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A Process Of Preparing An Ester Of A Cellulose Ether - EP2831121B1

EP2831121

DOW
Application Number
EP13724915A
Filing Date
Mar 12, 2013
Status
Granted And Under Opposition
Sep 7, 2018
Grant Date
Oct 10, 2018
External Links
Slate, Register, Google Patents
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The patent EP2831121B1 was granted to DOW on Oct 10, 2018 following the initial filing on Mar 12, 2013 under the application number EP13724915A . The current legal status of the patent is Granted And Under Opposition.

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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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SHIN ETSU CHEMICALJul 9, 2019WITHDRAWN

Dossier Documents

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