Henri Mathais
21Patents
6h-index
19Co-inventors
62Inventor score
Filing activity: Sep 20, 1972 → Mar 14, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4981932A | Fluorated ionic polymer, method for its preparation and membranes | Chemistry; Metallurgy | 15 | Expired |
| US4594177A | Surface demoisturizing composition and use thereof | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4579976A | Catalytic process for the preparation of trifluoroacetaldehyde | Chemistry; Metallurgy | 9 | Expired |
| US4579974A | Catalytic process for the preparation of hexafluoroacetone | Chemistry; Metallurgy | 7 | Expired |
| US3943132A | Process for the preparation of hydrazones | Chemistry; Metallurgy | 7 | Expired |
| US4643851A | Process for preparing trifluoroacetyl chloride | Chemistry; Metallurgy | 6 | Expired |
| US4612133A | Stable mixtures of chlorofluorocarbons and solvents and their use as heat transfer fluids | Chemistry; Metallurgy | 4 | Expired |
| US4650899A | Liquid composition containing diisocyanate of diphenylurethane | Chemistry; Metallurgy | 4 | Expired |
| US3959262A | Method for preparing azines | Chemistry; Metallurgy | 3 | Expired |
| US3943152A | Method for preparing azines | Chemistry; Metallurgy | 3 | Expired |
| US3978049A | Process for the preparation of hydrazine compounds | Chemistry; Metallurgy | 3 | Expired |
| US4438027A | Chlorinated alkylaromatic based compounds and new liquid dielectrics | Electricity | 3 | Expired |
| US3956282A | Method for preparing azines | Chemistry; Metallurgy | 2 | Expired |
| US4647706A | Process for the synthesis of 2,2,2-trifluoroethanol and 1,1,1,3,3,3-hexafluoroisopropanol | Chemistry; Metallurgy | 2 | Expired |
| US4745236A | Synthesis of chloropentafluoroethane | Chemistry; Metallurgy | 2 | Expired |
| US4081459A | Trioxa-1, 5, 7 spiro [2,5] octanes and their method of preparation | Chemistry; Metallurgy | 2 | Expired |
| US3972874A | Method for preparing symmetrical and unsymmetrical ketazines and mixtures thereof | Chemistry; Metallurgy | 1 | Expired |
| US3951964A | Method for preparing azines | Chemistry; Metallurgy | 1 | Expired |
| US4595744A | Low melting point diphenylethane diisocyanate mixtures, method of making the same, and polyurethanes made therefrom | Chemistry; Metallurgy | 0 | Expired |
| US4658070A | Process for the synthesis of 2,2,2-trifluoroethanol | Chemistry; Metallurgy | 0 | Expired |
| US4642386A | Process for the preparation of pure hydrates of fluoral and of hexafluoroacetone from hemiacetals | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.