Choua Cohen
14Patents
7h-index
22Co-inventors
66Inventor score
Filing activity: Mar 18, 1974 → Dec 26, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4652273A | Hydrocarbon middle distillates composition containing nitrogen-containing additives for decreasing its cloud point | Chemistry; Metallurgy | 35 | Expired |
| US4736015A | Aromatic polyimide compositions of high solubility and their uses | Chemistry; Metallurgy | 16 | Expired |
| US4375974A | Detergent compositions, their manufacture and their use as additives for fuels | Chemistry; Metallurgy | 14 | Expired |
| US5578216A | Chromatographic simulated mobile bed separation process with dead volume correction using length reduction | Performing Operations; Transporting | 11 | Expired |
| US4422856A | N-Substituted succinimides, their preparation and use as motor fuel additives | Chemistry; Metallurgy | 10 | Expired |
| US5582736A | Chromatographic simulated mobile bed separation process with dead volume correction using an increase in flow rate | Performing Operations; Transporting | 9 | Expired |
| US4071459A | Alkyl-guanidino-heterocyclic compounds, their manufacture and use as additives for fuels and lubricants | Chemistry; Metallurgy | 8 | Expired |
| US4159898A | Alkyl-guanidino-heterocyclic compounds, their manufacture and use as additives for fuels and lubricants | Chemistry; Metallurgy | 7 | Expired |
| US5685992A | Process for regulating at least one fluid flow circulating in a simulated moving bed chromatographic separation loop | Performing Operations; Transporting | 6 | Expired |
| US4812250A | Working fluid mixtures for use in thermodynamic compression cycles comprising trifluoromethane and chlorodifluoroethane | Chemistry; Metallurgy | 4 | Expired |
| US3985711A | Dicarboxylic compounds having 2,4-quinazolinedione rings and polyester resins derived therefrom | Human Necessities | 2 | Expired |
| US5522274A | Device and process for studying the behavior in circulation of multiphase effluents, application to effluents forming hydrates | Physics | 2 | Expired |
| US4113637A | Alkyl-guanidino-heterocyclic compounds, their manufacture and use as additives for fuels and lubricants | Chemistry; Metallurgy | 1 | Expired |
| US3970630A | 2,4-Quinazoline dione-polyamide-ester resins | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.