Gerhard Epple
11Patents
3h-index
13Co-inventors
53Inventor score
Filing activity: Aug 30, 1976 → Jan 22, 1992
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4136100A | Anthraquinoid dyes | Chemistry; Metallurgy | 6 | Expired |
| US4154747A | Production of virtually pure 1-amino-8-nitro-4,5-dihydroxyanthraquinone | Chemistry; Metallurgy | 5 | Expired |
| US4294581A | Uniformly dyed water-swellable cellulosic fibers | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4048199A | Production of aminonitrodihydroxyanthraquinones by partial reduction dinitrodihydroxyanthraquinones | Chemistry; Metallurgy | 2 | Expired |
| US4997960A | Preparation of 1-amino-2-chloro-4-hydroxyanthraquinone | Chemistry; Metallurgy | 1 | Expired |
| US5210190A | Preparation of triazinyl-bis-anthraquinone dyes by reacting aryldihalotriazine with amino anthraquinone | Chemistry; Metallurgy | 1 | Expired |
| US5180841A | Preparation of 1-amino-2-chloro-4-hydroxyanthraquinone | Chemistry; Metallurgy | 0 | Expired |
| US4119644A | Anthraquinonoid disperse dyes | Chemistry; Metallurgy | 0 | Expired |
| US4925954A | Vat dye based on flouranthene | Chemistry; Metallurgy | 0 | Expired |
| US4614804A | Anthraquinoid dyes | Textiles; Paper | 0 | Expired |
| US5082957A | Preparation of 1-amino-2-bromo-4-hydroxyanthraquinone | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.