Clara E. Nelson
5Patents
4h-index
7Co-inventors
42Inventor score
Filing activity: Mar 20, 2003 → Nov 11, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7320826B2 | Photochromic articles with reduced temperature dependency and methods for preparation | Emerging Cross-Sectional Technologies | 37 | Expired |
| US7166357B2 | Photochromic articles that activate behind ultraviolet radiation blocking transparencies and methods for preparation | Emerging Cross-Sectional Technologies | 37 | Expired |
| US7262295B2 | Indeno-fused photochromic naphthopyrans, naphthols and photochromic articles | Emerging Cross-Sectional Technologies | 32 | Expired |
| US7557208B2 | Naphthols useful for preparing indeno-fused photochromic naphthopyrans | Emerging Cross-Sectional Technologies | 12 | Active |
| US7517982B2 | Naphthols useful for preparing indeno-fused photochromic naphthopyrans | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.