Method For The Production Of Composite Elements Based On Isocyanate-Based Foams

Patent No. EP2737956 (titled "Method For The Production Of Composite Elements Based On Isocyanate-Based Foams") was filed by Basf on Dec 15, 2008. The application was issued on May 27, 2020.

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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
COVESTRO DEUTSCHLANDFeb 26, 2021LEVPAT
HUNTSMANFeb 26, 2021MEISSNER BOLTE PARTNERSCHAFT MBB

Dossier Documents

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EP2737956

BASF
Application Number
EP14152168A
Filing Date
Dec 15, 2008
Status
Revoked
Feb 9, 2024
Publication Date
May 27, 2020