Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |