CompanyCompetitive AnalysisCompany Patent Opposition Analysis

Explore patent oppositions filed by Kemira Oyj 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: Aug 7, 2025
Patent NumberTitleApplicantOpposition Date

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Method For Increasing The Advantages Of Strength Aids In The Production Of Paper And PaperboardASHLAND LICENSINGNov 21, 2024
Heat-Sealable Paperboard Structures And Associated Paperboard-Based ContainersWESTROCK MWVOct 24, 2024
Coated Paperboard And A Tray Made TherefromWESTROCK MWVOct 24, 2024
Compostable Paperboard With Oil, Grease, And Moisture ResistanceWESTROCK MWVOct 10, 2024
Water-Based Coatings For Cellulosic SubstratesSUN CHEMICALFeb 2, 2024
Pulp-Containing Biodegradable Non-Woven Fabric And Method For Producing The SameGLATFELTER GERNSBACHFeb 2, 2024
Control System And Process For Nitrogen And Phosphorus RemovalENVIRONMENTAL OPERATING SOLUTIONSAug 23, 2023
Oil, Grease, And Moisture Resistant PaperboardWESTROCK MWVMay 3, 2023
Biodegradable And Compostable Food Packaging Unit From A Moulded Pulp Material With A Cellulose-Base Laminate Layer, And Method For Manufacturing Such Food Packaging UnitHUHTAMAKI MOLDED FIBER TECHNOLOGYDec 2, 2022
Biodegradable And Compostable Food Packaging Unit From A Moulded Pulp Material, And Method For Manufacturing Such Food Packaging UnitHUHTAMAKI MOLDED FIBER TECHNOLOGYSep 7, 2022

Explore Kemira Oyj'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 7, 2025
Patent NumberGrant DateTitleTotal Oppositions
Dec 21, 2022A Process For Producing Paper Or Board And A Product Thereof2
Jun 1, 2022Method For Preventing Microbial Growth On Filtration Membrane1
Aug 11, 2021A Method For Producing A Material With A Network Of At Least Two Polymers, A Product Thereof And Use Of The Product1
Apr 21, 2021Defoaming Compositions Comprising Hydroxy Terminated Siloxanes And Methods Of Making And Using The Same1
Nov 4, 2020Method For Preventing Bacterial Infection In A Fermentation Process1
Sep 23, 2020Use Of A Composition And Method For Reducing Bacterial Spores In Pulp Suspension1
Dec 12, 2018Method For Preventing Scale Formation1
May 2, 2018Process For Production Of Paper Or Board1
Mar 28, 2018Filler Aggregate Composition And Its Production1
Feb 21, 2018A Method For Providing A Pretreated Filler Composition And Its Use In Paper And Board Manufacturing1

Top competitors of Kemira Oyj

List of top competitors of Kemira Oyj based on patent oppositions.