Fritz Erdmann
9Patents
4h-index
13Co-inventors
50Inventor score
Filing activity: Sep 18, 1978 → Mar 17, 1993
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4555469A | Process of preparing light-sensitive naphthoquinonediazidesulfonic acid ester | Physics | 55 | Expired |
| US4424270A | Light-sensitive mixture comprising a naphthoquinonediazidesulfonic acid ester and process for preparing said ester | Physics | 36 | Expired |
| US4266000A | Photosensitive copying composition | Physics | 10 | Expired |
| US5216158A | Oxadiazole compounds containing 4,6-bis-trichloromethyl-S-triazin-2-yl groups, process for their preparation | Physics | 6 | Expired |
| US4873169A | Process for the preparation of an o-naphthoquinonediazide sulfonic acid ester and photosensitive mixture containing same | Physics | 4 | Expired |
| US4492748A | Light-sensitive polycondensation product containing diazonium and dialdehyde groups, and light-sensitive recording material prepared therewith | Physics | 4 | Expired |
| US5064959A | Aromatic compounds substituted by 4,6-bis(trichloromethyl)-s-triazin-2-yl groups | Chemistry; Metallurgy | 3 | Expired |
| US5563018A | (1,2-naphthoquinone 2-diazide) sulfonic acid esters, radiation-sensitive mixture prepared therewith and radiation-sensitive recording material | Physics | 1 | Expired |
| US5358823A | Radiation-sensitive composition containing esterification product of (1,2-naphthoquinone-2-diazide)-sulfonic acid with 2,3,4,4'-tetrahydroxybenzophenone and a di- or tri-hydroxybenzophenone | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.