Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6638986 | Preparation of in situ-reticulated flexible polyurethane foams | Heinz-Dieter Lutter, Michael Pcolinski | 2003-10-28 |
| 6586486 | Preparation of low-density hydrophilic flexible polyurethane foams | Heinz-Dieter Lutter, Michael Pcolinski | 2003-07-01 |
| 6583192 | Preparation of flexible polyurethane foams | Heinz Schroder, Lothar Baum | 2003-06-24 |
| 6495652 | Prepolymers containing isocyanate groups and a method for the production thereof | Michael Reichelt, Udo Rotermund, Renate Hempel, Peter von Malotki, Holger Seifert | 2002-12-17 |
| 6337356 | Production of sound-absorbing polyurethane foams having an adhesive surface | Bernd Zaschke, Kirsten Schmaler | 2002-01-08 |
| 6316514 | Production of sound-damping and energy-absorbing polyurethane foams | Inge Rotermund, Klaus Schmutzer, Kirsten Schmaler | 2001-11-13 |
| 6103140 | Preparation of a stable dispersion of melamine in polyol components | Regina Hendreich, Michael Reichelt | 2000-08-15 |
| 6093342 | Preparation of a homogeneous, demixing-stable polyol component | Regina Hendreich, Marita Schuster, Bernd Zaschke | 2000-07-25 |
| 6087410 | Production of polyurethane foams | Inge Rotermund, Marita Schuster, Steffen Klippert | 2000-07-11 |
| 6063308 | Preparation of a homogeneous polyol component which is stable to separation | Regina Hendreich, Ralf Fritz, Inge Rotermund | 2000-05-16 |
| 6059990 | Preparation of a stable dispersion of melamine in polyol components | Regina Hendreich, Michael Reichelt | 2000-05-09 |
| 6034146 | Preparation of a stable dispersion of melamine in polyol components | Regina Hendreich, Michael Reichelt | 2000-03-07 |
| 5654344 | Production of rigid to semirigid polyurethane foams having an increased proportion of open cells and reduced shrinkage | Inge Rotermund, Bernhard Naber | 1997-08-05 |
| 5578653 | Preparation of cellular polyurethanes | Regina Hendreich, Dieter Tintelnot, Marion Wenzel | 1996-11-26 |
| 5492941 | Polyurethane-based, compact moldings or moldings having a cellular core and a compacted surface, process for their production, and their use as shoe or shoe sole material | Holger Seifert, Marion Heinz | 1996-02-20 |
| 5488070 | Polyurethane-based, compact moldings or moldings having a cellular core and a compacted surface, process for their production, and their use as shoe or shoe sole material | Holger Seifert, Marion Heinz | 1996-01-30 |