Polyester Terephthalate-Co-Sebate Resin And Preparation Method Therefor

Patent No. EP3511358 (titled "Polyester Terephthalate-Co-Sebate Resin And Preparation Method Therefor") was filed by Kingfa SCI & Tech on Sep 4, 2017. The application was issued on Jan 27, 2021.

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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
BASFOct 26, 2021MEISSNER BOLTE PARTNERSCHAFT MBB
NOVAMONTOct 26, 2021MAIWALD

Dossier Documents

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EP3511358

KINGFA SCI & TECH
Application Number
EP17848102A
Filing Date
Sep 4, 2017
Status
Revoked
Feb 21, 2025
Publication Date
Jan 27, 2021