Andreas Oberlinner
19Patents
6h-index
6Co-inventors
55Inventor score
Filing activity: May 7, 1974 → Apr 27, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4647675A | Rhodamine dyes | Textiles; Paper | 40 | Expired |
| US3971808A | Spirodipyrans and chromogenic materials for copying processes | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4935059A | Basic rhodamine dyes | Chemistry; Metallurgy | 23 | Expired |
| US3985376A | Dye precursors for pressure-sensitive recording material | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4603202A | Fluoran colorants for recording systems | Chemistry; Metallurgy | 8 | Expired |
| US3971821A | Production of aminobenzaldehydes | Chemistry; Metallurgy | 7 | Expired |
| US4110348A | 7,7'-Diamino derivatives of 2,2'-spirodibenzopyranes | Performing Operations; Transporting | 6 | Expired |
| US4029677A | Spirodipyrans useful as dye precursors for copying processes | Chemistry; Metallurgy | 6 | Expired |
| US4161589A | Spirodipyrans | Performing Operations; Transporting | 4 | Expired |
| US4717423A | Mixtures of dye precursors, and pressure-sensitive recording material containing these mixtures | Performing Operations; Transporting | 3 | Expired |
| US4119622A | Pyrazolonylazoaniline or aminonaphtyl compounds for copying processes | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4966983A | Benzopyrans for use in recording systems | Chemistry; Metallurgy | 2 | Expired |
| US4147509A | Pressure-sensitive recording material | Performing Operations; Transporting | 2 | Expired |
| US4958021A | Benzopyran derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4611070A | Spirodibenzopyrans | Performing Operations; Transporting | 1 | Expired |
| US4316027A | 7,7'-Diamino derivatives of 2,2'-spirodibenzopyranes | Performing Operations; Transporting | 0 | Expired |
| US4841050A | Carbazole containing benzopyrans | Chemistry; Metallurgy | 0 | Expired |
| US4345073A | 7,7'-Diamino derivatives of 2,2'-spirodibenzopyranes | Performing Operations; Transporting | 0 | Expired |
| US5053524A | 3-aminophenylpentane-1,5-diones | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.