Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397837 | Process and composition for the remineralization and prevention of demineralization of animal teeth including humans | Helmut Raaf, Helmar R. Wagner | 1983-08-09 |
| 4339429 | Toothpaste active against plaque comprising a copper compound and a plastic polishing agent | Helmut Raaf, Dieter Becker, Franz Frosch, Helmar R. Wagner | 1982-07-13 |
| 4332791 | Toothpaste active against plaque comprising a copper compound and a silica polishing agent | Helmut Raaf, Dieter Becker, Franz Frosch, Helmar R. Wagner | 1982-06-01 |
| 4209504 | Toothpaste with zeolite polishing agent | Dieter Becker | 1980-06-24 |
| 4193987 | Non-corrosive toothpaste | Dieter Becker | 1980-03-18 |
| 4181621 | Cleaning agents for dentures | Helmut Raaf, Raul L'Orange | 1980-01-01 |