Inventor · disambiguated record
Christian Steffens
Also filed as: STEFFENS CHRISTIAN
10 granted patents·1 pending application·52 citations·filing 2001–2019
85Inventor score
Files withCOVESTRO DEUTSCHLAND AG4BAYER AG3BAYER MATERIALSCIENCE AG2INOMETA GMBH & CO KG1RAUSCH ANDREAS1
Top patents by PatentIndex Score
11 records- 0189US8079752B2Process and mixing unit for the preparation of isocyanates by phosgenation of primary aminesRAUSCH ANDREAS·Filed 2008·Granted Dec 20, 2011·39 cites·16 claims
- 0279US10875827B2Process for preparing an isocyanate by partly adiabatic phosgenation of the corresponding amineCOVESTRO DEUTSCHLAND AG·Filed 2019·Granted Dec 29, 2020·1 cites·16 claims
- 0378US9272988B2Method for producing diisocyanates by phosgenating diamine suspensionsBAYER MATERIALSCIENCE AG·Filed 2013·Granted Mar 1, 2016·2 cites·9 claims
- 0478US7368595B2Process for the production of light-colored isocyanatesBAYER MATERIALSCIENCE AG·Filed 2007·Granted May 6, 2008·3 cites·7 claims
- 0576US10851048B2Process for preparing an isocyanate by partly adiabatically operated phosgenation of the corresponding amineCOVESTRO DEUTSCHLAND AG·Filed 2019·Granted Dec 1, 2020·1 cites·16 claims
- 0657US6844462B2BiphenydiolsBAYER AG·Filed 2003·Granted Jan 18, 2005·3 cites·2 claims
- 0756US6566298B2DiphosphinesBAYER AG·Filed 2002·Granted May 20, 2003·2 cites·2 claims
- 0854US2016153080A1Method for producing a coated component and a coated componentINOMETA GMBH & CO KG·Filed 2014·Application pending·0 cites
- 0953US6462200B2DiphosphinesBAYER AG·Filed 2001·Granted Oct 8, 2002·1 cites·1 claims
- 1037US10815193B2Process for providing hydrogen chloride for chemical reactionsCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Oct 27, 2020·0 cites·14 claims
- 1136US10112892B2Process for preparing polyisocyanatesCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Oct 30, 2018·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →