Issued Patents All Time
Showing 51–61 of 61 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7091304 | Process for cleaning production plants for polyester polyols | Gerhard Klein, Erhard Michels, Ulrich Boddenberg | 2006-08-15 |
| 6977290 | Process for preparing oligomeric aliphatic diols, polycarbonatediols based thereon and prepolymers thereof | Erika Bauer, Manfred Schmidt, Hans-Dieter Ruprecht, James-Michael Barnes | 2005-12-20 |
| 6858699 | Polyurethane elastomers and processes for their preparation and use | Erhard Michels, Stephan Schleiermacher | 2005-02-22 |
| 6541411 | Titanium/zirconium catalysts and their use to prepare esters or polyesters | Andreas Hoffmann, Erika Bauer | 2003-04-01 |
| 6407201 | Plasticizers for bowling ball coverstocks | Ronald P. Taylor, Jeffrey A. Dodge | 2002-06-18 |
| 6140381 | Delayed action catalysts for carpet backing and air frothed foam | James W. Rosthauser, Robert L. Cline, Gerard C. Erhart | 2000-10-31 |
| 6020283 | Process for the production of delayed action tin catalysts | James W. Rosthauser, Robert L. Cline | 2000-02-01 |
| 6020386 | Process for the production of hydroxyfunctional compounds from (polyurethane) polyurea waste | Thomas Munzmay, Walter Meckel, Ulrich Liman, Werner Rasshofer, Karl-Heinz Dorner +1 more | 2000-02-01 |
| 5770671 | Process for polymerizing isocyanates | Bernd Quiring | 1998-06-23 |
| 5508312 | Process for the production of compounds containing hydroxyl groups from (polyurethane) polyurea waste materials | Thomas Munzmay, Werner Rasshofer, Walter Meckel | 1996-04-16 |
| 5476892 | Process for conditioning and stabilizing polyols | Hans-Joachim Scholl, Helmut Reiff, Bernd Quiring | 1995-12-19 |