WL

Werner Langer

Basf Se: 6 patents #2,778 of 13,826Top 25%
SA Sandoz Ag: 1 patents #497 of 1,103Top 50%
Overall (All Time): #755,130 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7022874 Preparation of biuret-containing polyisocyanates Bernd Bruchmann, Stefan Wolff, Wolfgang Heider, Joachim Jähme, Hans Renz 2006-04-04
6414184 Process for producing polyisocyanates containing biuret groups from (cyclo)aliphatic diisocyanates Bernd Bruchmann, Martin Reif, Werner Hofscheuer, Joachim Jähme, Hans Renz +2 more 2002-07-02
5698694 Process for preparing substituted pyrimidines Takeo Hokama, Ian S. Cloudsdale, Hermann Schneider 1997-12-16
5641851 Preparation of biuret-containing polyisocyanates Stefan Wolff, Wolfgang Heider, Hans Renz 1997-06-24
5532329 Copolymers and mixtures which are self-curable with atmospheric humidity Ulrich Filges, Oral Aydin, Gerhard Auchter, Juergen Barwich, Hermann Anders +1 more 1996-07-02
5246993 Oligomeric carbodiimides Deitrich Scherzer, Roland Minges, Friedhelm Lehrich 1993-09-21
5207942 Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced iodine color number Dietrich Scherzer, Roland Minges, Bernd Bruchmann, Wolfgang Heider, Peter Keller +2 more 1993-05-04