Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5382348 | Granular bitumen coated with precipitated silica | Walter Barthel | 1995-01-17 |
| 5124143 | Dentrifice | Hans R. Muhlemann, Matthias Neumuller | 1992-06-23 |
| 4753791 | Dental-care composition using precipitated silica | Matthias Neumuller, Gunther Turk | 1988-06-28 |
| 4710229 | Powdered bitumen concentrate and its use | Walter Barthel | 1987-12-01 |
| 4705679 | Transparent dental care composition | Matthias Neumuller, Gunther Turk | 1987-11-10 |
| 4704270 | Opaque dental-care composition | Matthias Neumuller, Gunther Turk | 1987-11-03 |
| 4664907 | Dental-care composition | Matthias Neumuller, Gunther Turk | 1987-05-12 |
| 4589989 | Laundry softener concentrate | Manfred Diehl | 1986-05-20 |
| 4410589 | Process for improving the mineral asphalt coatings for streets and paths and products | Walter Barthel, Rolf Oelmuller | 1983-10-18 |
| 4406817 | Process for the production of sedimentation stable anti-foam agents | Roland Tailfer, Gunter Turk | 1983-09-27 |
| 4378999 | Pulverulent bitumen concentrate and its use | Walter Barthel | 1983-04-05 |
| 4371400 | Mastic asphalt composition | Walter Barthel | 1983-02-01 |
| 4322250 | Mastic asphalt mixture | Walter Barthel | 1982-03-30 |
| 4307023 | Hydrophobic filler mixtures, process for its production and use | Manfred Ettlinger, Edgar Simon | 1981-12-22 |
| 4208213 | Shoe cream polish composition | Roland Tailfer | 1980-06-17 |