Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652047 | Binder resins for the preparation of fiber composites | Wolfgang Hesse, Erhard Leicht, Ralph Schaefer | 1997-07-29 |
| 5502109 | Process for the production of heat-stable moldings useful as a friction lining for grinding tools | Siegfried Wallenwein | 1996-03-26 |
| 5426152 | Rubber mixtures and vulcanized compounds prepared therefrom having improved adhesion to reinforcing supports | Wolfgang Hesse, Erhard Leicht | 1995-06-20 |
| 5288741 | Use of polymers which contain units derived from 4-hydroxystyrene or 4-acetoxystyrene as reinforcing resins and adhesion promoters in rubber mixtures | Albert Bender, Erhard Leicht | 1994-02-22 |
| 5145905 | Vulcanizates comprised of different diene rubber components, and novolak | — | 1992-09-08 |
| 5096996 | Modified novolak terpene products | Wolfgang Hesse, Erhard Leicht | 1992-03-17 |
| 4837266 | Rubber vulcanizates having reduced heat evolution when subjected to dynamic deformation, a process for their preparation and their use | — | 1989-06-06 |
| 4699832 | Reinforced rubber mixtures, a process for their preparation and their use | — | 1987-10-13 |
| 4652612 | Rubber mixtures, and rubber articles and motor vehicle tires produced therefrom | Joachim Weil | 1987-03-24 |
| 4546143 | Rubber vulcanisates, having a Shore A hardness of below 65.degree. | Joachim Weil | 1985-10-08 |
| 4507419 | Contact adhesives | Wolfgang Hesse, Erich Schunck | 1985-03-26 |
| 4465813 | Thermoplastic composition of acrylic copolymers and crosslinking agents and process for its preparation | Heinz Schmelzer, Richard Gutte | 1984-08-14 |
| 4383005 | Rubber mixtures and vulcanizates produced therefrom | Joachim Weil | 1983-05-10 |
| 4298356 | Process for the manufacture of abrasives | Eckart Teschner, Wolfgang Hesse | 1981-11-03 |
| 4255297 | Adhesive binding agents and adhesives containing them | Gerhard Werner, Heinz Schmelzer | 1981-03-10 |
| 4251408 | Synthetic resin binders and their use for the manufacture of abrasives | Wolfgang Hesse, Eckart Teschner | 1981-02-17 |