Issued Patents All Time
Showing 51–75 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4263181 | Chemically stabilized azulmic acids, processes for their preparation and their use | Kurt Findeisen | 1981-04-21 |
| 4260530 | Process for the preparation of polyurethane resins using stable dispersions as a starting component | Artur Reischl, Hanns P. Muller | 1981-04-07 |
| 4258222 | Process for the production of low molecular weight polyhydroxyl compounds | Edgar Mohring, Hanns P. Muller | 1981-03-24 |
| 4255529 | Process for the preparation of cellular or non-cellular polyurethane resins | Edgar Mohring, Hanns P. Muller | 1981-03-10 |
| 4254176 | Novel transparent polyurethane polyurea films for lamination of glazing materials and their method of production | Hanns P. Muller, Wolfgang Oberkirch, Bernd Quiring | 1981-03-03 |
| 4252919 | Stabilized azulmic acids, processes for their preparation and their use | Kurt Findeisen | 1981-02-24 |
| 4251462 | Aminomethyl cyclododecanes, a process for their production and their use as corrosion inhibitors | Rudolf Braden | 1981-02-17 |
| 4251255 | Agrochemical agents and their use | Johanness Niggemann, Kurt Findeisen, Hans Scheinpflug | 1981-02-17 |
| 4248978 | Pulverulent coating composition | Eckhard de Cleur, Rolf Dhein, Hans Rudolph, Hans-Joachim Kreuder, Hanns P. Muller +2 more | 1981-02-03 |
| 4247689 | Preparation of isocyanate derivatives of 1,3[oxazoles, oxazines, diazoles and diazines] | Kurt Findeisen, Walter Uerdingen | 1981-01-27 |
| 4247654 | Alkoxylated formose polyols and their use in polyurethane plastics | — | 1981-01-27 |
| 4247653 | Process for the preparation of low molecular weight polyhydroxyl compounds | — | 1981-01-27 |
| 4246160 | Process for the production of aminoplast dispersions | Jurgen Ick, Gerhard Balle | 1981-01-20 |
| 4242489 | Process for preparing polyurethanes | Kurt Findeisen, Walter Uerdingen | 1980-12-30 |
| 4238407 | Process for the preparation of nitro diphenyl amine derivatives | Rudolf Fauss, Jan Mazanek | 1980-12-09 |
| 4228249 | Segmented polyurethane resins | Johannes Blahak, Roland Gipp, Erwin Muller, Jan Mazanek, Peter Haas | 1980-10-14 |
| 4225481 | Aminoplast dispersions and polyurethanes prepared therefrom | — | 1980-09-30 |
| 4224417 | High molecular weight polyamines and their use in preparation of polyurethane resins | Manfred Hajek, Friedrich W. Moller, Peter Vehlewald | 1980-09-23 |
| 4221876 | Isocyanate-reactive mixtures based on formose | — | 1980-09-09 |
| 4219508 | Process for the preparation of low molecular weight polyhydroxyl compounds | — | 1980-08-26 |
| 4206109 | Process for the preparation of stable dispersions | Artur Reischl, Hanns P. Mulller | 1980-06-03 |
| 4205138 | Polyurethane foams and elastomers prepared from low molecular weight polyhydroxyl compounds | Hanns P. Muller | 1980-05-27 |
| 4192926 | Polyhydroxyl compounds containing acyl urea groups | Walter Schafer, Kurt Findeisen | 1980-03-11 |
| 4192936 | Preparation of polyisocyanates containing biuret groups | Edgar Mohring, Hanns P. Muller | 1980-03-11 |
| 4192927 | Polyhydroxyl compounds containing phosphonormamidine groups | Walter Schafer, Kurt Findeisen | 1980-03-11 |