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E Chem patent opposition analysis

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Latest oppositions filed by E Chem

Explore patent oppositions filed by E Chem against competitors, revealing strategic technology disputes and market positioning. Monitor opposition details, timelines, and disputed innovations to understand competitive dynamics and IP enforcement strategy.

Patent NumberTitleApplicantOpposition Date
EP3523390Use Of Tetrafluoropropene-Based CompositionsARKEMA FRANCEFeb 7, 2025
EP3752572Vehicle Heating And/Or Air-Conditioning SystemARKEMA FRANCEFeb 4, 2025
EP3378918Composition Containing Mixture Of Fluorinated Hydrocarbons, And Use ThereofDAIKIN INDUSTRIESSep 20, 2024
EP3266306Impregnated Textile Fabric Providing Effective Delivery Of An Alcoholic ImpregnantSCHLKE & MAYRMay 3, 2023
EP3523389Tetrafluoropropene-Based Azeotropic CompositionsARKEMA FRANCEDec 15, 2022
EP3206487Use Of Fatty Acid Ester For Improving The Antimicrobial Efficacy Of An Alcoholic DisinfectantLAIR LIQUIDE SOCIT ANONYME POUR LETUDE ET LEXPLOITATION DES PROCDS GEORGES CLAUDESep 29, 2022
EP2475734Binary Refrigerating FluidARKEMA FRANCEJan 5, 2022
EP2976317Composition Comprising Hf And 2,3,3,3-TetrafluoropropeneARKEMA FRANCEDec 15, 2021
EP3284797Composition Comprising Hfc And HfoDAIKIN INDUSTRIESSep 15, 2021
EP2976318Composition Comprising Hf And 1,3,3,3-TetrafluoropropeneARKEMA FRANCESep 8, 2021

Top competitors of E Chem