CompanyCompetitive AnalysisCompany Patent Opposition Analysis

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.

Last updated on: Jul 31, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

Method For Cleaning A Polymerisation ReactorWACKER CHEMIEOct 5, 2022
Electronic Cigarette Tip Tow Band, Electronic Cigarette Tip, Method For Producing Electronic Cigarette Tip Tow Band, And Method For Producing Electronic Cigarette TipDAICELNov 19, 2021
Aqueous Dispersion And Uses ThereofCOVESTRO NETHERLANDSSep 8, 2021
Acetic Acid Production MethodDAICELOct 1, 2020
Composite Heat Insulation SystemWACKER CHEMIESep 24, 2020
Method For Producing Acetic AcidDAICELAug 19, 2020
Acetic Acid Production MethodDAICELJul 14, 2020
Production Method For Acetic AcidDAICELApr 9, 2020
Vinyl Acetate-Ethylene / Acrylic Polymer Emulsions And Products And Methods Relating TheretoAVERY DENNISONOct 4, 2019
Acetic Acid Production MethodDAICELAug 7, 2019

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.

Last updated on: Jul 31, 2025
Patent NumberGrant DateTitleTotal Oppositions
Jan 1, 2025Acesulfame Potassium Compositions And Processes For Producing Same2
Sep 6, 2023Process For Producing Acesulfame Potassium2
Jun 30, 2021Acesulfame Potassium Compositions And Processes For Producing Same1
Apr 21, 2021Method For Producing A Fiber Bale1
Feb 17, 2021Waterborne Acrylic Dispersions With High Biorenewable Content1
Jul 22, 2020Products Of High Denier Per Filament And Low Total Denier Tow Bands1
Jul 22, 2020Acesulfame Potassium Compositions And Processes For Producing Same2
Oct 30, 2019Acesulfame Potassium Compositions And Processes For Producing Same1
Mar 6, 2019Chemical Delivery Product And Process For Making The Same2
Sep 5, 2018Dispersion Composition For Highly Flexible, Waterproof, Hydraulically Binding Tile Adhesive1

Top competitors of Celanese

List of top competitors of Celanese based on patent oppositions.