Peter Kempter
9Patents
4h-index
10Co-inventors
50Inventor score
Filing activity: Dec 2, 1994 → Apr 29, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6162261A | Triphendioxazine | Chemistry; Metallurgy | 16 | Expired |
| US5565563A | Triphendioxazine compounds | Chemistry; Metallurgy | 11 | Expired |
| US6355795B1 | Triphendioxazine compounds | Chemistry; Metallurgy | 4 | Expired |
| US7686883B2 | C.I. pigment blue 80-based blue dye | Chemistry; Metallurgy | 4 | Active |
| US6255482A | Triphendioxazine compounds | Chemistry; Metallurgy | 3 | Expired |
| US6359131B1 | Process for preparing dioxazine compounds | Chemistry; Metallurgy | 2 | Expired |
| US6620931B2 | Process for preparing new crystal polymorphs of a methyl-substituted benzimidazolone-dioxazine pigment | Chemistry; Metallurgy | 1 | Expired |
| US6762299B2 | Mixed crystals of benzimidazolonedioxazine compounds | Chemistry; Metallurgy | 1 | Expired |
| US6617453B1 | Triphendioxazine compounds | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.