Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472497 | Thermoplastic starch utilizing a biodegradable polymer as melting aid | Jurgen Loercks, Winfried Pommeranz, Harald Schmidt, Ralf Timmermann, Wolfgang Schulz-Schlitte | 2002-10-29 |
| 6307003 | Compostable adhesive | Karsten-Josef Idel, Uwe Westeppe, Wolfgang Schulz-Schlitte, Winfried Pommeranz, Jurgen Lorcks +1 more | 2001-10-23 |
| 6235815 | Biodegradable polymeric mixtures based on thermoplastic starch | Jurgen Loercks, Winfried Pommeranz, Harald Schmidt, Ralf Timmermann, Wolfgang Schulz-Schlitte | 2001-05-22 |
| 6071984 | Biodegradable plastics filled with reinforcing materials | Hanns P. Muller, Wolfgang Schulz-Schlitte, Aziz E. Sayed, Ralf Timmermann | 2000-06-06 |
| 5827905 | Biodegradable plastics filled with reinforcing materials | Hanns P. Muller, Wolfgang Schulz-Schlitte, Aziz E. Sayed, Ralf Timmermann | 1998-10-27 |
| 5726227 | Polymer moulding compositions stabilised with phosphorous acid esters | Herbert Magerstedt | 1998-03-10 |
| 5455311 | Thermoplastic block copolyesters capable of being composted for use as packaging materials | Ralf Dujardin, Ralf Timmermann, Hans-Georg Rast | 1995-10-03 |
| 5256702 | Method of foaming thermoplastic polycarbonate | Wolfgang Ebert, Burkhard Kohler, Wolfgang Beer, Ralf Dujardin, Klaus Horn | 1993-10-26 |
| 5223548 | Method of foaming thermoplastic polycarbonate | Wolfgang Ebert, Burkhard Kohler, Wolfgang Beer, Ralf Dujardin, Klaus Horn | 1993-06-29 |
| 5009925 | Process for the production of magnetic recording carriers | Walter Meckel, Burkhard Nippe | 1991-04-23 |
| 4855504 | Process for producing higher molecular weight amino compounds having reduced monomeric amine content | Werner Rasshofer, Gerhard Grogler, Heinrich Hess, Richard Kopp | 1989-08-08 |
| 4511680 | Process for the continuous high temperature glycolytic cleavage of polyurethane plastics waste in screw machines | Georg Niederdellmann | 1985-04-16 |
| 4399236 | Process for separating polyurethane hydrolyzates into polyether and diamine | Georg Niederdellmann, Norbert Roemer, Jurgen Schenk, Hartmut Hetzel | 1983-08-16 |
| 4282367 | Process for the separation of polyurethane foam hydrolysates into polyol and diamine | Georg Niederdellmann, Norbert Roemer | 1981-08-04 |
| 4195132 | Cross-linked plastics based on cyanic acid esters and method of production thereof | Rudolf Sundermann, Gunther Rottloff | 1980-03-25 |