Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5717038 | Tire treads with increased tread life, and method of manufacturing same | Gerhard Horpel, Dieter Zerpner | 1998-02-10 |
| 5442099 | Bis-(thiobenzoyldisulfido)-alkanes | Juergen Wolpers, Jaroslaw Monkiewicz, Dieter Zerpner | 1995-08-15 |
| 5359003 | Polysulfide derivatives | Gerhard Horpel | 1994-10-25 |
| 5342900 | Process for the preparation of diene rubber vulcanizates | Jurgen Wolpers, Dieter Zerpner | 1994-08-30 |
| 5241108 | Polysulfide derivatives | Gerhard Horpel | 1993-08-31 |
| 5147939 | Unsaturated, elastomeric, asymmetrically coupled block copolymer, a single batch process for its manufacture and its use for the production of tire components | Walter Hellermann, Christoph Herrmann, Jurgen Wolpers, Hans-Bernd Fuchs | 1992-09-15 |
| 5104941 | 3,4-polyisoprene-containing rubber blend mixtures for tire treads | Jurgen Wolpers, Hans-Bernd Fuchs, Christoph Herrmann, Walter Hellermann | 1992-04-14 |
| 5096973 | ABC block copolymers based on butadiene, isoprene and styrene, process for their production and their use | Christoph Herrmann, Walter Hellermann, Hans-Bernd Fuchs, Juergen Wolpers | 1992-03-17 |
| 5061758 | Unsaturated, elastomeric, asymmetrically, coupled block copolymers, a dual batch process for its manufacture and their use for the production of type components | Walter Hellermann, Christoph Herrmann, Jurgen Wolpers, Hans-Bernd Fuchs | 1991-10-29 |
| 5053459 | AB block copolymers based on butadiene, isoprene and styrene | Christoph Herrmann, Walter Hellermann, Hans-Bernd Fuchs, Juergen Wolpers | 1991-10-01 |
| 5008343 | Process for the preparation of polymers based on conjugated dienes and optionally monovinylaromatic compounds | Walter Hellermann, Christoph Herrmann, Hans-Bernd Fuchs, Jurgen Wolpers | 1991-04-16 |
| 4981911 | AB block copolymers based on butadiene, isoprene and styrene, process for their preparation and their use | Christoph Herrmann, Walter Hellermann, Hans-Bernd Fuchs, Juergen Wolpers | 1991-01-01 |
| 4894425 | Preparation of polyisoprene having high content of 1,2- and 3,4-structural units by anionic polymerization | Walter Hellermann, Jurgen Wolpers | 1990-01-16 |
| 4814386 | ABC block copolymers based on butadiene and isoprene, process for their preparation and use | Walter Hellermann, Christoph Herrmann, Hans-Bernd Fuchs, Jurgen Wolpers, Hans-Eberhard von Portatius | 1989-03-21 |
| 4756353 | Low rolling resistance tire tread | Helmut Schwesig | 1988-07-12 |
| 4673709 | Hot-vulcanizable tread strips for the manufacture of motor vehicle pneumatic tire treads; and block copolymers which can be used as the sole constituent of the rubber component which is the basic formulation component of said tread strips | Jurgen Wolpers, Johannes Tornau | 1987-06-16 |
| 4250082 | Process for the preparation of a pulverulent filled rubber | Neithart Sommer, Jurgen Ehrlich | 1981-02-10 |
| 4183844 | Polymeric adhesion promoters for vulcanizable mixtures of elastomers and mineral fillers | Roland Streck, Dieter Zerpner, Horst G. Haag | 1980-01-15 |