Francois L'Eplattenier
19Patents
7h-index
10Co-inventors
55Inventor score
Filing activity: Aug 30, 1974 → May 19, 1980
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4044036A | Metal complexes of bis-azomethines from hydroxy-aldehydes and alkylene diamines | Chemistry; Metallurgy | 19 | Expired |
| US4022770A | Metal complexes of azomethines and process for their manufacture | Chemistry; Metallurgy | 15 | Expired |
| US4111947A | Novel metal complexes of azomethines and process for their manufacture | Chemistry; Metallurgy | 11 | Expired |
| US3988323A | Metal complexes of bishydrazides | Chemistry; Metallurgy | 11 | Expired |
| US4008225A | Process for the manufacture of bis-azomethine metal complex colorants | Chemistry; Metallurgy | 10 | Expired |
| US4024132A | Azomethine pigments | Chemistry; Metallurgy | 8 | Expired |
| US3974149A | Azomethine pigments | Chemistry; Metallurgy | 8 | Expired |
| US4016157A | Metal complexes of bis-hydrazones | Chemistry; Metallurgy | 7 | Expired |
| US4012371A | Benzinaldazolyl-, quinolonyl-, or phenmorpholonylazo-3-cyano-4-methyl-1,2-[1',2']-benz-[4',5']-imidazolo-6 -hydroxypyridine colorants | Chemistry; Metallurgy | 7 | Expired |
| US4132708A | Metal complexes of azomethines and process for their manufacture | Chemistry; Metallurgy | 6 | Expired |
| US3939194A | Bis-2-azomethine pigments, process for their manufacture and their use | Chemistry; Metallurgy | 6 | Expired |
| US4065481A | 1:1-Azomethine-metal-complex dyestuffs | Chemistry; Metallurgy | 5 | Expired |
| US4237293A | Metal complexes of azomethines | Chemistry; Metallurgy | 5 | Expired |
| US4237292A | Metal complexes of azomethines | Chemistry; Metallurgy | 4 | Expired |
| US3963708A | Bis-azomethine metal complex colorants from hydroxycoumarin derivatives or hydroxychromone derivatives | Chemistry; Metallurgy | 4 | Expired |
| US4097484A | Mixed complexes of methine dyes | Chemistry; Metallurgy | 3 | Expired |
| US4237286A | Metal complexes of azomethines | Chemistry; Metallurgy | 3 | Expired |
| US4144258A | 1:1-Heterocyclic azo methine-metal complex dyestuffs | Chemistry; Metallurgy | 2 | Expired |
| US4327212A | Isoindoline-azine nickel complex with piperazine | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.