Barbara Campbell
4Patents
4h-index
5Co-inventors
36Inventor score
Filing activity: Nov 3, 1995 → Apr 23, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5634969A | Organoclay compositions | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6103687A | Non-volatile quaternary ammonium compositions and their uses | Human Necessities | 17 | Expired |
| US6020407A | Super dispersable thickening composition for aqueous systems and a method of thickening said aqueous systems | Chemistry; Metallurgy | 14 | Expired |
| US5759938A | Process for producing organoclays with quaternary ammonium compositions made using non volatile diluents | Emerging Cross-Sectional Technologies | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.