Matthias Schellenberg
9Patents
3h-index
11Co-inventors
50Inventor score
Filing activity: May 10, 1974 → Feb 11, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3963492A | Method for processing silver dye bleach materials | Physics | 7 | Expired |
| US4186008A | Method for processing silver dye-bleach materials | Physics | 5 | Expired |
| US4138256A | Method of processing photographic silver dye bleach materials | Chemistry; Metallurgy | 5 | Expired |
| US4271254A | Process for producing photographic images | Physics | 3 | Expired |
| US3957516A | Preparation for the processing of photographic materials | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4357280A | Use of tertiary phosphines in photographic silver dye bleach materials | Chemistry; Metallurgy | 2 | Expired |
| US4014699A | Preparation for the processing of photographic materials | Physics | 1 | Expired |
| US4803151A | Photographic material for the silver dye bleach process comprising an AZO dye, capable of laking, in gelatine | Physics | 1 | Expired |
| US3961958A | Process for fixing photographic material | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.