Alkylated 1,3-benzenediamine compounds and methods for...

C - Chemistry – Metallurgy – 07 – C

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C07C 211/51 (2006.01) C07C 209/22 (2006.01) C10M 133/12 (2006.01)

Patent

CA 2707493

An alkylated 1,3-benzenediamine compound used as a deposit-control lubricant additives for organic materials in-cluding lubricating oil, gasoline, and diesel fuels. The invention improves the oxidative stability of the lubricants and fuels by adding the alkylated 1,3- benzenediamine compound. The alkylated 1,3-benzenediamine compound is formed using a catalytic hydrogena-tion that alkylates the 4 and/or 6 position of the central aromatic ring.

L'invention porte sur un composé 1,3-benzènediamine alkylée utilisé comme additif anticalaminant pour lubrifiants, approprié pour des matières organiques, comprenant une huile lubrifiante, de l'essence et des carburants diesel. L'invention permet d'améliorer la stabilité oxydante des lubrifiants et des combustibles par l'addition du composé 1,3-benzènediamine alkylée. Le composé 1,3-benzènediamine alkylée est formé par une hydrogénation catalytique qui alkyle la position 4 et/ou 6 du noyau aromatique central.

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