Inventor · Poissy, FR

Serge Ratton

25Patents
4h-index
17Co-inventors
60Inventor score

Filing activity: Feb 9, 1978 → Aug 17, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US4473713A Hydrolysis of aryl-aliphatic ethers Emerging Cross-Sectional Technologies 8 Expired
US5189218A Preparation of n-phenylbenzoquinone-imine and converting same into p-phenylenediamines Chemistry; Metallurgy 7 Expired
US4487975A Etherification of phenols Chemistry; Metallurgy 5 Expired
US4876396A Selective chlorination of phenols Chemistry; Metallurgy 4 Expired
US4723043A Nitration of phenolic compounds Chemistry; Metallurgy 3 Expired
US4727182A Preparation of monohalohydroquinone monocarboxylates/dicarboxylates Chemistry; Metallurgy 2 Expired
US5026926A Chlorination of ortho-chlorophenol Chemistry; Metallurgy 2 Expired
US4551557A Bromination of substituted benzaldehydes Chemistry; Metallurgy 2 Expired
US5053541A Process for the preparation of N-allyl-meta-trifluoromethyl aniline Chemistry; Metallurgy 2 Expired
US4885408A Chlorination of ortho-substituted phenols Chemistry; Metallurgy 2 Expired
US5260475A Esterification of hydroxybenzoic acids Chemistry; Metallurgy 2 Expired
US4508922A Process for the preparation of optionally halogenated anilines Chemistry; Metallurgy 2 Expired
US4822922A Stabilization of mixtures of chlorination of phenol/chlorophenols Chemistry; Metallurgy 1 Expired
US4551558A Bromination of substituted benzaldehydes Chemistry; Metallurgy 1 Expired
US5030769A Continuous direct preparation of nitrophenols Chemistry; Metallurgy 1 Expired
US4275003A Preparation of aromatic azoamines by diazotization/coupling/rearrangement of aromatic amines Chemistry; Metallurgy 1 Expired
US4269767A Diazotization of aromatic amines Chemistry; Metallurgy 1 Expired
US4851566A Process for producing organic compounds containing an alkoxyalkylidene group Chemistry; Metallurgy 1 Expired
US4683346A Selective preparation of monohalohydroquinones Chemistry; Metallurgy 1 Expired
US4738796A Process for preparing organic compounds containing an alkoxyalkylidene group Chemistry; Metallurgy 1 Expired
US5206407A Process for the preparation of secondary of tertiary dialkyl dicarbonate Chemistry; Metallurgy 0 Expired
US12258312B2 Carbonyl compounds, methods for preparing same and uses thereof Chemistry; Metallurgy 0 Active
US6235949A Process for the preparation of halogenated derivatives and Lewis acid base catalysts thereof Chemistry; Metallurgy 0 Expired
US4853153A Stabilization of mixtures of chlorination of phenol/chlorophenols Chemistry; Metallurgy 0 Expired
US5183928A Preparation of hydroquinone monocarboxylates Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.