Process For Adding A Coupling Agent To Raw Stock

Patent No. EP2391490 (titled "Process For Adding A Coupling Agent To Raw Stock") was filed by UPM Kymmene on Jan 29, 2010. The application was issued on Jul 16, 2014.

Patent Summary

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Patent Family

Patent Oppositions (3)

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 DateRepresentative
SCHMITZApr 16, 2015-
STORA ENSO OYJApr 16, 2015FORSTMEYER
REHAU INDUSTRIESApr 15, 2015-

Dossier Documents

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EP2391490

UPM KYMMENE
Application Number
EP10735514A
Filing Date
Jan 29, 2010
Status
Revoked
Mar 1, 2024
Publication Date
Jul 16, 2014