Inventor · disambiguated record
Hans-Werner Michalczak
Also filed as: MICHALCZAK HANS-WERNER
9 granted patents·1 pending application·235 citations·filing 1991–2007
87Inventor score
Technology areasC07C
Top patents by PatentIndex Score
10 records- 0196US5087739ACirculation process for the production of aliphatic and cycloaliphatic diisocyanatesHUELS CHEMISCHE WERKE AG·Filed 1991·Granted Feb 11, 1992·165 cites·15 claims
- 0290US5360931AContinuous multi-stage process for the preparation of (cyclo) aliphatic diisocyanatesHUELS CHEMISCHE WERKE AG·Filed 1993·Granted Nov 1, 1994·48 cites·25 claims
- 0376US8816125B2Process for the continuous preparation of (cyclo)aliphatic diisocyanatesMICHALCZAK HANS-WERNER·Filed 2007·Granted Aug 26, 2014·4 cites·14 claims
- 0474US7371891B2Multistage continuous preparation of cycloaliphatic diisocyanatesDEGUSSA·Filed 2005·Granted May 13, 2008·2 cites·50 claims
- 0573US7557242B2Multistage continuous preparation of cycloaliphatic disocyanatesDEGUSSA·Filed 2005·Granted Jul 7, 2009·2 cites·49 claims
- 0673US7420080B2Multistage continuous preparation of cycloaliphatic diisocyanatesDEGUSSA·Filed 2005·Granted Sep 2, 2008·2 cites·53 claims
- 0770US7329776B2Multistage continuous preparation of cycloaliphatic diisocyanatesDEGUSSA·Filed 2004·Granted Feb 12, 2008·5 cites·119 claims
- 0868US7307186B2Multistage continuous preparation of cycloaliphatic diisocyanatesDEGUSSA·Filed 2004·Granted Dec 11, 2007·4 cites·54 claims
- 0964US7339074B2Multistage continuous preparation of cycloaliphatic diisocyanatesDEGUSSA·Filed 2004·Granted Mar 4, 2008·3 cites·43 claims
- 1041US2010168329A1Aliphatic, cycloaliphatic or (cyclo)aliphatic diisocyanates that are stable in storageDEGUSSA·Filed 2005·Application pending·0 cites
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