Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9701804 | Method for producing flexible polyurethane foams | Norbert Hahn, Sven Meyer-Ahrens, Bernd Dohmen | 2017-07-11 |
| 6472447 | Stabilized, finely disperse low-viscosity polymer polyols with a high content of polystyrene or polystyrene copolymers | Klaus Lorenz, Manfred Dietrich, Michael Brockelt, Uwe Scholz, Robert J. Kumpf +1 more | 2002-10-29 |
| 5919976 | Sulfonated aliphatic compounds | Bin Lee, Harold Pielartzik | 1999-07-06 |
| 5863961 | Flexible polyurethane foams and a process for the production thereof | Peter Haas | 1999-01-26 |
| 5854358 | Polymerizing monomers in presence of polyol and castor oil-polyol product | Torsten Heinemann, Hans-Joachim Scholl, Manfred Dietrich, Mark R. Kratz, Josef Sanders +1 more | 1998-12-29 |
| 5814676 | Flexible polyurethane foams and a process for the production thereof | Peter Haas | 1998-09-29 |
| 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, Josef Sanders, Helmut Woynar | 1998-09-29 |
| 5672768 | Low-odor, higher molecular weight polyether polyols, a process for producing them, and their use for the production of polymers, cosmetics and pharmaceutical products synthesized from polyether polyols | Pramod Gupta, Joel Leuridan | 1997-09-30 |
| 5652319 | Low-odor, higher molecular weight polyether polyols, a process for producing them, and their use for the production of polymers, cosmetics and pharmaceutical products synthesized from polyether polyols | Pramod Gupta, Joel Leuridan | 1997-07-29 |
| 5594066 | Low-viscosity, stable, agglomerate-free polymer polyols, a process for their preparation and their use in producing polyurethane plastics | Torsten Heinemann, Manfred Dietrich, Mark R. Kratz, Josef Sanders, Uwe Scholz +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, Helmut Woynar +1 more | 1996-09-10 |
| 5459171 | Core discoloration preventing agents in the production of isocyanate-based foams | Peter Haas, Sven Meyer-Ahrens | 1995-10-17 |
| 5278197 | Soft, flexible polyurethane foam | Bin Lee | 1994-01-11 |
| 5104905 | Process for the preparation of polyurethane foams | Peter Haas, Hans Hettel | 1992-04-14 |
| 5104906 | Process for the preparation of polyurethane foams | Peter Haas, Hans Hettel | 1992-04-14 |
| 4970243 | Process for the production of flexible slabstock polyurethane foams | Peter Haas, Hans-Walter Illger, Hans-Joachim Kogelnik, Klaus-Dieter Wolf | 1990-11-13 |