJPH05117355
INTERNATIONAL-SEARCH-REPORTJPH11320580
INTERNATIONAL-SEARCH-REPORTKR20090051090
OPPOSITIONEP2075271
OTHEREP2075271
SEARCHEP2075271

Dossier Documents

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    Description

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