Issued Patents All Time
Showing 76–94 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4600752 | Easy-flowing impact-resistant polyamide modified with oxycarbonyl isocyanate | Rolf Dhein, Bert Brassat, Hermann Hagemann | 1986-07-15 |
| 4585856 | Process for the preparation of polyarylene sulphides | Wolfgang Ebert, Karsten-Josef Idel, Rudiger Schubart | 1986-04-29 |
| 4567210 | Process for foaming thermoplastic aromatic polycarbonates | Heinz Hammer, Klaus Kircher | 1986-01-28 |
| 4535149 | Process for the production of polyarylene sulphides | Wolfgang Ebert, Karsten-Josef Idel, Rolf Dhein | 1985-08-13 |
| 4510288 | Cyclic amidines, a process for their production and their use as catalysts in the hardening of epoxide resins | Hans-Joachim Kreuder, Erwin Hohl | 1985-04-09 |
| 4455425 | Bicyclic amidine-isocyanate adducts | Hans-Joachim Kreuder, Eckhard de Cleur | 1984-06-19 |
| 4455426 | Tetrahydropyrimidine-isocyanate addition products | Hans-Joachim Kreuder, Eckhard de Cleur | 1984-06-19 |
| 4424313 | Reactive polymers containing carboxyl groups, a process for the production thereof, and the use thereof as binder components for powder lacquers | Hans-Joachim Kreuder, Peter Ho/ hlein | 1984-01-03 |
| 4424353 | Bicyclic amidines | Hans-Joachim Kreuder, Eckhard de Cleur | 1984-01-03 |
| 4321336 | High impact polyamide blends | Rolf Dhein, Friedrich Fahnler | 1982-03-23 |
| 4307227 | Ester-modified polyamides | Gerhard Hohmann, Hans Rudolph, Rolf Dhein, Manfred Dollhausen | 1981-12-22 |
| 4287315 | Polyamide blends | Rolf Dhein, Friedrich Fahnler | 1981-09-01 |
| 4255560 | Transparent copolyamides from 2,4'-PACM | Rolf Dhein, Friedrich Fahnler, Dietrich Michael, Hans Rudolph, Werner Nielinger | 1981-03-10 |
| 4246371 | Polyamide blends | Peter Tacke | 1981-01-20 |
| 4223127 | Polyamides from 2,4'-diaminodicyclohexyl methane | Rolf Dhein, Hans Rudolph | 1980-09-16 |
| 4205159 | Transparent polyamides from PACM and a mixture of dicarboxylic acids | Rolf Dhein, Friedrich Fahnler | 1980-05-27 |
| 4195163 | Activated anionic polymerization of lactams with liquid isocyanatoallophanate activator | Rolf Dhein, Friedrich Fahnler | 1980-03-25 |
| 4195164 | Transparent polyamides | Rolf Dhein, Friedrich Fahnler | 1980-03-25 |
| 4191819 | Activated anionic polymerization of lactam with partially masked polyisocyanate | Rolf Dhein, Kurt Schneider, Friedrich Fahnler | 1980-03-04 |