Decolorization of alkylated diarylamines

Details Decolorization of alkylated diarylamines Decolorization of alkylated diarylamines

C - Chemistry, Metallurgy

07

C

C07C 211/55 (2006.01) C07C 209/84 (2006.01) C07D 279/20 (2006.01)

Patent

CA 2151041

Disclosed is a method for decolorizing alkylated diarylamines, which have been made using aluminum chloride catalyst, by mixing and optionally heating the colored diarylamine with clay, then separating the decolorized diarylamine from the clay. Alternatively, the alkylated diarylamines, which have been made using aluminum chloride catalyst, may be decolorized by passing die diarylamines through a filter medium comprising clay.

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