Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5994491 | Process for the production of polyisocyanates having a biuret structure | Manfred Schmidt, Jurgen Gronen | 1999-11-30 |
| 5854358 | Polymerizing monomers in presence of polyol and castor oil-polyol product | Torsten Heinemann, Hans-Joachim Scholl, Manfred Dietrich, Gundolf Jacobs, Mark R. Kratz +1 more | 1998-12-29 |
| 5814699 | Continuous process for the preparation of highly stable, finely divided, low viscosity polymer polyols of small average particle size | Mark R. Kratz, Manfred Dietrich, Torsten Heinemann, Gundolf Jacobs, Josef Sanders | 1998-09-29 |
| 5594066 | Low-viscosity, stable, agglomerate-free polymer polyols, a process for their preparation and their use in producing polyurethane plastics | Torsten Heinemann, Manfred Dietrich, Gundolf Jacobs, Mark R. Kratz, Josef Sanders +1 more | 1997-01-14 |
| 5554662 | Low viscosity polymer polyols a process for their production as well as the manufacture of polyurethane from materials | Josef Sanders, Mark R. Kratz, Manfred Dietrich, Torsten Heinemann, Gundolf Jacobs +1 more | 1996-09-10 |
| 4837359 | Process for the production of polyisocyanates with biuret structures | Klaus Konig, Josef Pedain, William E. Slack | 1989-06-06 |
| 4831075 | Leather treatment agent | Harro Traubel, Hans-Werner Muller | 1989-05-16 |
| 4810251 | Fatliquoring solution dispersion or emulsion and a process for treating leather therewith | Harro Traubel, Hans-Werner Muller, Hans J. Focks | 1989-03-07 |
| 4656223 | Process for the production of modified polyisocyanates, the compounds obtainable by this process and their use in polyurethane lacquers | Klaus Konig, Josef Pedain | 1987-04-07 |
| 4625052 | Process for the production of polyisocyanates which have a biuret structure | Klaus Konig, Josef Pedain | 1986-11-25 |
| 4613686 | Process for the preparation of polyisocyanates with biuret structure | Klaus Konig, Josef Pedain | 1986-09-23 |