Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE32046 | Solutions for stabilizing thermoplastic polycarbonates | Rolf Dhein, Wolfgang Cohnen, Engelbert Kuhle, Gerhard Heywang | 1985-12-10 |
| 4456717 | Stabilizer compositions, their use for stabilizing thermoplastic, polycarbonates and stabilized thermoplastic polycarbonates | Rolf Dhein, Klaus Kircher | 1984-06-26 |
| 4421879 | Use of 3,4-disubstituted anilines as accelerators for unsaturated polyester resins | Klaus Kraft, Dieter Margotte | 1983-12-20 |
| 4367303 | Solutions for stabilizing thermoplastic polycarbonates | Rolf Dhein, Wolfgang Cohnen, Engelbert Kuhle, Gerhard Heywang | 1983-01-04 |
| 4348495 | Phosphorous acid esters and their use for stabilizing polyamides | Hans-Josef Buysch, Bert Brassat, Karl H. Hermann | 1982-09-07 |
| 4324934 | Hydrocarbon, a process for its production and its use as a reactive thinner for air-drying lacquers | Rolf Dhein | 1982-04-13 |
| 4323501 | Esters of phosphorous acid | Dieter Margotte, Helmut Schmid, Rolf Dhein | 1982-04-06 |
| 4252750 | Cyclic phosphorous acid esters | Hans-Josef Buysch, Bert Brassat, Karl H. Hermann | 1981-02-24 |
| 4225483 | Boric acid esters and oxetanes for stabilizing phosphite-free polycarbonates | Rolf Dhein, Wolfgang Cohnen | 1980-09-30 |