Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9365503 | Process for the preparation of isocyanates in the gas phase | Rainer Bruns, Wolfgang Lorenz, Lars Padeken, Bernd Pennemann, Fritz Pohl +2 more | 2016-06-14 |
| 9024057 | Process for the preparation of isocyanates in the gas phase | Rainer Bruns, Wolfgang Lorenz, Fritz Pohl, Friedhelm Steffens, Volker Michele | 2015-05-05 |
| 8399702 | Process for the production of aromatic diisocyanates in the gas | Fritz Pohl, Rainer Bruns, Friedhelm Steffens, Lars Padeken | 2013-03-19 |
| 7615662 | Process for the preparation of isocyanates in the gas phase | Fritz Pohl, Rainer Bruns, Friedhelm Steffens, Herbert Stutz | 2009-11-10 |
| 7541487 | Process for the preparation of isocyanates in the gas phase | Fritz Pohl, Rainer Bruns, Friedhelm Steffens, Herbert Stutz | 2009-06-02 |
| 6974880 | Process for the manufacture of (poly-)isocyanates in the gas phase | Peter Keldenich, Peter Fuhrmann, Christian Six | 2005-12-13 |
| 6472564 | Process for the preparation of toluylene diisocyanate, specific mixtures of toluylene diamine and water, and the use of toluylene diamine and water mixtures to prepare toluylene diisocyanate | Berthold Keggenhoff | 2002-10-29 |
| 5849947 | Process for the preparation of toluylene diisocyanate, specific mixtures of toluylene diamine and water, and the use of toluylene diamine and water mixtures to prepare toluylene diisocyanate | Berthold Keggenhoff | 1998-12-15 |
| 5609735 | Process and a device for separating a solid residue from its solution in a stirred bed of material | Hartmut Hetzel, Dieter Grenner, Wolfgang Ebner | 1997-03-11 |
| 5449818 | Process for the preparation of aromatic diisocyanates | Christian König, Eckart Waldau | 1995-09-12 |