Piperidine derivatives, their production and use as stabilizers
申请人:Sumitomo Chemical Company, Ltd.
公开号:US04670489A1
公开(公告)日:1987-06-02
The present invention relates to a piperidine derivative represented by the general formula (I), ##STR1## wherein R.sub.1 is a uni- or divalent carboxylic acid residue, R.sub.2 is a hydrogen atom or a C.sub.1 -C.sub.3 alkyl or C.sub.1 -C.sub.18 acyl group, l is an integer of 1 to 3 and n is 1 or 2, its production and a stabilizer for organic substances containing it as an effective ingredient.