Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4754001 | Thermosetting cyanate resin and the use thereof for the production of composite materials and IPNs | Rolf Dhein, Lothar Preis, Manfred Schreckenberg | 1988-06-28 |
| 4659797 | Matrix materials and a process for their preparation | Wulf von Bonin, Ulrich von Gizycki, Lothar Preis | 1987-04-21 |
| 4631319 | Thermosetting cyanate resin and the use thereof for the production of composite materials and IPNs | Rolf Dhein, Lothar Preis, Manfred Schreckenberg | 1986-12-23 |
| 4365000 | Molded bodies of vulcanized rubber having a vulcanized-on layer of varnish | Hanns P. Muller, Kuno Wagner, Hermann Menk | 1982-12-21 |
| 4348536 | Odorless catalysts for the synthesis of polyurethanes | Hans-Jürgen Hübner, Johannes Franciscus Gerardus Koster, Hans-Joachim Meiners, Heinz Thomas | 1982-09-07 |
| 4323657 | Dispersions of high melting polyesters in polyhydroxyl compounds, a process for their preparation and their use in the production of polyurethanes | Jan Mazanek, Roland Gipp, Robert Zollner, Peter Seifert, Kuuno Wagner | 1982-04-06 |
| 4312672 | Release agent for removing plastics, especially polyurethane plastics from molds | Hermann Menk | 1982-01-26 |
| 4310633 | Hexahydrotriazine carboxylates and the use thereof as catalysts in the production of polyisocyanurate plastics | Peter Haas, Rolf Wiedermann | 1982-01-12 |
| 4297442 | Cellular elastomeric foams and method of production using an expanding agent containing a component reactive with the polyamine chain-lengthening agent | — | 1981-10-27 |
| 4260557 | Polymer containing amino groups and hydroxyl and/or mercapto groups and the use thereof for the production of polyurethane resins | Jan Mazanek | 1981-04-07 |
| 4260754 | Hexahydrotriazine carboxylates and the use thereof as catalysts in the production of polyisocyanurate plastics | Peter Haas, Rolf Wiedermann | 1981-04-07 |
| 4248930 | The production of polyurethane resins and laminates | Peter Haas, Werner Mormann, Manfred Kapps | 1981-02-03 |
| 4228249 | Segmented polyurethane resins | Roland Gipp, Kuno Wagner, Erwin Muller, Jan Mazanek, Peter Haas | 1980-10-14 |
| 4186257 | Process for the preparation of new segmented polyurethane resins derived from block copolymers being linked together through ester and/or urethane and/or urea groups | Roland Gipp, Kuno Wagner, Erwin Muller, Jan Mazanek, Peter Haas | 1980-01-29 |