Marcel Armand
9Patents
4h-index
3Co-inventors
46Inventor score
Filing activity: Dec 2, 1976 → Aug 20, 1987
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4381976A | Process for the preparation of titanium by electrolysis | Chemistry; Metallurgy | 12 | Expired |
| US4108687A | Process for improving the heat resistance of zirconium and its alloys | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4396472A | Novel apparatus and process for the TiCl.sub.4 feed to electrolysis cells for the preparation of titanium | Chemistry; Metallurgy | 7 | Expired |
| US4770750A | Process for producing transition metal powders by electrolysis in melted salt baths | Chemistry; Metallurgy | 5 | Expired |
| US4443306A | Process and cell for the preparation of polyvalent metals such as Zr or Hf by electrolysis of molten halides | Chemistry; Metallurgy | 4 | Expired |
| US4392924A | Process for controlling the permeability of diaphragms in the preparation of polyvalent metals by electrolysis and an electrolysis cell for carrying out the process | Chemistry; Metallurgy | 3 | Expired |
| US4164420A | Master alloy for the preparation of zirconium alloys | Chemistry; Metallurgy | 2 | Expired |
| US4675084A | Process for improving the purity of transition metals produced by electrolysis of halides thereof in a bath of molten salts | Chemistry; Metallurgy | 0 | Expired |
| US4657643A | Process for continuously controlling the proportion of metal dissolved in a bath of molten salts and the application thereof to the continuous feed of an electrolysis cell with salts of said metal | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.