Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878759 | Rubber pellets comprising silicatic and oxidic fillers | Reinhard Stober, Matthias Schmitt | 2005-04-12 |
| 6720369 | Modified rubber powders comprising silicatic fillers prepared from precipitation suspensions, process for their preparation and their use | Reinhard Stober, Matthias Schmitt, Andreas Gouw | 2004-04-13 |
| 6713534 | Rubber powders having pulverulent silicatic fillers and prepared from rubbers present in organic solvents, a process for their preparation, and their use | Matthias Schmitt, Reinhard Stober, Andreas Gouw | 2004-03-30 |
| 6562883 | Process for preparing carbon-black-filled rubber powders based on aqueous polymer-latex emulsions | Reinhard Stober, Matthias Schmitt | 2003-05-13 |
| 5859117 | Precipitated silicas, a process for their preparation and their use in vulcanizable rubber mixtures | Andrea Hunsche, Robert Kuhlmann, Mustafa Siray, Heinz Esch | 1999-01-12 |
| 5705137 | Precipitated silicas, a process for their preparation and their use in vulcanizable rubber mixtures | Andrea Hunsche, Robert Kuhlmann, Mustafa Siray, Heinz Esch | 1998-01-06 |
| 5470905 | Adhesion promoters for rubber and synthetic mixtures | Karl Meier, Siegfried Wolff | 1995-11-28 |
| 5401789 | Process for the production of plastic and rubber compositions filled with carbon black | Siegfried Wolff | 1995-03-28 |
| 5321070 | Adhesion promoters for rubber and synthetic mixtures | Karl Meier, Siegfried Wolff | 1994-06-14 |
| 5219963 | Peroxide vulcanizable moulding materials and a method of their manufacture | Siegfried Wolff | 1993-06-15 |
| 5216055 | Heat vulcanizable moulding materials | Siegfried Wolff | 1993-06-01 |
| 5025047 | Use of N,N'- and N,N',N'-substituted silyl ureas as antidegradation agents and polymer blends which contain them | Siegfried Wolff | 1991-06-18 |