Sumitomo Chemical Company, Limited

Mitsuo Shimode

Shuhei Hashizume

Shinichi Yabushita

Nobuaki Kawamura

Kazusige Okamoto

Motohiko Sammizzo

A piperidine compound having excellent blooming resistance represented by the formula (I) ##STR1## (wherein, R.sub.1, R.sub.2 and R.sub.3 each independently represent a hydrogen atom, lower alkyl group, cycloalkyl group having 5 to 7 carbon atoms or an acyl group having 2 to 18 carbon atoms. R.sub.4 represents an acyl group having 2 to 18 carbon atoms.) is provided, and a method for producing the piperidine compound and use thereof as a stabilizer for an organic material are also provided.

Piperidine compound

A reactive dye composition which contains a dye mixture comprising; at least one reactive dye selected from dyes represented by the following formula (I): ##STR1## in which Q is --SO.sub.2 CH.sub.2 CH.sub.2 Z in which Z is a group splittable by the action of alkali or --SO.sub.2 CH.dbd.CH.sub.2, and M.sup.1 is hydrogen, an alkali metal or an alkaline earth metal, and at least one anthraquinone compound usable as an acid dye; and a process for dyeing or printing a fiber material using the reactive dye composition.

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Osaka, Japan

Mitsuo Shimode