Method Of Producing Lignin With Reduced Amount Of Odorous Substances

Patent No. EP3847206 (titled "Method Of Producing Lignin With Reduced Amount Of Odorous Substances") was filed by Valmet on Sep 3, 2019. The application was issued on Dec 25, 2024.

Patent Summary

Patent Family

Patent Family

Patent Oppositions (2)

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
ANDRITZSep 25, 2025DEVINE
STRAWMANSep 23, 2025PELLEGRI

Dossier Documents

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EP3847206

VALMET
Application Number
EP19856717A
Filing Date
Sep 3, 2019
Status
Granted And Under Opposition
Nov 22, 2024
Publication Date
Dec 25, 2024