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Patent opposition analysis in polyurethanes industry

In the competitive field of polyurethanes, companies are constantly innovating to stay ahead. Discover the latest patent opposition trends, top opposing and opposed companies, and the most recent patents getting opposed. Stay informed on the latest developments in polyurethanes technology and learn how to protect your intellectual property.

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Explore the top companies that have filed the most patent oppositions in the technology industry.

Explore the top companies that have faced the most patent oppositions in the technology industry.

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Patent challenges are becoming increasingly common in the polyurethanes industry as companies work to protect their innovations in a highly competitive market. These legal battles can significantly impact the development and release of new technologies. Below is a list of the latest patents that have been opposed in the polyurethanes industry, offering a snapshot of the ongoing struggles over intellectual property rights. For anyone involved in this industry, understanding these patent disputes is essential for navigating its future.

Last updated on: Sep 4, 2025
Patent NumberTitleApplicantOpposition DateOpposition Name

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Polyurethane Glass Bonding Adhesive With Reduced SlippageDOWJun 24, 2025SIKA TECHNOLOGY
Method For Producing Organyloxysilane-Terminated PolymersWACKER CHEMIEMay 20, 2025HENKEL
Preformed Protective Cover And Wind Turbine BladePOLYTECHApr 16, 2025GE WIND ENERGY
Xylylene Diisocyanate Composition, Modified Xylylene Diisocyanate Composition, Polymerizable Composition, Resin, Molded Body, Optical Element, And LensMITSUI CHEMICALSFeb 12, 2025WUESTHOFF & WUESTHOFF
Polythioether Prepolymers And Their Uses In Curing Compositions, In Particular In SealantsSOCOMOREFeb 7, 2025KRAUS & LEDERER PARTGMBB
Multi-Purpose Safety ShoeU POWER GROUPJan 31, 2025DIADORA
A Coating CompositionCOVESTROJan 15, 2025FRANKEN SYSTEMS
Primerless Polyurethane Adhesive CompositionsDDP SPECIALTY ELECTRONIC MATERIALSNov 26, 2024SIKA TECHNOLOGY
Polyol Component And Use Thereof For Producing Rigid Polyurethane FoamsBASFSep 13, 2024COVESTRO DEUTSCHLAND
Low-Viscous Isocyanate Prepolymers Blocked With Phenols Obtainable From Cashew Nutshell Oil, Method For The Production Thereof And Use ThereofCOVESTRO DEUTSCHLANDSep 12, 2024DDP SPECIALTY ELECTRONIC MATERIALS

To stay ahead in the competitive polyurethanes industry, companies are constantly innovating. Here are the top patents facing oppositions in the polyurethanes industry. Stay informed on the latest opposition trends and learn how to protect your intellectual property.

Last updated on: Sep 4, 2025
Patent NumberGrant DateTitleApplicantTotal Oppositions
Jun 3, 2020Powder Compositions Made Of Thermoplastics And Use Of The CompositionsAM POLYMERS4
Jul 18, 2018Use Of Thermoplastic Polyurethane PowdersCOVESTRO DEUTSCHLAND4
Jun 28, 2017Cross-Linkable Masses Based On Organyl-Oxysilane-Terminated PolymersWACKER CHEMIE3
May 17, 2017Method Of Molding Rigid Polyurethane Foams With Enhanced Thermal ConductivityDOW2
Nov 21, 2018Non-Aqueous Liquid Coating CompositionAKZO NOBEL2
Oct 28, 2020Adhesive System For Preparing Lignocellulosic CompositesHENKEL2
Jul 31, 2019Polyisocyanate Prepolymers And Use ThereofCOVESTRO DEUTSCHLAND2
Aug 18, 2021Pu Adhesive Having Viscosity RegulatorHENKEL2
Jun 10, 2020Improved Polyurethane Foam CompositionSOUDAL2
Aug 8, 2018Modified Diphenylmethane Diisocyanate-Based AdhesivesH B FULLER2