Helmut Raaf
11Patents
9h-index
8Co-inventors
61Inventor score
Filing activity: Jan 14, 1975 → Nov 27, 1985
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4397837A | Process and composition for the remineralization and prevention of demineralization of animal teeth including humans | Human Necessities | 65 | Expired |
| US4332791A | Toothpaste active against plaque comprising a copper compound and a silica polishing agent | Human Necessities | 62 | Expired |
| US4743442A | Skin care composition | Human Necessities | 52 | Expired |
| US4339429A | Toothpaste active against plaque comprising a copper compound and a plastic polishing agent | Human Necessities | 42 | Expired |
| US4169885A | Dental and oral hygiene preparations | Human Necessities | 38 | Expired |
| US4181621A | Cleaning agents for dentures | Chemistry; Metallurgy | 22 | Expired |
| US4525343A | Tooth and mouth care agent | Human Necessities | 20 | Expired |
| US4196189A | Dental and oral hygiene preparations | Human Necessities | 17 | Expired |
| US4152806A | Toothbrush | Human Necessities | 9 | Expired |
| US4149293A | Adjustable bristle toothbrush | Human Necessities | 4 | Expired |
| US4559224A | Tooth and mouth care agent | Human Necessities | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.