Process for producing aromatic primary diamines

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United States of America Patent

PATENT NO 11066377
APP PUB NO 20200172501A1
SERIAL NO

16781356

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Abstract

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The present disclosure relates to a process for the production of aromatic primary amines, by reacting an aromatic dialdehyde with hydrogen and ammonia or an ammonia-liberating compound, in the presence of a hydrogenation catalyst and an amine, wherein the molar ratio of the amine to the aromatic dialdehyde is no less than 1:4 at the start of the reaction.

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Patent OwnerAddress
SPECIALTY OPERATIONS FRANCE9 RUE DES CUIRASSIERS IMMEUBLE SILEX 2 SOLVAY LYON 69003

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Decampo, Floryan Milan, IT 19 39
Li, Peng Shanghai, CN 915 8951

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges4964194839101 - 1011 - 2021 - 300250500750100012501500175020002250250027503000325035003750400042504500475050005250

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