Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5977198 | Process for the production of resilient, flexible polyurethane foams | Peter Haas | 1999-11-02 |
| 5158987 | Process for the preparation of highly elastic polyurethane flexible foams and their use as upholstery material | Peter Haas | 1992-10-27 |
| 5104905 | Process for the preparation of polyurethane foams | Peter Haas, Gundolf Jacobs | 1992-04-14 |
| 5104906 | Process for the preparation of polyurethane foams | Peter Haas, Gundolf Jacobs | 1992-04-14 |
| 5023280 | Process for the production of polyurethane foams | Peter Haas | 1991-06-11 |
| 5017623 | Process for the preparation of polyurethane foams | Peter Haas, Andreas Ruckes | 1991-05-21 |
| 4981878 | Process for the production of heat curable flexible polyurethane molded foams | Hans-Joachim Kogelnik, Martin Brock | 1991-01-01 |
| 4977194 | Process for the preparation of polyurethane foams | Peter Haas | 1990-12-11 |
| 4668734 | Stable dispersions of polyureas and/or polyhydrazo-dicarbonamides in relatively high molecular weight hydroxyl-group containing materials, a process for the production thereof and the use thereof for the production of polyurethane plastics | Manfred Dietrich, Klaus K/o/ nig, Peter Seifert, Peter Vehlewald | 1987-05-26 |
| 4618706 | Process for the preparation of aromatic polyisocyanates containing urea and/or biuret groups | Hans-Joachim Scholl | 1986-10-21 |
| 4546116 | Process for the production of highly elastic foams containing urethane groups and foams obtainable by this process | Hanns P. Muller, Kuno Wagner, Peter Vogtel | 1985-10-08 |
| 4493909 | Poly-N,N-hydroxyalkylamides of polybasic carboxylic acids and a process for the production thereof | Peter Haas | 1985-01-15 |
| 4456709 | Polyisocyanate mixtures, process for their production and their use in the production of polyurethane plastics | Roland Richter, Hanns P. Muller | 1984-06-26 |