Inventor · disambiguated record
Stephan Sprenger
Also filed as: SPRENGER STEPHAN
6 granted patents·3 pending applications·31 citations·filing 2001–2021
77Inventor score
Files withEGER CHRISTIAN2EVONIK DEGUSSA GMBH2EVONIK HANSE GMBH1EVONIK OPERATIONS GMBH1KARLSRUHE FORSCHZENT1
Top patents by PatentIndex Score
9 records- 0182US7115765B2Method for producing 6-alkoxy-(6H)-dibenz [c,e] [1,2]-oxaphosphorinesKARLSRUHE FORSCHZENT·Filed 2003·Granted Oct 3, 2006·18 cites·11 claims
- 0273US9102778B2Modified phenol resinsSPRENGER STEPHAN·Filed 2008·Granted Aug 11, 2015·4 cites·10 claims
- 0366US6555227B2Latent combination compounds and latent ammonium salts comprising epoxide resin curing agents and flame-protection agents as well as epoxide resin systems and products prepared from themSCHILL & SEILACHER·Filed 2001·Granted Apr 29, 2003·8 cites·35 claims
- 0461US2024026059A1Matrix resin for production of fibre composite materialsEVONIK OPERATIONS GMBH·Filed 2021·Application pending·0 cites
- 0560US10422074B2Carbon fibre fibre-sizing containing nanoparticlesEVONIK DEGUSSA GMBH·Filed 2016·Granted Sep 24, 2019·0 cites·20 claims
- 0653US10479726B2Fibersizing with small amounts of nanomaterialsEVONIK DEGUSSA GMBH·Filed 2016·Granted Nov 19, 2019·0 cites·12 claims
- 0745US2015133597A1Polymer resin compositionEVONIK HANSE GMBH·Filed 2015·Application pending·0 cites
- 0843US2009298987A1Polymer resin compositionEGER CHRISTIAN·Filed 2005·Application pending·0 cites
- 0934US9175145B2Polymeric epoxy resin compositionEGER CHRISTIAN·Filed 2004·Granted Nov 3, 2015·1 cites·33 claims
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