CompanyCompetitive AnalysisCompany Patent Opposition Analysis

Explore patent oppositions filed by Schaefer Kalk 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: Aug 28, 2025
Patent NumberTitleApplicantOpposition Date

Get instant updates on new opposition filings by the company

Surface-Treated Fillers For Biaxially Oriented Polyester FilmsOMYAMay 16, 2023
Calcium/Magnesium Compound Slurry For Bituminous Road MaterialEUROVIAMay 2, 2023
Surface-Treated Fillers For Ultrathin Breathable FilmsOMYAOct 12, 2022
Compositions Including Blends Of Hydrophobic And Non-Hydrophobic Inorganic Particulate Material For Use In Covering ProductsIMERYS USAJul 28, 2022
Calcium-Carbonate-Microparticle/Fiber Composite And Manufacturing Method ThereforNIPPON PAPER INDUSTRIESMar 16, 2022
Inorganic Particulate Material Suitable For Use In Polymeric FilmsIMERTECHSep 30, 2021
Delayed Reactivity Quicklime, Process For Manufacturing Same And Use ThereofLHOIST RECHERCHE ET DVELOPPEMENTJul 7, 2021
Substrates Having A Functional CapabilityIMERTECHOct 30, 2020
A Pigment Particle Composition, Its Method Of Manufacture And Its UseFP PIGMENTSSep 18, 2020
Surface-Treated Calcium Carbonate And Paste-Like Resin Composition Containing SameSHIRAISHI KOGYO KAISHASep 2, 2020

Explore Schaefer Kalk'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: Aug 28, 2025
Patent NumberGrant DateTitleTotal Oppositions
Sep 11, 2024Spherical Amorphous Calcium Carbonate Particles1
Jul 22, 2020Calcium-Salt-Containing Composite Powder Having Microstructured Particles1
Mar 13, 2019Microstructured Composite Particles1

Top competitors of Schaefer Kalk

Top competitors of Schaefer Kalk based on patent oppositions.