Method for increasing color-fastness of organic coloring matter

Claim 1

A method for increasing fastness of an organic coloring matter, making coexist the organic coloring matter having the absorption maximum within the wavelength region from 400 nm to 700 nm with a compound represented by the following general formula in a medium: ##STR256## wherein R 1 and R 1 ' are independently selected from a hydrogen atom, an alkyl group, a cycloalkyl group, a halogen atom, an alkoxy group, an aryloxy group, --CO--O--R 4 , ##STR257## --NHCOR 9 and --NHSO 2 R 13 , R 4 is selected from an alkyl group and a cycloalkyl group, R 5 and R 6 are independently selected from a hydrogen atom, an alkyl group, an aryl group and a cycloalkyl group, and R 5 and R 6 may be bonded to form a five to seven membered ring, R 7 and R 8 are the same as R 5 and R 6 , R 9 is selected from an alkyl group, an aryl group --OR 10 and ##STR258## R 10 is selected from an alkyl group and a cycloalkyl group, R 11 and R 12 are the same as R 5 and R 6 , R 13 is selected from an alkyl group, an aryl group and ##STR259## R 14 and R 15 are the same as R 5 and R 6 , R 2 and R 2 ' are independently selected from a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an alkoxycarbonyl group, an alkenyl group and a cycloalkyl group, and R 1 and R 2 , or R 1 ' and R 2 ' may be bonded to form a condensed benzene ring, respectively, M is a metal atom, X and X' is independently selected from an oxygen atom and a sulfur atom, Y is selected from an oxygen atom, a sulfur atom, --SO and --SO 2 , and R 3 is selected from a hydrogen atom, an alkyl group, an aryl group, a cycloalkyl group, --CO--R 16 , ##STR260## --SO--R 21 and --SO 2 R 22 , R 16 is selected from an alkyl group, an alkenyl group, an aryl group and a cycloalkyl group, Z is a group of atoms necessary to complete five or six membered heterocyclic ring, R 17 and R 18 are independently selected from a hydrogen atom, an alkyl group, an aryl group and a cycloalkyl group, R 17 and R 18 may be bonded to form a five to seven membered ring, R 19 and R 20 are the same as R 17 and R 18 , R 21 is selected from an alkyl group and an aryl group and R 22 is the same as R 21 .

Claim 2

A method for increasing fastness of an organic coloring matter, making coexist the organic coloring matter having the absorption maximum within the wavelength region from 400 nm to 700 nm with a compound represented by the following general formula in a medium: ##STR256## wherein R 1 and R 1 ' are independently selected from a hydrogen atom, an alkyl group, a cycloalkyl group, a halogen atom, an alkoxy group, an aryloxy group, --CO--O--R 4 , ##STR257## --NHCOR 9 and --NHSO 2 R 13 , R 4 is selected from an alkyl group and a cycloalkyl group, R 5 and R 6 are independently selected from a hydrogen atom, an alkyl group, an aryl group and a cycloalkyl group, and R 5 and R 6 may be bonded to form a five to seven membered ring, R 7 and R 8 are the same as R 5 and R 6 , R 9 is selected from an alkyl group, an aryl group --OR 10 and ##STR258## R 10 is selected from an alkyl group and a cycloalkyl group, R 11 and R 12 are the same as R 5 and R 6 , R 13 is selected from an alkyl group, an aryl group and ##STR259## R 14 and R 15 are the same as R 5 and R 6 , R 2 and R 2 ' are independently selected from a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an alkoxycarbonyl group, an alkenyl group and a cycloalkyl group, and R 1 and R 2 , or R 1 ' and R 2 ' may be bonded to form a condensed benzene ring, respectively, M is a metal atom, X and X' is independently selected from an oxygen atom and a sulfur atom, Y is selected from an oxygen atom, a sulfur atom, --SO and --SO 2 , and R 3 is selected from a hydrogen atom, an alkyl group, an aryl group, a cycloalkyl group, --CO--R 16 , ##STR260## --SO--R 21 and --SO 2 R 22 , R 16 is selected from an alkyl group, an alkenyl group, an aryl group and a cycloalkyl group, Z is a group of atoms necessary to complete five or six membered heterocyclic ring, R 17 and R 18 are independently selected from a hydrogen atom, an alkyl group, an aryl group and a cycloalkyl group, R 17 and R 18 may be bonded to form a five to seven membered ring, R 19 and R 20 are the same as R 17 and R 18 , R 21 is selected from an alkyl group and an aryl group and R 22 is the same as R 21 .