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IP Verse

E Chem competitive analysis

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

Last updated on: Nov 13, 2025

Patent Number	Title	Applicant	Opposition Date
Get instant updates on new opposition filings by the company
EP3634931	Fluids For Immersion Cooling	M INNOVATIVE PROPERTIES	Aug 20, 2025
EP3059292	Low- And Medium-Temperature Refrigeration	ARKEMA FRANCE	Jul 24, 2025
EP3984365	Aqueous Disinfectant Composition Containing Peracetic Acid	KNIELER & TEAM	Jun 11, 2025
EP3778222	Decorative Sheet And Decorative Material Using Same	DAI NIPPON PRINTING	Apr 28, 2025
EP3523390	Use Of Tetrafluoropropene-Based Compositions	ARKEMA FRANCE	Feb 7, 2025
EP3752572	Vehicle Heating And/Or Air-Conditioning System	ARKEMA FRANCE	Feb 4, 2025
EP2875171	Corrosion Protection Using A Sacrificial Anode	VECTOR CORROSION	Oct 3, 2024
EP3378918	Composition Containing Mixture Of Fluorinated Hydrocarbons, And Use Thereof	DAIKIN INDUSTRIES	Sep 20, 2024
EP3266306	Impregnated Textile Fabric Providing Effective Delivery Of An Alcoholic Impregnant	SCHLKE & MAYR	May 3, 2023
EP3523389	Tetrafluoropropene-Based Azeotropic Compositions	ARKEMA FRANCE	Dec 15, 2022

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

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

Last updated on: Nov 13, 2025

Company	Oppositions Filed	Oppositions Faced	PTAB Cases Filed	PTAB Cases Faced
INNOSPEC PERFORMANCE CHEMICALS EUROPE	-	1	-	-
AKZO NOBEL	44	45	-	-