Inventor · disambiguated record
Matthias Welker
Also filed as: WELKER MATTHIAS
18 granted patents·15 pending applications·13 citations·filing 2013–2023
88Inventor score
Top patents by PatentIndex Score
33 records- 0187US11441037B2Process for preparing a surface treated filler material product with mono-substituted succinic anhydride(s) and a mixture of aliphatic linear or branched carboxylic acids comprising stearic acidOMYA INT AG·Filed 2018·Granted Sep 13, 2022·2 cites·23 claims
- 0286US9505877B2Phenanthro[9,10-B]furan polymers and small molecules for electronic applicationsBASF SE·Filed 2013·Granted Nov 29, 2016·6 cites·11 claims
- 0385US10875014B2Surface-modified calcium carbonate as carrier for transition metal-based catalystsOMYA INT AG·Filed 2017·Granted Dec 29, 2020·2 cites·22 claims
- 0479US11718759B2Surface-reacted calcium carbonate with functional cationsOMYA INT AG·Filed 2021·Granted Aug 8, 2023·0 cites·24 claims
- 0577US2022025190A1Surface-reacted calcium carbonate with functional cationsOMYA INT AG·Filed 2021·Application pending·0 cites
- 0677US2022025189A1Surface-reacted calcium carbonate with functional cationsOMYA INT AG·Filed 2021·Application pending·0 cites
- 0776US9951228B2Reduced moisture pickup in polyol-containing mineral filler productsOMYA INT AG·Filed 2015·Granted Apr 24, 2018·1 cites·31 claims
- 0869US11168219B2Surface-reacted calcium carbonate with functional cationsOMYA INT AG·Filed 2017·Granted Nov 9, 2021·0 cites·13 claims
- 0969US2025179279A1Calcium carbonate for improving the mechanical properties of thermoplastic polymer compositionsOMYA INT AG·Filed 2023·Application pending·0 cites
- 1068US10619050B2Reduced moisture pickup in polyol-containing mineral filler productsOMYA INT AG·Filed 2018·Granted Apr 14, 2020·0 cites·28 claims
- 1168US9359470B2Dithienobenzofuran polymers and small molecules for electronic applicationBASF SE·Filed 2013·Granted Jun 7, 2016·2 cites·14 claims
- 1264US12486379B2Use of a porous filler for reducing the gas permeability of an elastomer compositionOMYA INT AG·Filed 2021·Granted Dec 2, 2025·0 cites·25 claims
- 1364US2023383097A1Surface-treated ultrafine calcium carbonate for improving the mechanical properties of polyethylene/polypropylene compositionsOMYA INT AG·Filed 2021·Application pending·0 cites
- 1464US2024409719A1Precipitated calcium carbonate with high bio-based carbon content for polymer formulationsOMYA INT AG·Filed 2022·Application pending·0 cites
- 1563US2023279201A1Reinforced elastomer compositionOMYA INT AG·Filed 2021·Application pending·0 cites
- 1663US2023220185A1Reinforced fluoropolymerOMYA INT AG·Filed 2021·Application pending·0 cites
- 1761US2023174741A1A composition formed from a calcium carbonate-comprising material and a grafted polymerOMYA INT AG·Filed 2021·Application pending·0 cites
- 1860US2023365812A1Kit comprising surface-treated calcium carbonate and a peroxide agent for improving the mechanical properties of polyethylene/polypropylene compositionsOMYA INT AG·Filed 2021·Application pending·0 cites
- 1959US2025051539A1Calcium carbonate-comprising material with high bio-based carbon content for polymer formulationsOMYA INT AG·Filed 2022·Application pending·0 cites
- 2059US2023220212A1A composition formed from a calcium or magnesium carbonate-comprising material and a surface-treatment composition comprising at least one cross-linkable compoundOMYA INT AG·Filed 2021·Application pending·0 cites
- 2157US2022325066A1CaCO3 COATED WITH MALEIC ANHYDRIDE GRAFTED POLYETHYLENE AND/OR MALEIC ANHYDRIDE GRAFTED POLYPROPYLENE AND AT LEAST ONE HYDROPHOBIZING AGENTOMYA INT AG·Filed 2020·Application pending·0 cites
- 2256US2025002690A1Polycarbonate composition comprising a surface-treated calcium carbonate-containing materialOMYA INT AG·Filed 2022·Application pending·0 cites
- 2354US11161088B2O2 scavenging CaCO3 treatmentOMYA INT AG·Filed 2017·Granted Nov 2, 2021·0 cites·20 claims
- 2453US11873388B2Surface-treated fillers for polyester filmsOMYA INT AG·Filed 2019·Granted Jan 16, 2024·0 cites·22 claims
- 2553US2022081530A1A surface-treated filler material product providing improved uv stability for polymeric articlesOMYA INT AG·Filed 2020·Application pending·0 cites
- 2652US11505678B2Use of mono-substituted succinic anhydrideOMYA INT AG·Filed 2017·Granted Nov 22, 2022·0 cites·28 claims
- 2751US12006286B2Method for transesterification of carboxylic acid estersOMYA INT AG·Filed 2019·Granted Jun 11, 2024·0 cites·18 claims
- 2845US11708478B2Use of mono-substituted succinic anhydrideOMYA INT AG·Filed 2017·Granted Jul 25, 2023·0 cites·19 claims
- 2942US11753548B2Treatment of surface-reacted calcium carbonateOMYA INT AG·Filed 2017·Granted Sep 12, 2023·0 cites·20 claims
- 3042US10544544B2Process for the deinking of coated paper or paperboardOMYA INT AG·Filed 2016·Granted Jan 28, 2020·0 cites·20 claims
- 3141US2020291235A1Post treatment of surface-reacted calcium carbonate with different functional cationsOMYA INT AG·Filed 2017·Application pending·0 cites
- 3238US10689520B2Modified mineral-based filler comprising copper saltsOMYA INT AG·Filed 2016·Granted Jun 23, 2020·0 cites·24 claims
- 3336US9550791B2Functionnalized benzodithiophene polymers for electronic applicationBASF SE·Filed 2013·Granted Jan 24, 2017·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →