Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4565645 | Single-stage process for the production of polyamines and polyamines produced by such process | Dieter Dieterich | 1986-01-21 |
| 4562289 | Homogeneous storage stable cyanamide solutions in polyols and a process for their production | Manfred Hajek, Hanns P. Muller | 1985-12-31 |
| 4554340 | Homogeneous, storage-stable polyol compositions of high ethylene glycol content and their use for the production of polyurethanes | Rudolf Heusch, Wolfgang Reichmann, Adolf Richartz | 1985-11-19 |
| 4540720 | Polyamines, a process for the production of polyamines and their use in the production of polyurethanes | Gerhard Grogler, Klaus Konig, Dieter Dieterich | 1985-09-10 |
| 4532317 | Aromatic polyamines containing primary aromatic amino groups, urethane groups and polyester groups, and a process for the production thereof | — | 1985-07-30 |
| 4532266 | Polymer-containing polyether polyamines and a process for the production of these polyamines | Gerhard Balle, Dieter Dieterich, Holger Meyborg | 1985-07-30 |
| 4525534 | Polyamines and a single-stage process for the production thereof | — | 1985-06-25 |
| 4525590 | Simplified process for the production of polyamines by the alkaline hydrolysis of compounds containing NCO-groups | Klaus Konig, Holger Meyborg, Walter Meckel, Armin Zenner | 1985-06-25 |
| 4518521 | Homogeneous, storage-stable polyol compositions of high ethylene glycol content and their use for the production of polyurethanes | Rudolf Heusch, Wolfgang Reichmann, Adolf Richartz | 1985-05-21 |
| 4515923 | Polyamines and a process for their production | Rudolf Fauss, Hans-Joachim Meiners, Holger Meyborg | 1985-05-07 |
| 4507464 | Polyisocyanates prepared by phosgenating a polyamine in the presence of a compound containing at least one hydroxyl group | — | 1985-03-26 |
| 4506039 | Process for the production of polymer-containing aromatic polyether polyamines | Gerhard Balle, Winfried Schoberth | 1985-03-19 |
| 4501873 | Preparation of polyamines by hydrolyzing a polyisocyanate in the presence of an isocyanate-reactive compound with water | — | 1985-02-26 |
| 4500656 | Process for the preparation of a cellular polyurethane | Ernst-Christoph Prolingheuer | 1985-02-19 |
| 4472568 | Process for the preparation of polyamines from N-monoaryl-N',N'-dialkyl urea compounds and their use for the synthesis of polyurethanes | Gerhard Grogler | 1984-09-18 |
| 4469856 | Non-crystalline polyamine/carbonic acid salt compositions, a process for their preparation and their use for the production of polyurethane ureas, especially foamed coatings | Wilhelm Thoma, Anton Schmitz | 1984-09-04 |
| 4456730 | Polymer modified polyamines and a process for their preparation | Gerhard Balle | 1984-06-26 |
| 4442236 | Process for the production of molded articles | Hermann Schafer, Reiner Paul, Josef Beuth | 1984-04-10 |
| 4436841 | Single-phase, storage-stable polyol compositions containing salts and the use thereof in the production of polyurethanes | Wolfgang Reichmann, Adolf Richartz, Manfred Dietrich | 1984-03-13 |
| 4418160 | Polyamines and processes for the production of such polyamines and of polyurethane plastics therefrom | Dieter Dieterich, Holger Meyborg | 1983-11-29 |
| 4418159 | Process for the production of polyurethanes and a storable intermediate product for carrying out this process | Richard Kopp, Reiner Paul | 1983-11-29 |
| 4390640 | Process for the production of optionally-foamed polyurethanes | Geza Avar, Hans-Albrecht Freitag, Gerhard Grogler, Richard Kopp | 1983-06-28 |
| 4386218 | Polyamines and processes for the production of such polyamines and of polyurethane plastics therefrom | Dieter Dieterich, Holger Meyborg | 1983-05-31 |
| 4384102 | Process for the preparation of compounds having s-triazine units and epoxide groups | Gerhard Grogler, Richard Kopp | 1983-05-17 |
| 4368278 | Process for the production of polyurethanes using cyclic N-hydroxyalkyl-substituted compounds containing amidine groups as catalysts | Gerhard Grogler, Kurt Findeisen | 1983-01-11 |