Jean-Pierre Schirmann
51Patents
9h-index
40Co-inventors
78Inventor score
Filing activity: Jun 23, 1972 → May 22, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3972878A | Method for preparing azines and hydrazones | Chemistry; Metallurgy | 39 | Expired |
| US4128494A | Activators for percompounds | Chemistry; Metallurgy | 28 | Expired |
| US4996039A | Production of hydrogen peroxide | Chemistry; Metallurgy | 14 | Expired |
| US4221675A | Percompound activators | Chemistry; Metallurgy | 14 | Expired |
| US6881698B2 | Ion liquids derived from Lewis acid based on titanium, niobium, tantalum, tin or antimony, and uses thereof | Chemistry; Metallurgy | 13 | Expired |
| US6310240A | Vapor phase oxidation of acrolein to acrylic acid | Chemistry; Metallurgy | 10 | Expired |
| US6649560B2 | Bulk catalysts based on chromium and on nickel for the gas-phase fluorination of halogenated hydrocarbons | Chemistry; Metallurgy | 10 | Expired |
| US4026908A | Catalytic epoxidation process | Chemistry; Metallurgy | 10 | Expired |
| US6080893A | Process for the manufacture of acrolein from propylene by a redox reaction and use of a solid mixed oxide composition as redox system in the said reaction | Chemistry; Metallurgy | 9 | Expired |
| US3953480A | Epoxidation of olefins by hydrogen peroxide | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6019870A | Process for the preparation of delignified and bleached chemical paper pulps | Textiles; Paper | 9 | Expired |
| US4725421A | Process for the preparation of concentrated solutions of hydrazine hydrate | Chemistry; Metallurgy | 8 | Expired |
| US5252309A | Azine synthesis in the absence of CO.sub.2 | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4093656A | Process for making azines | Chemistry; Metallurgy | 7 | Expired |
| US3943132A | Process for the preparation of hydrazones | Chemistry; Metallurgy | 7 | Expired |
| US4338260A | Preparation of percarboxylic acids | Chemistry; Metallurgy | 6 | Expired |
| US4724133A | Preparation of concentrated aqueous solution of hydrazine hydrate | Chemistry; Metallurgy | 5 | Expired |
| US5239119A | Catalytic synthesis of azines from H.sub.2 O.sub.2 /NH.sub.3 /carbonyl compounds | Chemistry; Metallurgy | 5 | Expired |
| US4303586A | Catalytic epoxidation of olefins | Chemistry; Metallurgy | 5 | Expired |
| US6025523A | Process for the manufacture of acrylic acid from acrolein by a redox reaction and use of a solid mixed oxide composition as redox system in the said reaction | Performing Operations; Transporting | 5 | Expired |
| US5154912A | O.sup.17 isotopic peroxides | Chemistry; Metallurgy | 4 | Expired |
| US3984451A | Method for preparing hydrazo-bis-acetonitriles | Chemistry; Metallurgy | 4 | Expired |
| US3948902A | Method for preparing azines | Chemistry; Metallurgy | 4 | Expired |
| US6251821A | Solid mixed oxide composition containing molybdenum, cobalt and bismuth, which is suitable for the manufacture of acrolein from propylene by a redox reaction | Chemistry; Metallurgy | 4 | Expired |
| US3972876A | Process for the preparation of symmetrical and unsymmetrical azines and mixtures thereof | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.