Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12017383 | Method and system for separating waste polyurethane foams | Sascha Froebel, Robert Grimm, Katharina Ander, Franz Siegl, Jan Willems +2 more | 2024-06-25 |
| 11279809 | Phosphinate as flame-proofing additive for PUR/PIR hard foam material | Rolf Albach, Torsten Hagen, Nicole Welsch | 2022-03-22 |
| 9926421 | Vacuum-supported method for the production of polyurethane foam | Reinhard Albers, Stephanie Vogel, Michael Loof, Zhihong Gu, Atsushi Urano +2 more | 2018-03-27 |
| 9718936 | Method for producing a hard polyurethane-polyisocyanurate foamed material | Stephan Schleiermacher, Patrick Klasen, Reinhard Albers, Stephan Moers, Dirk Steinmeister +2 more | 2017-08-01 |
| 8980422 | Polyurethane/polyisocyanurate foam having improved adhesion properties | Rolf Roers, Maria Dolors Mateu | 2015-03-17 |
| 8592623 | Method for producing polyester polyols having low amounts of dioxane waste | Rolf Roers, Hartmut Nefzger, Erika Bauer, Johannes Van De Braak, Jürgen Schloβmacher | 2013-11-26 |
| 7671104 | Fine cell, water-blown rigid polyurethane foams | Walter Klan | 2010-03-02 |
| 6860076 | Covering arrangement for a building, and covering part for use in such a covering arrangement | — | 2005-03-01 |
| 6586490 | Polyol mixture for the preparation of rigid polyurethane foams | Karl Werner Dietrich, Manfred Dietrich | 2003-07-01 |
| 6472449 | Compressed, rigid polyurethane foams | Karl Werner Dietrich, Walter Klan | 2002-10-29 |
| 6316513 | Process for the producing of hard polyurethane foams with low heat conductivity | Dennis McCullough, Norbert Eisen, Walter Klan | 2001-11-13 |
| 6306920 | Method for producing closed-cell rigid polyurethane foams having low thermal conductivity | Werner Dietrich, Walter Klan | 2001-10-23 |
| 6071978 | Method of producing hydrocarbon-expanded rigid polyurethane foams | Norbert Eisen, Dennis McCullough, Walter Klan | 2000-06-06 |
| 5886062 | Process for the production of rigid polyurethane foams | Karl Werner Dietrich, Manfred Dietrich | 1999-03-23 |
| 5854358 | Polymerizing monomers in presence of polyol and castor oil-polyol product | Hans-Joachim Scholl, Manfred Dietrich, Gundolf Jacobs, Mark R. Kratz, Josef Sanders +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, Gundolf Jacobs, Josef Sanders, Helmut Woynar | 1998-09-29 |
| 5594066 | Low-viscosity, stable, agglomerate-free polymer polyols, a process for their preparation and their use in producing polyurethane plastics | Manfred Dietrich, Gundolf Jacobs, 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, Helmut Woynar, Gundolf Jacobs +1 more | 1996-09-10 |