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Celanese patent opposition analysis

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Latest oppositions filed by Celanese

Explore patent oppositions filed by Celanese 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
EP3784702Method For Cleaning A Polymerisation ReactorWACKER CHEMIEOct 5, 2022
EP3662770Electronic Cigarette Tip Tow Band, Electronic Cigarette Tip, Method For Producing Electronic Cigarette Tip Tow Band, And Method For Producing Electronic Cigarette TipDAICELNov 19, 2021
EP3283569Aqueous Dispersion And Uses ThereofCOVESTRO NETHERLANDSSep 8, 2021
EP3369722Acetic Acid Production MethodDAICELOct 1, 2020
EP3500536Composite Heat Insulation SystemWACKER CHEMIESep 24, 2020
EP3398930Method For Producing Acetic AcidDAICELAug 19, 2020
EP3369721Acetic Acid Production MethodDAICELJul 14, 2020
EP3333147Production Method For Acetic AcidDAICELApr 9, 2020
EP3207102Vinyl Acetate-Ethylene / Acrylic Polymer Emulsions And Products And Methods Relating TheretoAVERY DENNISONOct 4, 2019
EP2628720Acetic Acid Production MethodDAICELAug 7, 2019

Latest patents of Celanese opposed by its competitors

Explore Celanese'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.

Patent NumberGrant DateTitleTotal Oppositions
EP3322695Jan 1, 2025Acesulfame Potassium Compositions And Processes For Producing Same2
EP3210978Sep 6, 2023Process For Producing Acesulfame Potassium2
EP3319948Jun 30, 2021Acesulfame Potassium Compositions And Processes For Producing Same1
EP3075667Apr 21, 2021Method For Producing A Fiber Bale1
EP3555217Feb 17, 2021Waterborne Acrylic Dispersions With High Biorenewable Content1
EP2773230Jul 22, 2020Products Of High Denier Per Filament And Low Total Denier Tow Bands1
EP3319949Jul 22, 2020Acesulfame Potassium Compositions And Processes For Producing Same2
EP3317260Oct 30, 2019Acesulfame Potassium Compositions And Processes For Producing Same1
EP2031049Mar 6, 2019Chemical Delivery Product And Process For Making The Same2
EP1861462Sep 5, 2018Dispersion Composition For Highly Flexible, Waterproof, Hydraulically Binding Tile Adhesive1

Top competitors of Celanese