Inventor · disambiguated record
Stefan Scharfe
Also filed as: SCHARFE STEFAN
7 granted patents·3 pending applications·20 citations·filing 2008–2021
79Inventor score
Files withEVONIK DEGUSSA GMBH4SCHARFE STEFAN2EVONIK OPERATIONS GMBH1STANDKE BURKHARD1WAΒMER CHRISTIAN1
Top patents by PatentIndex Score
10 records- 0186US8728225B2Composition containing quaternary amino-functional organosilicon compounds and production and use thereofSTANDKE BURKHARD·Filed 2010·Granted May 20, 2014·6 cites·20 claims
- 0285US8979996B2Composition containing quaternary amino-functional organosilicon compunds and production and use thereofEVONIK DEGUSSA GMBH·Filed 2014·Granted Mar 17, 2015·4 cites·20 claims
- 0384US8747541B2Dispersion containing silica particles surface-modified with quaternary, aminofunctional organosilicon compoundsSCHARFE STEFAN·Filed 2010·Granted Jun 10, 2014·6 cites·21 claims
- 0474US2021230373A1Composition containing low-VOC, aminoalkyl-functional silicon compounds for coating colors for the treatment of paper or filmEVONIK OPERATIONS GMBH·Filed 2021·Application pending·0 cites
- 0573US8092587B2Stable aqueous dispersions of precipitated silicaZSCHUNKE FLORIAN·Filed 2011·Granted Jan 10, 2012·3 cites·19 claims
- 0671US2018305500A1Composition containing low-voc, aminoalkyl-functional silicon compounds for coating colors for the treatment of paper or filmEVONIK DEGUSSA GMBH·Filed 2018·Application pending·0 cites
- 0765US9796738B2Quaternary amino alcohol functional organosilicon compounds, composition containing the latter and their production and useWAΒMER CHRISTIAN·Filed 2011·Granted Oct 24, 2017·1 cites·15 claims
- 0864US2011259240A1Composition containing low-voc, aminoalkyl-functional silicon compounds for coating colors for the treatment of paper or filmEVONIK DEGUSSA GMBH·Filed 2008·Application pending·0 cites
- 0958US10221200B2Quaternary amino alcohol functional organosilicon compounds, composition containing the latter and their production and useEVONIK DEGUSSA GMBH·Filed 2017·Granted Mar 5, 2019·0 cites·17 claims
- 1039US8980960B2Methods for producing a dispersion containing silicon dioxide particles and cationization agentSCHARFE STEFAN·Filed 2011·Granted Mar 17, 2015·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →