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Polyether Carbonate Polyols Made Via Double Metal Cyanide (Dmc) Catalysis - EP2046861B1

EP2046861

BAYER MATERIALSCIENCE
Application Number
EP07796940A
Filing Date
Jul 19, 2007
Status
Revoked
Jan 7, 2022
Grant Date
Jan 23, 2019
External Links
Slate, Register, Google Patents
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Bibliography

The patent EP2046861B1 was granted to Bayer Materialscience on Jan 23, 2019 following the initial filing on Jul 19, 2007 under the application number EP07796940A . The current legal status of the patent is Revoked.

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.

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ECONICOct 23, 2019ADMISSIBLE
REPSOLOct 23, 2019ADMISSIBLE

Dossier Documents

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