Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5072017 | Process for the preparation of P-substituted O-benzylphenols | Hans-Josef Buysch, Gunter Klug, Lothar Puppe | 1991-12-10 |
| 5071921 | Thermoplastic block copolymers based on cyclic carbonates or esters | Herbert Eichenauer, Christian Lindner, Edgar Leitz, Karl-Heinz Ott, Hans-Josef Buysch +2 more | 1991-12-10 |
| 4851550 | Process for the preparation of cyclic aliphatic orthocarbonic esters new cyclic orthocarbonic esters | Hans-Josef Buysch | 1989-07-25 |
| 4754017 | Process for the preparation of linear aliphatic polycarbonate from cyclic aliphatic carbonate | Edgar Leitz, Christian Lindner, Herbert Eichenauer, Karl-Heinz Ott, Hans-Josef Buysch +2 more | 1988-06-28 |
| 4707539 | Process for the preparation of thermosetting aliphatic polycarbonate with quaternary salt catalyst | Dimitrios Kerimis, Hanns P. Muller, Hans-Josef Buysch | 1987-11-17 |
| 4694065 | Process for the production of duromeric aliphatic polycarbonates | Hans-Josef Buysch, Bert Brassat, Heinrich Heine | 1987-09-15 |
| 4608207 | Dialkyl 2-alkylcarbonatoethanephosphonates | Hans-Josef Buysch | 1986-08-26 |
| 4587347 | N-phenyl-N'-vinylethyleneureas | Hans-Josef Buysch, Reinhold Klipper, Peter M. Lange | 1986-05-06 |
| 4568755 | Chlorocarbonic esters and polycyclic carbonic esters obtainable therefrom | Bert Brassat, Hans-Josef Buysch | 1986-02-04 |