Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10150853 | Diphenylguanidine-free rubber mixtures containing short-chain alkyl esters of glycerin | Ulrich Feldhues, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad | 2018-12-11 |
| 10005857 | Functionalized polymer composition | Heike Kloppenburg, Ulrich Feldhues, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad, Alicia Le-Sattler | 2018-06-26 |
| 9790352 | Rubber blends containing silicic acid and comprising additives containing sulphur | Ulrich Feldhues, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad | 2017-10-17 |
| 9637619 | Polysulfide mixtures, method for the production thereof, and use of the polysulfide mixtures in rubber mixtures | Ulrich Feldhues, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad | 2017-05-02 |
| 9493639 | Siliceous rubber mixtures containing omega-mercaptocarboxylic acid ester of polyvalent alcohols | Ulrich Feldhues, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad | 2016-11-15 |
| 9447263 | Rubber mixtures containing short-chain alkyl esters of glycerin | Ulrich Feldhues, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad, Joerg Hagemann | 2016-09-20 |
| 9249285 | Rubber blends containing silicic acid and comprising additives containing sulphur | Ulrich Feldhues, Hermann-Josef Weidenhaupt, Melanie Wiedemeier-Jarad | 2016-02-02 |
| 9023926 | Method for producing rubber mixtures | Melanie Wiedemeier, Hermann-Josef Weidenhaupt, Ulrich Feldhues | 2015-05-05 |
| 6215036 | Method for producing high purity isobutylene from a butane plus fraction containing isobutylene and butylene-1 | Michel Dorbon, Blaise Didillon, Jean-Charles Viltard, Jean Cosyns, Charles Cameron +2 more | 2001-04-10 |