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

EP2046861

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

Biblio Summary

The patent EP2046861B1 was granted on Jan 23, 2019 by Bayer Materialscience Llc The patent is currently Revoked.

Oppositions Filed by other Companies on the Patent

The table below shows 2 patent oppositions filed on the patent at EPO, listing each opposing company and filing date. Tracking these filings indicates that the applicant is active in this industry, while opposing companies may be signaling their own interest in competing within the same space. These disputes are essential for insights into competitor actions, patent strategy and emerging technological trends.

CompanyOpposition DateOpposition Status

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ECONIC TECHNOLOGIES LIMITEDOct 23, 2019ADMISSIBLE
REPSOL, S.A.Oct 23, 2019ADMISSIBLE

More Opposed Patents of Bayer Materialscience Llc

The table below shows the patents of Bayer Materialscience Llc that have been opposed by other companies.

Patent NumberTitleGrant DateOpposition Count
EP2239291Polyether Carbonate Polyols Made Via Double Metal Cyanide (Dmc) CatalysisMar 9, 20221
EP2890726Polymer Polyols Having Improved QualityMar 24, 20212
EP2287226Polyether Carbonate Polyols Made Via Double Metal Cyanide (Dmc) CatalysisFeb 27, 20191

Dossier Documents of the Patent

The documents dossier of the patent at EPO including all essential records in the patent's lifecycle, from filing to grant to oppositions.

  • Date

    Description

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