Claudia Mann
15Patents
8h-index
2Co-inventors
54Inventor score
Filing activity: May 21, 1999 → Mar 17, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6146554A | Photochromic naphtopyrane colorants, method for the production and use thereof, photochromic object | Physics | 55 | Expired |
| US6683709B2 | Photochromic pyran compounds | Chemistry; Metallurgy | 29 | Expired |
| US6373615B1 | Neutral-colored gray photochromic plastic object | Physics | 28 | Expired |
| US6315928A | Spirofluorenopyrans | Physics | 21 | Expired |
| US6225466A | Photochromic spirofluorenopyran compounds | Physics | 21 | Expired |
| US6306316A | Photochromic plastic object | Physics | 18 | Expired |
| US6660727B1 | Photochromic heterocyclically anellated indenochromene compounds | Physics | 15 | Expired |
| US6342459B1 | Photochromic naphthopyrans | Physics | 9 | Expired |
| US7459555B2 | Photochromic naphthopyrans | Physics | 8 | Expired |
| US6331625A | Photochromic spirofluorenopyran compounds | Physics | 4 | Expired |
| US6881850B2 | Heterocyclically annellated indenochromene derivatives | Physics | 3 | Expired |
| US6686468B2 | H-annellated benzo[f]chromenes | Chemistry; Metallurgy | 3 | Expired |
| US7229989B2 | Blue 3H-naphtho[2,1-b]pyran compounds and use thereof in photochromic articles | Chemistry; Metallurgy | 2 | Expired |
| US6967249B2 | Photochromic 3H-naphtho[2,1-b]-pyran compounds and photochromic articles produced therewith | Physics | 1 | Expired |
| US7229576B2 | Substituted phenanthropyrans | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.