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Extraction Process For High-Boiling Aldehyde Product Separation And Catalyst Recovery

Patent No. EP3696160 (titled "Extraction Process For High-Boiling Aldehyde Product Separation And Catalyst Recovery") was filed by Dairen Chemical on Feb 14, 2020. The application was issued on May 10, 2023.

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
OQ CHEMICALSFeb 12, 2024MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB
OXEAFeb 12, 2024MICHALSKI HUTTERMANN & PARTNER PATENTANWALTE MBB

Dossier Documents

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EP3696160

DAIREN CHEMICAL
Application Number
EP20157390A
Filing Date
Feb 14, 2020
Status
Granted And Under Opposition
Apr 7, 2023
Publication Date
May 10, 2023
External Links
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