Rolf Streicher
13Patents
4h-index
22Co-inventors
60Inventor score
Filing activity: Dec 12, 1979 → Oct 28, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5972050A | Dye mixtures containing polyazo dyes and CI Sulphur Black 1 dye | Chemistry; Metallurgy | 22 | Expired |
| US4596581A | Carboxyl- and amino-containing copolymer for after-tanning mineral tanned leather | Chemistry; Metallurgy | 9 | Expired |
| US4983185A | Dyeing of leather with pigments | Textiles; Paper | 5 | Expired |
| US4888412A | Tanning assistant | Chemistry; Metallurgy | 5 | Expired |
| US4403993A | Preparation of water-soluble or self-dispersing resin tanning agents | Chemistry; Metallurgy | 4 | Expired |
| US4936864A | Condensates of bis-(4-hydroxyphenyl) sulfone as tanning assistants, their preparation and use in the tanning of leather | Chemistry; Metallurgy | 3 | Expired |
| US4272243A | Dyeing of grain leather | Textiles; Paper | 3 | Expired |
| US5224963A | Quaternized condensation products for aftertreating dyed leather | Textiles; Paper | 2 | Expired |
| US4675021A | Amphoteric condensates and their use in retanning | Chemistry; Metallurgy | 1 | Expired |
| US8372161B2 | Method for the reactive coloring of leather | Textiles; Paper | 1 | Active |
| US4729768A | Deliming of hides and use of cyclic esters of sulfurous acid as deliming agents | Chemistry; Metallurgy | 0 | Expired |
| US4322210A | Auxiliary, and process, for the soaking of hides | Chemistry; Metallurgy | 0 | Expired |
| US4377387A | Deliming hides | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.