Jacques Kervennal
22Patents
5h-index
28Co-inventors
69Inventor score
Filing activity: Oct 23, 1978 → Jan 6, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4242235A | Supports for silver catalysts utilized in the production of ethylene oxide | Emerging Cross-Sectional Technologies | 52 | Expired |
| US5383964A | Process for the oxidation of cationic starches and amphoteric starches, containing carboxyl and cationic groups, thus obtained | Chemistry; Metallurgy | 27 | Expired |
| US7655818B2 | Process for dehydrating glycerol to acrolein | Performing Operations; Transporting | 14 | Expired |
| US5672764A | Selective aldolization of acetone to diacetone alcohol by a solid basic catalyst | Chemistry; Metallurgy | 8 | Expired |
| US7829634B2 | Scorch-delaying composition | Chemistry; Metallurgy | 7 | Active |
| US5114433A | Directly distilled diesel fuels having improved cetane numbers | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4454322A | Process for the preparation of 2-benzoxazolone and derivatives from ortho-nitrophenols and carbon monoxide | Chemistry; Metallurgy | 4 | Expired |
| US4650899A | Liquid composition containing diisocyanate of diphenylurethane | Chemistry; Metallurgy | 4 | Expired |
| US7226964B2 | Composition comprising a nitroxide, a promoter and optionally a free-radical initiator | Chemistry; Metallurgy | 3 | Expired |
| US5417755A | Amphoteric starch containing carboxyl and cationic groups | Chemistry; Metallurgy | 3 | Expired |
| US4332739A | Process for the manufacture of aromatic isocyanates | Chemistry; Metallurgy | 2 | Expired |
| US4574059A | Decane-1,10-diisocyanates and methods of making the same | Chemistry; Metallurgy | 2 | Expired |
| US5186864A | Synthesis of dielectric liquids by improved Friedel-Crafts condensation | Chemistry; Metallurgy | 1 | Expired |
| US4478757A | Process for the manufacture of aromatic isocyanates | Chemistry; Metallurgy | 1 | Expired |
| US4323515A | Process for the preparation of organic isocyanates from nitro derivatives | Performing Operations; Transporting | 1 | Expired |
| US7262250B2 | Scorch-retardant composition | Chemistry; Metallurgy | 1 | Expired |
| US4609639A | Heteropolymetallic clusters, methods of making such clusters, and catalysts utilizing such clusters | Chemistry; Metallurgy | 1 | Expired |
| US4595744A | Low melting point diphenylethane diisocyanate mixtures, method of making the same, and polyurethanes made therefrom | Chemistry; Metallurgy | 0 | Expired |
| US5545776A | Synthesis of n-perfluorooctyl bromide | Chemistry; Metallurgy | 0 | Expired |
| US4937383A | Process for manufacturing amines from olefins | Chemistry; Metallurgy | 0 | Expired |
| US4426515A | Process for the manufacture of polyurethanes by carbonylation of nitrated hydroxy-aromatic compounds | Chemistry; Metallurgy | 0 | Expired |
| US5849957A | Process for obtaining isophorone | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.