Colorphotographic recording material

Claim 1

A colourphotographic recording material which, in at least one light-sensitive silver halide emulsion layer, intermediate layer and/or protective layer, contains at least one polyalkylpiperidine compound as an optical stabiliser, wherein the optical stabiliser is a compound of the formula I ##STR17## in which R 1 is hydrogen or methyl, R 2 is hydroxyl, C 1 -C 12 -alkyl, C 3 -C 6 -alkenyl, C 3 -C 4 -alkynyl, C 7 -C 12 -aralkyl, glycidyl, halogen-, cyano-, --COOR 9 -- or --CON(R 10 )(R 11 )-substituted C 1 -C 4 -alkyl, a --CO--R 12 , --CO--OR 9 or --CO--N(R 10 )(R 11 ) group, a --CH 2 --CH(R 13 )--OR 14 , --SO--R 15 , --SO 2 --R 15 , --OR 9 or --OOC--R 12 group, or a group of the formula ##STR18## R 3 and R 5 are hydrogen or hydroxyl in such a way that either R 3 is hydrogen and R 5 is hydroxyl or R 3 is hydroxyl and R 5 is hydrogen, R 4 is C 1 -C 12 -alkyl, C 5 -C 8 -cycloalkyl, C 6 -C 10 -aryl or C 7 -C 9 -phenylalkyl, R 6 and R 7 , independently of each other, are hydrogen, C 1 -C 12 -alkyl, C 5 -C 8 -cycloalkyl, C 6 -C 10 -aryl or C 7 -C 9 -phenylalkyl, R 8 is hydrogen, C 1 -C 12 -alkyl, C 5 -C 8 -cycloalkyl, benzyl or phenyl, R 9 is C 1 -C 12 -alkyl, allyl, cyclohexyl or benzyl, R 10 is C 1 -C 12 -alkyl, allyl, cyclohexyl, benzyl, phenyl or C 7 -C 12 -alkylphenyl, R 11 is hydrogen, C 1 -C 12 -alkyl, allyl, cyclohexyl or benzyl, or R 10 and R 11 , together with the N atom to which they are bonded, form a 5- or 6-membered heterocyclic ring, R 12 is hydrogen, C 1 -C 12 -alkyl, C 2 -C 6 -alkenyl, chloromethyl, C 5 -C 8 -cycloalkyl, C 7 -C 12 -aralkyl, phenyl, C 7 -C 12 -alkylphenyl or phenyl, phenylmethyl or phenylethyl which is substituted by 1 or 2 C 1 -C 4 -alkyl groups and a hydroxyl group, R 13 is hydrogen, C 1 -C 4 -alkyl, C 2 -C 13 -alkoxymethyl, phenyl or phenoxymethyl, R 14 is hydrogen, C 1 -C 12 -alkyl, a --CO--R 12 or --CO--N(R 10 )(R 11 ) group or a group of the formula II ##STR19## R 15 is C 1 -C 12 -alkyl, phenyl or C 7 -C 12 -alkylphenyl, A is a direct bond or C 1 -C 12 -alkylene which can be interrupted by --S-- or --COO-- or be substituted by one of the groups --SO 2 --R 15 , --CN, --P(O)(OR 15 ) 2 or ##STR20## B is C 2 -C 12 -alkylene, C 4 -C 8 -alkenylene, C 4 -C 6 -alkynylene or C 8 -C 14 -aralkylene, and X is --O-- or --N(R 16 )-- in which R 16 is hydrogen, C 1 -C 18 -alkyl, C 5 -C 12 -cycloalkyl or a group of the formula III ##STR21##