Derek Thorp
10Patents
3h-index
9Co-inventors
49Inventor score
Filing activity: Nov 23, 1984 → Apr 17, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4650882A | Dyes having two 5-membered lactone rings fused to a central cyclohexa-1.4-diene nucleus | Chemistry; Metallurgy | 12 | Expired |
| US4680417A | 2.6-dioxo-2.6-dehydrobenzo[1:2-b,4:5-b]difurans | Chemistry; Metallurgy | 9 | Expired |
| US5084580A | Polycylic dyes | Chemistry; Metallurgy | 4 | Expired |
| US6139752A | Composition and method for selectively removing metal ions from an aqueous solution | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5196392A | Thermal transfer printing | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5183888A | Polycyclic dyes | Chemistry; Metallurgy | 1 | Expired |
| US5212313A | Polycyclic dyes | Chemistry; Metallurgy | 1 | Expired |
| US5258524A | Bis-bibenzimidazole composition | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5074911A | Heterocyclic thione | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5342937A | Heterocyclic thione | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.