Friedrich Schophoff
5Patents
2h-index
8Co-inventors
36Inventor score
Filing activity: Mar 31, 1986 → May 22, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4695656A | Process for the preparation of 2,4-dinitrophenyl ethers | Chemistry; Metallurgy | 11 | Expired |
| US4795807A | Preparation of azo dyestuffs by diazotization and coupling in the presence of an ester | Chemistry; Metallurgy | 8 | Expired |
| US4686301A | Process for the preparation of 2,4-dinitrophenol alkoxyalkyl ethers | Chemistry; Metallurgy | 2 | Expired |
| US5069682A | Color-stable beta-modification of a monoazo dye, a process for its preparation, and its use | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5288680A | Process for the preparation of finished dyeings which are fast to thermomigration: orange-dyed polyester fabrics | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.