Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6828391 | Plastified novolaks as additive to rubber mixtures | Thomas Burkhart | 2004-12-07 |
| 6686418 | Rubber products with low heat build up on mechanical stressing | Frank Scholl, Helmut Eckes | 2004-02-03 |
| 5859169 | Urethane-modified novolaks for increasing the steel cord adhesion and rigidity of vulcanized rubber blends | Thomas Burkhart, Gerhard Brindoepke, Gerd Walz | 1999-01-12 |
| 5502109 | Process for the production of heat-stable moldings useful as a friction lining for grinding tools | Richard Sattelmeyer | 1996-03-26 |