Jean-Roger Desmurs
39Patents
6h-index
49Co-inventors
69Inventor score
Filing activity: Dec 16, 1982 → Jul 20, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4983781A | Process for the preparation of 4,4'-dibromobiphenyl in a solvent medium and with a catalyst | Chemistry; Metallurgy | 16 | Expired |
| US5189218A | Preparation of n-phenylbenzoquinone-imine and converting same into p-phenylenediamines | Chemistry; Metallurgy | 7 | Expired |
| US4756725A | Trapping tube adapted to be fitted at the outlet of a gas chromatograph and device for supporting and presenting such a tube | Physics | 7 | Expired |
| US5149858A | Selective ortho-chlorination of phenols | Chemistry; Metallurgy | 7 | Expired |
| US6184418A | Aromatic compound acylation method | Chemistry; Metallurgy | 6 | Expired |
| US5105027A | Catalytic/co-catalytic production of bisphenol A | Performing Operations; Transporting | 6 | Expired |
| US6348631B1 | Method for acylation or sulphonylation of an aromatic compound | Chemistry; Metallurgy | 5 | Expired |
| US6737495B2 | Method for preparing polyorganosiloxanes by polymerization catalyzed by a catalytic system based on triflic acid or triflic acid derivatives | Chemistry; Metallurgy | 4 | Expired |
| US9067908B2 | Polyphenolic bioprecursors | Human Necessities | 4 | Active |
| US5637773A | Acylation of aromatic ethers/phenols | Chemistry; Metallurgy | 3 | Expired |
| US4891452A | Process for the preparation of hydroxybiphenyls | Electricity | 3 | Expired |
| US4885408A | Chlorination of ortho-substituted phenols | Chemistry; Metallurgy | 2 | Expired |
| US6399820B2 | Process and reagent useful for the synthesis of sulphanilide which is perhalogenated on the carbon borne by the sulphur atom of the sulphanilide function | Chemistry; Metallurgy | 2 | Expired |
| US4827047A | Chlorination of nitrophenols | Chemistry; Metallurgy | 2 | Expired |
| US5026926A | Chlorination of ortho-chlorophenol | Chemistry; Metallurgy | 2 | Expired |
| US4956496A | Process for allylation of perhaloalkyl-, perhaloalkoxy- and perhaloalkylthioanilines in the presence of a catalyst | Chemistry; Metallurgy | 2 | Expired |
| US5260475A | Esterification of hydroxybenzoic acids | Chemistry; Metallurgy | 2 | Expired |
| US5053541A | Process for the preparation of N-allyl-meta-trifluoromethyl aniline | Chemistry; Metallurgy | 2 | Expired |
| US6271419A | Process and reagent useful for the synthesis of sulphanilide which is perhalogenated on the carbon borne by the sulphur atom of the sulphanilide function | Chemistry; Metallurgy | 2 | Expired |
| US4855513A | Chlorination of phenolic compounds | Chemistry; Metallurgy | 1 | Expired |
| US5162565A | Process for preparing ditertiary-alkyl dicarbonate | Chemistry; Metallurgy | 1 | Expired |
| US4503239A | Process for the preparation of ethylenic halogenoacetals | Chemistry; Metallurgy | 1 | Expired |
| US4822922A | Stabilization of mixtures of chlorination of phenol/chlorophenols | Chemistry; Metallurgy | 1 | Expired |
| US4954662A | Selective chlorination of ortho-substituted phenols | Chemistry; Metallurgy | 1 | Expired |
| US6049015A | Method for C-alkylating hydroxylated aromatic compounds | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.