Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342855 | Stable dispersions of polyhydrazodicarbonamides useful in the preparation of polyurethane products having improved load-bearing capacity | Michael A. Lucarelli, Richard E. Keegan, Mark A. Koshute, Geza Avar | 1994-08-30 |
| 5109035 | Process for the production of moldings or films of cross-linked polyisocyanate polyadducts and the moldings thus obtained | Joachim Wagner, Werner Rasshofer, Thomas Elsner | 1992-04-28 |
| 4824595 | Polyisocyanate compositions containing reversibly blocked catalysts and addition products of sulfonyl isocyanates with catalysts having a tin(II)- or tin(IV)-carboxylate structure | Roland Richter, Hanns P. Muller, Rudolf Hombach, Manfred Dollhausen, Geza Avar | 1989-04-25 |
| 4761307 | Process for the production of optionally foamed polyurethanes which are combined or fabricated with another material | Peter Haas, Geza Avar | 1988-08-02 |
| 4644017 | Process for the production of polyisocyanate addition products and composite polyisocyanate addition products | Peter Haas, Geza Avar, Claus-Dieter Sommerfeld, Hans-Walter Illger | 1987-02-17 |
| 4644016 | Process for the production of polyurethanes | Werner Rasshofer | 1987-02-17 |
| 4618532 | Upholstered seat having an air-permeable covering and a cold foam core | Robert Volland, Johannes Seesing, Herbert Bergmann | 1986-10-21 |
| 4510269 | Process for the production of optionally cellular polyurethanes | Richard Kopp | 1985-04-09 |
| 4390640 | Process for the production of optionally-foamed polyurethanes | Werner Rasshofer, Geza Avar, Gerhard Grogler, Richard Kopp | 1983-06-28 |
| 4379861 | Process for the production of polyurethanes using morpholine compounds as catalysts | Peter Haas | 1983-04-12 |
| 4320067 | Process for the preparation of modified polyisocyanates | Wulf von Bonin, Helmut Kleimann | 1982-03-16 |