Francine Janssens
34Patents
8h-index
31Co-inventors
75Inventor score
Filing activity: Sep 8, 1989 → Oct 2, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5821394A | Process for converting a chlorinated alkane into a less chlorinated alkene | Chemistry; Metallurgy | 32 | Expired |
| US7253327B2 | Method of manufacture of a hydrofluoroalkane | Chemistry; Metallurgy | 28 | Expired |
| US6809226B1 | Process for the preparation of 1-chloro-1-fluoroethane and/or 1,1-difluoroethane | Chemistry; Metallurgy | 27 | Expired |
| US6362383B1 | Hydro-fluorination of chlorinated hydrocarbons | Chemistry; Metallurgy | 26 | Expired |
| US5146013A | Process for the production of chloroform from carbon tetrachloride, catalytic compositions and process for obtaining them | Chemistry; Metallurgy | 14 | Expired |
| US5739406A | Process for the hydrofluorination of chloro (fluoro) butane | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4968850A | Process for the manufacture of a fluorinated hydrocarbon | Chemistry; Metallurgy | 9 | Expired |
| US5955638A | Process for preparation of 2-chloro-1-propene | Chemistry; Metallurgy | 8 | Expired |
| US5347059A | Process for preparing 1,1-dichloro-1,3,3,3-tetra-fluoropropane | Chemistry; Metallurgy | 7 | Expired |
| US6730817B1 | Method for preparing 1,1,1,3,3-pentafluoropropane | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6399839B1 | Method for preparing halogenated hydrocarbons | Chemistry; Metallurgy | 6 | Expired |
| US7304191B2 | Process for the synthesis of fluoroorganic compounds | Chemistry; Metallurgy | 6 | Expired |
| US7179949B2 | Process for obtaining a purified hydrofluoroalkane | Chemistry; Metallurgy | 6 | Expired |
| US6399840B1 | Method for the preparation of 1,1,1,3,3-pentachlorobutane | Chemistry; Metallurgy | 5 | Expired |
| US6723874B1 | Method of producing acid fluorides from acid chlorides | Chemistry; Metallurgy | 5 | Expired |
| US6441256B1 | Method for preparing of halogenated hydrocarbons | Chemistry; Metallurgy | 5 | Expired |
| US7067706B2 | Method for preparing a hydro(chloro)fluoroalkane and catalyst | Chemistry; Metallurgy | 4 | Expired |
| US5367102A | Process for the preparation of 1,1-dichloro-1-fluoroethane | Chemistry; Metallurgy | 4 | Expired |
| US6252105A | Synthesis of low-fluoride organic compounds | Chemistry; Metallurgy | 3 | Expired |
| US7009083B2 | Process for the preparation of 1-chloro-1-fluoroethane and/or 1,1-difluoroethane | Chemistry; Metallurgy | 3 | Expired |
| US5382721A | Process for the preparation of 1,1,1,2-tetrafluoroethane | Chemistry; Metallurgy | 3 | Expired |
| US7750195B2 | Process for obtaining a purified hydrofluoroalkane | Chemistry; Metallurgy | 2 | Active |
| US5714652A | Process for the preparation of 1,1-difluoroethane | Chemistry; Metallurgy | 2 | Expired |
| US6930215B2 | Process for the preparation of 1.1.1.3.3-pentafluoropropane | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9617153B2 | Process for producing hydrogen peroxide | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.