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Bayer Materialscience patent opposition analysis

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Latest patents of Bayer Materialscience opposed by its competitors

Explore Bayer Materialscience's recently opposed patents, revealing key competitive challenges and strategic patent disputes in the industry. Track oppositions filed by competitors to understand technology battlegrounds and assess potential risks.

Last updated on: Aug 14, 2025
Patent NumberGrant DateTitleTotal Oppositions
EP2239291
Mar 9, 2022Polyether Carbonate Polyols Made Via Double Metal Cyanide (Dmc) Catalysis1
EP2890726
Mar 24, 2021Polymer Polyols Having Improved Quality2
EP2888103
Nov 20, 2019Sandwich Composite Element Having Improved Mechanical Properties And Method For Production1
EP2287226
Feb 27, 2019Polyether Carbonate Polyols Made Via Double Metal Cyanide (Dmc) Catalysis1
EP2046861
Jan 23, 2019Polyether Carbonate Polyols Made Via Double Metal Cyanide (Dmc) Catalysis2
EP2879853
Jun 20, 2018Method For The Production Of Polyurethane Foam Using Emulsified Blowing Agent1
EP2841465
Oct 4, 2017Abs Compositions Having An Improved Surface Following Storage In A Warm-Humid Environment1
EP2888310
Aug 23, 2017Improved Process For The Production Of Low Molecular Weight Impact Polyethers1

Top competitors of Bayer Materialscience

Top competitors of Bayer Materialscience based on patent oppositions.