Ernst Tempel
5Patents
3h-index
7Co-inventors
42Inventor score
Filing activity: Jul 20, 1983 → Dec 5, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5152801A | Process for dyeing leather with an aqueous bath containing sulfonated carbon black and black anionic dye | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4465491A | Solid dye preparation of water soluble dyes with aliphatic aminocarboxylic acid | Chemistry; Metallurgy | 9 | Expired |
| US4923481A | Aqueous dispersion of a metallizable dye and sulfonated aromatic condensate | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4820311A | Solid formulation of anionic dyes containing an ethoxylated stearyl diphenyloxyethyl diethylene-triamine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5066309A | Liquid metal complex dye preparations, process for their preparation and their use | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.