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Latest oppositions filed by Ask Chemicals

Explore patent oppositions filed by Ask Chemicals 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
EP3283541Phenolic Resin Composition For Use In The Polyurethane Cold-Box And/Or No-Bake Process And Corresponding Two-Component Binder Systems, Uses, And ProcessesHTTENES ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRNKTER HAFTUNGMar 7, 2024
EP3837066Use Of A Coating Composition And Corresponding Method For Producing A Centrifugal Casting Mould With A CoatingHTTENES ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRNKTER HAFTUNGMar 29, 2023
EP3606690Method For Producing Casting Molds, Cores And Basic Mold Materials Regenerated TherefromHTTENES ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRNKTER HAFTUNGMar 9, 2022
EP3559065Phenol Resin For Use In The Phenol Resin Component Of A Two-Component Binder SystemHTTENES ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRNKTER HAFTUNGNov 17, 2021
EP3495073Low Emission Cold Curing Binders For Foundry IndustryHTTENES ALBERTUS CHEMISCHE WERKE GESELLSCHAFT MIT BESCHRNKTER HAFTUNGApr 14, 2021
EP2651581Low-Emission Cold-Setting Binder For The Foundry IndustryHTTENES ALBERTUS CHEMISCHE WERKEApr 3, 2020
EP3085724Foundry Binder System With A Low Formaldehyde Content And Process For Obtaining ItCAVENAGHIMar 5, 2020
EP3003601Feeder Sleeve, Forming Element For The Feeder Sleeve And Method For Casting Metal Using The SameCHEMEXMay 16, 2018

Explore Ask Chemicals'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
EP3801949Feb 14, 2024Sizing Composition, Method For Coating A Casting Mould And Use Of The Sizing Composition For Coating A Casting Mould1
EP3634726Jan 25, 2023Method For Producing Three-Dimensionally Layered Shaped Bodies1
EP3558560Nov 18, 2020Binder Based On Phenolic Resins Of The Benzyl Ether Type, Containing Free Phenol And Free Hydroxybenzyl Alcohols1
EP2934788Sep 4, 2019Mold Material Mixtures Containing Metal Oxides Of Aluminum And Zirconium In Particulate Form1