Explore patent oppositions filed by Emil Kiessling 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: Jul 24, 2025
Patent NumberTitleApplicantOpposition Date

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O/W Emulsion Comprising Photochemically Stable 4-(Tert.-Butyl)-4'-Methoxydibenzoylmethane In Oil Droplets Smaller Than 8 MicrometersBEIERSDORFMay 23, 2024
Octocrylene-Free, Odour-Stable Sun Protection AgentBEIERSDORFJun 8, 2021
Ethanol Sunscreen Composition With A Reduced Likelihood Of Discolouring TextilesBEIERSDORFMar 5, 2021
Sunscreen Comprising Titanium Dioxide And Ethylhexyl SalicylateBEIERSDORFOct 28, 2020
Sunscreen Comprising Titanium Dioxide And OctocryleneBEIERSDORFOct 5, 2020
Use Of Antioxidants For The Preparation Of Pharmaceutical Or Cosmetic Compositions For Protecting The Skin From Damages By Infrared-RadiationsSTADA ARZNEIMITTELAug 6, 2020
Use Of Antioxidants For The Preparation Of Pharmaceutical Or Cosmetic Compositions For Protecting The Skin From Damages By Infrared-RadiationsSTADA ARZNEIMITTELJul 24, 2020
Alcohol Containing Sunscreen Product Without OctocryleneBEIERSDORFApr 21, 2020
Octocrylene-Free Sunscreen Agent Containing Diethylaminohydroxybenz OylhexylbenzoateBEIERSDORFApr 15, 2020
Octocrylene-Free Sunscreen Agent Comprising DiethylhexylbutamidotriazoneBEIERSDORFApr 15, 2020