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IP Verse

Chemetall competitive analysis

Latest oppositions filed by Chemetall

Explore patent oppositions filed by Chemetall against competitors, revealing strategic technology disputes and market positioning.

Last updated on: Dec 25, 2025
Patent NumberTitleApplicantOpposition Date

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EP4136136
Controlling Cure Rate With Wetted FillerPRC DESOTOOct 28, 2025
EP3911780
Motor Support For A Heating, Ventilation And/Or Air-Conditioning Device For A Motor VehicleCONSTELLIUM BOWLING GREENOct 7, 2025
EP3802915
Aqueous Dispersion For Activating A Metal Surface, And Method For The Phosphatisation ThereofHENKELAug 14, 2025
EP3612663
Method For Zinc Phosphating Metal Components In Series So As To Form LayersHENKELDec 4, 2024
EP3449035
System For Nickel-Free Zinc Phosphate PretreatmentPPG INDUSTRIES OHIONov 27, 2024
EP4065749
Resource-Saving Method For Activating A Metal Surface Prior To A Phosphatization ProcessHENKELOct 1, 2024
EP3368587
Non-Chromate Corrosion Inhibiting Polythioether SealantsPRC DESOTOMay 7, 2024
EP3649223
Cleaning Solution Comprising A Mix Of Polyoxyalkylene Nonionic Surfactants For Cleaning Metal SurfacesATOTECH DEUTSCHLANDMay 31, 2022
EP2971234
Method For Preparing And Treating A Steel SubstratePPG INDUSTRIES OHIOSep 1, 2021
EP3288999
Composition Including A Polythiol And A Polyepoxide And Methods Relating To The CompositionM INNOVATIVE PROPERTIESMay 5, 2021

Latest patents of Chemetall opposed by its competitors

Explore Chemetall'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: Dec 25, 2025
Patent NumberPublication DateTitleTotal Oppositions

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EP3350357
May 1, 2024Pre-Treating Aluminum Surfaces With Zirconium- And Molybdenum-Containing Compositions1
EP3256541
Nov 16, 2022Method Of Applying A Sulphur-Containing Sealing Compound, Apparatus Therefor, Correspondingly Treated Aerospace Vehicle And Use Thereof1
EP1965946
Jul 15, 2020Amorphous Caesium Aluminium Fluoride Complex, Its Production And Use1
EP2567765
Dec 13, 2017Process For The Preparation Of Alloy Powders On The Basis Of Titanium, Zirconium And Hafnium, Alloyed With The Elements Ni, Cu, Ta, W, Re, Os And Ir1
EP1874878
Jul 12, 2017Process For The Coating Of Metallic Components With An Aqueous Organic Composition1

Latest PTAB cases involving Chemetall

Discover the latest PTAB cases involving Chemetall, highlighting their recent legal challenges and patent disputes.

Peer Comparison New

IP litigation analysis comparing Chemetall with top 3 competitors. Includes complete PTAB case data and opposition data from 2018 onwards.

Last updated on: Dec 25, 2025
CompanyOppositions FiledOppositions FacedPTAB Cases FiledPTAB Cases Faced
CHEMETALL125 - -
ATOTECH DEUTSCHLAND76 - -
HENKEL5991921 -
PPG INDUSTRIES81 - - -