Inventor · disambiguated record
Dietmar Wastian
Also filed as: WASTIAN DIETMAR
20 granted patents·1 pending application·158 citations·filing 1995–2021
93Inventor score
Top patents by PatentIndex Score
21 records- 0193US6936741B2Process for working up the waste water obtained in the preparation of dinitrotolueneBAYER MATERIALSCIENCE AG·Filed 2004·Granted Aug 30, 2005·61 cites·10 claims
- 0289US8097751B2Process for preparing polyisocyanates by the adiabatic phosgenation of primary aminesKOCH DANIEL·Filed 2005·Granted Jan 17, 2012·20 cites·5 claims
- 0389US8079752B2Process and mixing unit for the preparation of isocyanates by phosgenation of primary aminesRAUSCH ANDREAS·Filed 2008·Granted Dec 20, 2011·39 cites·16 claims
- 0482US7041858B1Process for the production of dinitrotolueneBAYER MATERIALSCIENCE AG·Filed 2005·Granted May 9, 2006·8 cites·5 claims
- 0579US10875827B2Process for preparing an isocyanate by partly adiabatic phosgenation of the corresponding amineCOVESTRO DEUTSCHLAND AG·Filed 2019·Granted Dec 29, 2020·1 cites·16 claims
- 0676US10851048B2Process 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
- 0775US10173970B2Method for producing 1,5-pentanediisocyanate in the gas phaseCOVESTRO DEUTSCHLAND AG·Filed 2015·Granted Jan 8, 2019·1 cites·11 claims
- 0868US7202378B2Process for producing 5-nitro-3,4-dihydro-1(H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanateBAYER MATERIALSCIENCE AG·Filed 2006·Granted Apr 10, 2007·1 cites·7 claims
- 0968US7202384B2Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1,5-naphthalenediamine and 1,5-naphthalene diisocyanateBAYER MATERIALSCIENCE AG·Filed 2006·Granted Apr 10, 2007·1 cites·6 claims
- 1067US10329248B2Method for producing 1,5-pentanediisocyanate in the gas phaseCOVESTRO DEUTSCHLAND AG·Filed 2018·Granted Jun 25, 2019·0 cites·11 claims
- 1165US7612234B2Processes for separating carbon monoxide from a hydrogen chloride-containing gasBAYER MATERIALSCIENCE AG·Filed 2007·Granted Nov 3, 2009·2 cites·16 claims
- 1263US6706924B2Process for the production of 1,5-naphthalenediamineBAYER AG·Filed 2001·Granted Mar 16, 2004·3 cites·11 claims
- 1361US6984762B2Process for the two-step production of dinitrotolueneBAYER AG·Filed 2004·Granted Jan 10, 2006·3 cites·7 claims
- 1461US6953869B2Process for working up secondary components in the preparation of dinitrotolueneBAYER MATERIALSCIENCE AG·Filed 2004·Granted Oct 11, 2005·7 cites·7 claims
- 1553US6528690B2Adiabatic process for producing dinitrotolueneBAYER AG·Filed 1998·Granted Mar 4, 2003·5 cites·12 claims
- 1649US6258986B1Process for the production of dinitrotolueneBAYER AG·Filed 1995·Granted Jul 10, 2001·5 cites·10 claims
- 1748US12473253B2Method for operating a plant for continuous production of an isocyanateCOVESTRO DEUTSCHLAND AG·Filed 2021·Granted Nov 18, 2025·0 cites·15 claims
- 1847US7057071B2Process for producing 5-nitro-3,4-dihydro-1(2H)-naphthalinone, 1-5-naphthalenediamine and 1,5-naphthalene diisocyanateBAYER MATERIALSCIENCE AG·Filed 2003·Granted Jun 6, 2006·0 cites·7 claims
- 1943US10435353B2Method for producing isocyanatesCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Oct 8, 2019·0 cites·16 claims
- 2036US10112892B2Process for preparing polyisocyanatesCOVESTRO DEUTSCHLAND AG·Filed 2016·Granted Oct 30, 2018·0 cites·15 claims
- 2133US2017305842A1Method for producing isocyanates in the gas phaseCOVESTRO DEUTSCHLAND AG·Filed 2015·Application pending·0 cites
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