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Porous Water-Soluble Nonionic Cellulose Ether Having Excellent Solubility And Method For Producing The Same

Patent No. EP3205671 (titled "Porous Water-Soluble Nonionic Cellulose Ether Having Excellent Solubility And Method For Producing The Same") was filed by Shin Etsu Chemical on Oct 24, 2016. The application was issued on Apr 29, 2020.

Patent Summary

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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
DUPONT NUTRITION BIOSCIENCES APSDec 11, 2020F & E
DUPONT NUTRITION BIOSCIENCES APSDec 11, 2020F & E PATENT

Dossier Documents

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EP3205671

SHIN ETSU CHEMICAL
Application Number
EP16195370A
Filing Date
Oct 24, 2016
Status
Opposition Rejected
Apr 11, 2025
Publication Date
Apr 29, 2020
External Links
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