Douglas E. Betts
7Patents
6h-index
8Co-inventors
48Inventor score
Filing activity: Nov 3, 1995 → Dec 18, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5866005A | Cleaning process using carbon dioxide as a solvent and employing molecularly engineered surfactants | Chemistry; Metallurgy | 142 | Expired |
| US5944996A | Cleaning process using carbon dioxide as a solvent and employing molecularly engineered surfactants | Chemistry; Metallurgy | 110 | Expired |
| US5783082A | Cleaning process using carbon dioxide as a solvent and employing molecularly engineered surfactants | Chemistry; Metallurgy | 83 | Expired |
| US6696067B2 | Cosmetic compositions containing dispersion polymers | Human Necessities | 44 | Expired |
| US6224774A | Method of entraining solid particulates in carbon dioxide fluids | Chemistry; Metallurgy | 39 | Expired |
| US7455848B2 | Skin care composition containing an anionic polymer | Human Necessities | 8 | Expired |
| US6569413B1 | Hair fixative composition containing an anionic polymer | Human Necessities | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.