Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7977431 | Dithiocarbamic esters | Dirk Achten, Michael Klimpel, Emilie Barriau, Lothar Reif, Renke Mottweiler +2 more | 2011-07-12 |
| 7951875 | Low molecular weight hydrogenated nitrile rubber | Frederic Guerin, Sharon Guo, Stephan Glander | 2011-05-31 |
| 7919563 | Low molecular weight hydrogenated nitrile rubber | Frederic Guerin, Sharon Guo, Stephan Glander | 2011-04-05 |
| 7825193 | Dithiocarbamic esters | Dirk Achten, Michael Klimpel, Emilie Barriau, Lothar Reif, Renke Mottweiler +2 more | 2010-11-02 |
| 7169937 | Dithiocarbamic esters | Dirk Achten, Michael Klimpel, Emilie Barriau, Lothar Reif, Renke Mottweiler +2 more | 2007-01-30 |
| 7071292 | Method for the preparation of purified elastomers from solution | Dirk Achten, Rafael Warsitz, Gregor Dudziak, Franz-Josef Mersmann, Stephen Pask | 2006-07-04 |
| 6780939 | Low molecular weight hydrogenated nitrile rubber | Frederic Guerin, Sharon Guo, Stephan Glander | 2004-08-24 |
| 5013783 | Heat-stable rubber compositions based on hydrogenated nitrile rubber | Joachim Thormer, Ernst Rohde | 1991-05-07 |
| 4963621 | Cross-linkable mixtures based on hydrogenated nitrile rubber and ethylene/acrylonitrile copolymers | Werner Obrecht, Jurgen Wassen | 1990-10-16 |
| 4897436 | New Stabilizers and their use for the production of stabilized polyamides and rubber materials | Hans-Josef Buysch, Bert Brassat, Christiane Oppenheimer-Stix | 1990-01-30 |
| 4829128 | Low molecular weight copolymers and covulcanizates produced therefrom | Hartmuth Buding, Joachim Thormer | 1989-05-09 |
| 4826721 | Laminated materials of pretreated fibre material and vulcanization products of hydrogenated nitrile rubber | Werner Obrecht, John Goossens, Jean Mirza, Jurgen Pabst, Joachim Thormer | 1989-05-02 |
| 4791172 | Process for the preparation of partially hydrogenated nitrile rubbers | Johann Hohn, Franz-Josef Mersmann, Werner Obrecht | 1988-12-13 |
| 4774295 | Polymer mixtures and covulcanizates produced therefrom | Hartmuth Buding, Heinrich Konigshofen, Joachim Thormer | 1988-09-27 |
| 4754066 | Age protection agents, the production thereof and the polymers which contain them | Hans-Josef Buysch, Josef Witte | 1988-06-28 |
| 4720433 | Rubber articles consisting of different rubber layers, the production and use thereof | Heinrich Konigshofen | 1988-01-19 |
| 4675248 | Polymer mixtures and co-vulcanizates produced therefrom | Hartmuth Buding, Heinrich Konigshofen, Joachim Thormer | 1987-06-23 |
| 4654387 | Antiagers and polymers containing them | Hans-Josef Buysch, Josef Witte | 1987-03-31 |
| 4647627 | Low molecular weight copolymers and covulcanisates produced therefrom | Hartmuth Buding, Joachim Thormer | 1987-03-03 |
| 4633016 | Diphenylamine age resisters for rubber | Hans-Josef Buysch, Josef Witt | 1986-12-30 |
| 4631309 | Shaped articles for use in the exploration for and/or production of petroleum and natural gas | Joachim Thormer, Friedrich Leibbrandt, Hartmuth Buding | 1986-12-23 |
| 4581417 | Production of hydrogenated nitrile rubbers | Hartmuth Buding, Heinrich Konigshofen, Joachim Thormer | 1986-04-08 |
| 4576992 | Polymer mixtures | Hartmuth Buding, Heinrich Konigshofen, Joachim Thormer | 1986-03-18 |
| 4565614 | Polymer mixtures and co-vulcanizates produced therefrom | Hartmuth Buding, Joachim Thormer | 1986-01-21 |