Latest oppositions filed by Kemira Oyj

This table presents recent patent oppositions filed by Kemira Oyj against its competitors. It outlines key details of each case, including the patent title, filing date and the applicant. This information provides insights into the competitive landscape and highlights active disputes over patent grant within the industry.

Patent NumberTitleApplicantOpposition Date
EP3784833Heat-Sealable Paperboard Structures And Associated Paperboard-Based ContainersWESTROCK MWV, LLCOct 24, 2024
EP3807088Coated Paperboard And A Tray Made TherefromWESTROCK MWV, LLCOct 24, 2024
EP3497282Compostable Paperboard With Oil, Grease, And Moisture ResistanceWESTROCK MWV, LLCOct 10, 2024
EP3710634Water-Based Coatings For Cellulosic SubstratesSUN CHEMICAL CORPORATIONFeb 2, 2024
EP3867435Pulp-Containing Biodegradable Non-Woven Fabric And Method For Producing The SameGLATFELTER GERNSBACH GMBHFeb 2, 2024
EP3271297Control System And Process For Nitrogen And Phosphorus RemovalENVIRONMENTAL OPERATING SOLUTIONS, INC.Aug 23, 2023
EP3497283Oil, Grease, And Moisture Resistant PaperboardWESTROCK MWV, LLCMay 3, 2023
EP3774573Biodegradable 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 TECHNOLOGY B.V.Dec 2, 2022
EP3519627Biodegradable And Compostable Food Packaging Unit From A Moulded Pulp Material, And Method For Manufacturing Such Food Packaging UnitHUHTAMAKI MOLDED FIBER TECHNOLOGY B.V.Sep 7, 2022
EP3423512Aqueous-Based Hydrolytically Stable Dispersion Of A Biodegradable PolymerMICHELMAN, INC.Aug 19, 2022

The following table provides an overview of the latest patents of Kemira Oyj that has been opposed by its competitors. It provides an insight into the competitive landscape of the industry and highlights the patents that are subject to oppositions.

Patent NumberGrant DateTitleTotal Oppositions
EP3899136Dec 21, 2022A Process For Producing Paper Or Board And A Product Thereof2
EP2609990Jun 1, 2022Method For Preventing Microbial Growth On Filtration Membrane1
EP3313908Aug 11, 2021A Method For Producing A Material With A Network Of At Least Two Polymers, A Product Thereof And Use Of The Product1
EP3240618Apr 21, 2021Defoaming Compositions Comprising Hydroxy Terminated Siloxanes And Methods Of Making And Using The Same1
EP2678436Nov 4, 2020Method For Preventing Bacterial Infection In A Fermentation Process1
EP3454656Sep 23, 2020Use Of A Composition And Method For Reducing Bacterial Spores In Pulp Suspension1
EP3169844Dec 12, 2018Method For Preventing Scale Formation1
EP2978894May 2, 2018Process For Production Of Paper Or Board1
EP3090024Mar 28, 2018Filler Aggregate Composition And Its Production1
EP3090099Feb 21, 2018A Method For Providing A Pretreated Filler Composition And Its Use In Paper And Board Manufacturing1