| 8841480 |
Process for the preparation of light-colored iocyanates of a diphenylmethanediisocyanate series |
Heiner Schelling, Hans-Juergen Pallasch, Eckhard Stroefer, Byoung-Yeon Kim |
2014-09-23 |
| 8759569 |
Process for the production of isocyanates, preferably diisocyanates and polyisocyanates with solvent recirculation |
Heiner Schelling, Ulrich Penzel, Eckhard Stroefer, Matthias Eiermann, Kai Thiele +1 more |
2014-06-24 |
| 8748655 |
Process for preparing light-coloured isocyanates of the diphenylmethane series |
Heiner Schelling, Eckhard Stroefer, Byoung-Yeon Kim |
2014-06-10 |
| 8710267 |
Process for preparing MDA via the stage of the aminal |
Eckhard Stroefer, Kai Thiele, Michael Zoellinger, Johnny Moors |
2014-04-29 |
| 8519179 |
Method of measuring entry of water into phosgene-conducting plants |
Heiner Schelling, Ulrich Penzel, Eckhard Stroefer, Dirk Hablawetz, Dave Beckwith +6 more |
2013-08-27 |
| 6962967 |
Method of purifying polyether polyols of non-volatile impurities |
David D. Peters, Alexander Gershanovich |
2005-11-08 |
| 6489503 |
Storage stable methylene bis(phenylisocyanate) compositions |
Thirumurti Narayan, Anthony Lunato, David D. Peters, Cynthia Loop, Filip Nevejans |
2002-12-03 |
| 6469121 |
Process for the production of allophanate modified isocyanates |
Thirumurti Narayan, Nikolay Lebedinski |
2002-10-22 |
| 6120699 |
Storage stable methylene bis(phenylisocyanate) compositions |
Thirumurti Narayan, Anthony Lunato, David D. Peters, Cynthia Loop, Filip Nevejans |
2000-09-19 |