1. A scroll compressor comprising:
a stationary scroll and a slewing scroll having an end plate and a scroll-like wrap raised from the end plate, respectively;
an inhale opening provided at an outer periphery of the stationary scroll for inhaling fluid;
a compression space provided by engaging the respective wraps to each other, the compression space for compressing the fluid inhaled from the inhale opening by reducing capacity thereof while moving from the outer circumference to a center part of the stationary scroll by a circular orbit motion of the slewing scroll; and
a discharge opening provided at the center part for discharging the fluid compressed by the compression space,
wherein at least any one of side faces sliding to each other of the respective wraps has a machining mark parallel to a surface of a corresponding one of the end plates.
2. A scroll compressor comprising:
a stationary scroll and a slewing scroll having an end plate and a scroll-like wrap raised from the end plate, respectively;
an inhale opening provided at an outer periphery for inhaling fluid;
a compression space provided by engaging the respective wraps to each other, the compression space for compressing the fluid inhaled from the inhale opening by reducing capacity thereof while moving from the outer circumference to a center part by a circular orbit motion of the slewing scroll; and
a discharge opening provided at the center part for discharging the fluid compressed by the compression space,
wherein at least any one of side faces sliding to each other of the respective wraps has a shape perpendicular to a surface of a corresponding one of the end plates that is Hale-machined by transferring a shape of non-rotation machining.
3. The scroll compressor according to claim 1, wherein at least any of side faces sliding to each other of the respective wraps is cut by a non-rotational tool.
4. The scroll compressor according to claim 1, wherein at least any of side faces sliding to each other of the respective wraps has a surface roughness of at most 1 micrometer.
5. A method for machining a scroll wrap comprising:
A) forming a stationary scroll and a slewing scroll that respectively have an end plate and a scroll-like wrap raised from the end plate for constituting a scroll compressor; and
B) cutting at least any of side faces sliding to each other of the respective wraps by a non-rotational tool.
6. The method for machining a scroll wrap according to claim 5, wherein the non-rotational tool has a height longer than the height of a raised part of the respective wrap from corresponding one of the end plates.
7. The method for machining a scroll wrap according to claim 5, further comprising:
C) chucking any of the stationary scroll and the slewing scroll formed by the step A and cutting-machining at least any of side faces sliding to each other of the respective wraps and a surface of a corresponding one of the end plates by an end mill,
wherein the step B is performed while the chucking status in step C is being maintained.
8. The method for machining a scroll wrap according to claim 5, wherein:
the step B allows a non-rotational tool to cutting-machine at least any of side faces sliding to each other of the respective wraps and a surface of a corresponding one of the end plates, and
the method further comprises;
D) performing a finishing by cutting with a non-rotational tool while a same chucking status as that in cutting in the step B is being maintained.
9. The method for machining a scroll wrap according to claim 5, wherein at least any of side faces sliding to each other of the respective wraps and a surface of a corresponding one of the end plates are simultaneously cutting-machined and finished by one non-rotational tool in the step B.
10. The method for machining a scroll wrap according to claim 5, wherein at least any of side faces sliding to each other of the respective wraps and a surface of a corresponding one of the end plates are separately cutting-machined and finished by different non-rotational tools in the step B.
11. The method for machining a scroll wrap according to claim 5, wherein both of an inner face and an outer face of at least any wrap of the stationary scroll and the slewing scroll are cutting-machined and finished a non-rotational tool in any one of an order from the inner face to the outer face and an order from the outer face to the inner face.
12. The scroll compressor according to claim 2, wherein at least any of side faces sliding to each other of the respective wraps is cut by a non-rotational tool.
13. The scroll compressor according to claim 2, wherein at least any of side faces sliding to each other of the respective wraps has a surface roughness of at most 1 micrometer.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A kit comprising: (a) a first in container 1a comprising a composition comprising a cosmetic carrier, at least one CH-acidic compound selected from the group consisting of a compound of the formula I andor enamine forms thereof, a compound of the formula (II), and a compound of the formula (III)
wherein
each of R1 and R2 is independently a linear or cyclic C1-C6-alkyl group, a C2-C6-alkenyl group, an optionally substituted aryl group, an optionally substituted heteroaryl group, an aryl-C1-C6-alkyl group, a C1-C6-hydroxyalkyl group, a C2-C6-polyhydroxyalkyl group, a C1-C6-alkoxy-C1-C6-alkyl group, a group RIRIIN\u2014(CH2)p\u2014, in which each if RI and RII is independently a hydrogen atom, a C1-C4-alkyl group, a C1-C4-hydroxyalkyl group or an aryl-C1-C6-alkyl group, where RI and RII, together with the nitrogen atom, can form a 5-, 6- or 7-membered ring and p is a number 2, 3, 4, 5 or 6,
each of R3 and R5 is independently a hydrogen atom or a C1-C6-alkyl group, wherein at least one of the radicals R3 or R5 is a C1-C6-alkyl group,
R4 is a hydrogen atom, a C1-C6-alkyl group, a C1-C6-hydroxyalkyl group, a C2-C6-polyhydroxyalkyl group, a C1-C6-alkoxy group, a C1-C6-hydroxyalkoxy group, a group RIIIRIVN\u2014(CH2)q\u2014, wherein each of RIII and RIV is independently a hydrogen atom, a C1-C6-alkyl group, a C1-C6-hydroxyalkyl group or an aryl-C1-C6-alkyl group and q is a number 1, 2, 3, 4, 5 or 6, where the radical R4, together with one of the radicals R3 or R5, can form a 5- or 6-membered aromatic ring which can optionally be substituted by a halogen atom, a C1-C6-alkyl group, a C1-C6-hydroxyalkyl group, a C2-C6-polyhydroxyalkyl group, a C1-C6-alkoxy group, a C1-C6-hydroxyalkoxy group, a nitro group, a hydroxy group, a group RVRVIN\u2014(CH2)8\u2014, wherein each of RV and RVI is independently a hydrogen atom, a C1-C6-alkyl group, a C1-C6-hydroxyalkyl group or an aryl-C1-C6-alkyl group and s is a number 0, 1, 2, 3, 4, 5 or 6,
Y1 is an oxygen atom, a sulfur atom or a group NRVII, wherein RVII is a hydrogen atom, an aryl group, a heteroaryl group, a C1-C6-alkyl group or a C1-C6-arylalkyl group,
X\u2212 is a physiologically compatible anion,
Het is an optionally substituted heteroaromatic,
X1 is a direct bond or a carbonyl group,
each of R5 and R7 together with the nitrogen atom to which they are bonded form a saturated or unsaturated 5- or 6-membered ring or, independently of one another, are a (C1-C6)-alkyl group, a (C2-C6)-alkenyl group, an aryl group, an aryl-(C1-C6)-alkyl group, a (C2-C6)-hydroxyalkyl group, a (C2-C6)-polyhydroxyalkyl group or a group RIRIIN\u2014(CH2)m\u2014, wherein each of RI and RII is independently a hydrogen atom, a (C1-C6)-alkyl group, a (C1-C6)-alkenyl group or an aryl-C1-C6-alkyl group, wherein RI and RII, together with the nitrogen atom to which they are bonded form a 5-, 6- or 7-membered ring and m is a number 2, 3, 4, 5 or 6, and
R8 is a hydrogen atom, a (C1-C6)-alkyl group, a (C2-C6)-alkenyl group, an aryl group, an aryl-(C1-C6)-alkyl group, a (C2-C6)-hydroxyalkyl group, a (C2-C6)-polyhydroxyalkyl group or a group RIIIRIVN\u2014(CH2)n\u2014, in which RIII and RIV, independently of one another, are a hydrogen atom, a (C1-C6)-alkyl group, a (C1-C6)-alkenyl group or an aryl-C1-C6-alkyl group, where RIII and RIV, together with the nitrogen atom, can form a 5-, 6- or 7-membered ring and n is a number 2, 3, 4, 5 or 6;
(b) a second container 1b comprising a cosmetic carrier and at least one aldehyde of the formula (IV)
wherein
each of R1*, R2* and R3* is independently a hydrogen atom, a halogen atom, a C1-C6-alkyl group, a hydroxy group, a C1-C6-alkoxy group, a C1-C6-dialkylamino group, a di(C2-C6-hydroxyalkyl)amino group, a di(C1-C6-alkoxy-C1-C6-alkyl)amino group, a C1-C6-hydroxyalkyloxy group, a sulfonyl group, a carboxy group, a sulfonic acid group, a sulfonamido group, a sulfonamide group, carbamoyl group, a C2-C6-acyl group or a nitro group,
Z\u2032 is a direct bond or a vinylene group,
each of R4* and R5* is a hydrogen atom or together with the remainder of the molecule jointly form a 5- or 6-membered aromatic or aliphatic ring,
wherein the composition in the second container has an acidic pH and;
(c) optionally a third container 3 comprising a cosmetic composition having an alkaline pH.
2. The kit of claim 1 wherein the compound of formula I is selected from the group consisting of:
1,2-dihydro-1,3,4,6-tetramethyl-2-oxopyrimidinium,
1,2-dihydro-1,3-diethyl-4,6-dimethyl-2-oxopyrimidinium,
1,2-dihydro-1,3-dipropyl-4,6-dimethyl-2-oxopyrimidinium,
1,2-dihydro-1,3-di(2-hydroxyethyl)-4,6-dimethyl-2-oxopyrimidinium,
1,2-dihydro-1,3-diphenyl-4,6-dimethyl-2-oxopyrimidinium,
1,2-dihydro-1,3,4-trimethyl-2-oxopyrimidinium,
1,2-dihydro-1,3-diethyl-4-methyl-2-oxopyrimidinium,
1,2-dihydro-1,3-dipropyl-4-methyl-2-oxopyrimidinium,
1,2-dihydro-1,3-di(2-hydroxyethyl)-4-methyl-2-oxopyrimidinium,
1,2-dihydro-1,3-diphenyl-4-methyl-2-oxopyrimidinium,
1-allyl-1,2-dihydro-3,4,6-trimethyl-2-oxopyrimidinium,
1,2-dihydro-1-(2-hydroxyethyl)-3,4,6-trimethyl-2-oxopyrimidinium,
1,2-dihydro-1,3,4,6-tetramethyl-2-thioxopyrimidinium,
1,2-dihydro-1,3-diethyl-4,6-dimethyl-2-thioxopyrimidinium,
1,2-dihydro-1,3-dipropyl-4,6-dimethyl-2-thioxopyrimidinium,
1,2-dihydro-1,3-di(2-hydroxyethyl)-4,6-dimethyl-2-thioxopyrimidinium,
1,2-dihydro-1,3-diphenyl-4,6-dimethyl-2-thioxopyrimidinium,
1,2-dihydro-1,3,4-trimethyl-2-thioxopyrimidinium,
1,2-dihydro-1,3-diethyl-4-methyl-2-thioxopyrimidinium,
1,2-dihydro-1,3-dipropyl-4-methyl-2-thioxopyrimidinium,
1,2-dihydro-1,3-di(2-hydroxyethyl)-4-methyl-2-thioxopyrimidinium,
1,2-dihydro-1,3-diphenyl-4-methyl-2-thioxopyrimidinium,
1,2-dihydro-3,4-dimethyl-2-oxoquinazolinium and
1,2-dihydro-3,4-dimethyl-2-thioxoquinazolinium.
and a salt thereof having a physiologically compatible counterion X\u2212.
3. The kit of claim 1 wherein the radical Het of the compound of the formula (II) is derived from a heteroaromatic compound selected from the group consisting of: furan, thiophene, pyrrole, isoxazole, isothiazole, imidazole, oxazole, thiazole, pyridine, pyridazine, pyrimidine, pyrazine, 1,2,3-triazine, 1,2,4-triazine, 1,3,5-triazine, benzopyrrole, benzofuran, benzothiophene, benzimidazole, benzoxazole, indazole, benzoisoxazole, benzoisothiazole, indole, quinoline, isoquinoline, cinnoline, phthalazine, quinazoline, quinoxaline, acridine, benzoquinoline, benzoisoquinoline, phenazine, benzocinnoline, benzoquinazoline, benzoquinoxaline, phenoxazine, phenothiazine, nephthyridine, phenanthroline, indolizine, quinolizine, carboline, purine, pteridine and coumarin; and the heteroaromatics substituted by at least one group selected from the group consisting of a halogen atom, a nitro group, a thio group, a thio-(C1-C6)-alkyl group, a heteroaryl group, an aryl group, a (C1-C6)-alkyl group, a (C1-C6)-alkoxy group, a hydroxy group, a (C2-C6)-hydroxyalkyl group, a (C2-C6)-polyhydroxyalkyl group, a (C1-C6)-alkoxy-(C1-C6)-alkyl group, an aryl-(C1-C6)-alkyl group, an amino group, a (C1-C6)-monoalkylamino group, a (C1-C6)-dialkylamino group, a dialkylaminoalkyl group \u2014(CH2)n\u2014NR\u2032R\u2033; wherein n is an integer from 2 to 6 and each of R\u2032 and R\u2033 is independently a linear or branched alkyl group which can optionally together form a ring.
4. The kit of claim 1 wherein the compound of formula II is selected from the group consisting of 2-(2-furoyl)acetonitrile, 2-(5-bromo-2-furoyl)acetonitrile, 2-(5-methyl-2-trifluoromethyl-3-furoyl)acetonitrile, 3-(2,5-dimethyl-3-furyl)-3-oxopropanitrile, 2-(2-thenoyl)acetonitrile, 2-(3-thenoyl)acetonitrile, 2-(5-fluoro-2-thenoyl)acetonitrile, 2-(5-chloro-2-thenoyl)acetonitrile, 2-(5-bromo-2-thenoyl)acetonitrile, 2-(5-methyl-2-thenoyl)acetonitrile, 2-(2,5-dimethylpyrrol-3-oyl)acetonitrile, 2-(1,2,5-trimethylpyrrol-3-oyl)acetonitrile, 1H-benzimidazol-2-ylacetonitrile, 1H-benzothiazol-2-ylacetonitrile, 2-(pyrid-2-yl)acetonitrile, 2,6-bis(cyanomethyl)pyridine, 2-(indol-3-oyl)acetonitrile, 2-(2-methylindol-3-oyl)acetonitrile, 8-cyanoacetyl-7-methoxy-4-methylcoumarin, 2-(2-isopropyl-5,6-benzoquinolin-4-oyl)acetonitrile, 2-(2-phenyl-5,6-benzoquinolin-4-oyl)acetonitrile, 2-(quinoxalin-2-yl)acetonitrile, 2-(coumaron-2-yl)acetonitrile, butyl 6,7-dichloro-5-(cyanoacetyl)-2,3-dihydro-1-benzofuran-2-carboxylate, 2-(6-hydroxy-4,7-dimethoxy-1-benzofuran-5-oyl)acetonitrile and 2-(1-phenyl-1,4-dihydrothiochromeno4,3-cpyrazol-3-oyl)acetonitrile.
5. The kit of claim 1 wherein R6 and R7 in formula (III) together with the nitrogen atom to which they are bonded form a saturated 5- or 6-membered ring.
6. The kit of claim 1 wherein the compound of the formulae (I), (II) and (III) is a salt selected from the group consisting of: 1,2-dihydro-1,3,4,6-tetramethyl-2-oxopyrimidinium; 1,2-dihydro-1,3,4-trimethyl-2-oxopyrimidinium; 1,2-dihydro-1,3,4,6-tetramethyl-2-thioxopyrimidinium; 1-allyl-1,2-dihydro-3,4,6-trimethyl-2-oxopyrimidinium; 1,2-dihydro-1-(2-hydroxyethyl)-3,4,6-trimethyl-2-oxopyrimidinium; 2-(Cyanomethyl)benzimidazole; 4,5-Dihydro-4-imino-2-(1-piperidinyl)thiazole; 4,5-Dihydro-4-imino-2-(4-morpholinyl)thiazole; 4,5-Dihydro-4-imino-2-(1-pyrrolidinyl)thiazole; wherein the counterion X\u2212 of the salt is a physiologically compatible counterion.
7. The kit of claim 1 wherein the compound of the formula (IV) is selected from the group consisting of: 4-hydroxy-3-methoxybenzaldehyde, 3,5-dimethoxy-4-hydroxybenzaldehyde, 4-hydroxy-1-naphthaldehyde, 4-hydroxy-2-methoxybenzaldehyde, 3,4-dihydroxy-5-methoxybenzaldehyde, 3,4,5-trihydroxybenzaldehyde, 3,5-dibromo-4-hydroxybenzaldehyde, 4-hydroxy-3-nitrobenzaldehyde, 3-bromo-4-hydroxybenzaldehyde, 4-hydroxy-3-methylbenzaldehyde, 3,5-dimethyl-4-hydroxybenzaldehyde, 5-bromo-4-hydroxy-3-methoxybenzaldehyde, 4-diethylamino-2-hydroxybenzaldehyde, 4-dimethylamino-2-methoxybenzaldehyde, 2-methoxybenzaldehyde, 3-methoxybenzaldehyde, 4-methoxybenzaldehyde, 2-ethoxybenzaldehyde, 3-ethoxybenzaldehyde, 4-ethoxybenzaldehyde, 4-hydroxy-2,3-dimethoxybenzaldehyde, 4-hydroxy-2,5-dimethoxybenzaldehyde, 4-hydroxy-2,6-dimethoxybenzaldehyde, 4-hydroxy-2-methylbenzaldehyde, 4-hydroxy-2,3-dimethylbenzaldehyde, 4-hydroxy-2,5-dimethylbenzaldehyde, 4-hydroxy-2,6-dimethylbenzaldehyde, 3,5-diethoxy-4-hydroxybenzaldehyde, 2,6-diethoxy-4-hydroxybenzaldehyde, 3-hydroxy-4-methoxybenzaldehyde, 2-hydroxy-4-methoxybenzaldehyde, 2-ethoxy-4-hydroxybenzaldehyde, 3-ethoxy-4-hydroxybenzaldehyde, 4-ethoxy-2-hydroxybenzaldehyde, 4-ethoxy-3-hydroxybenzaldehyde, 2,3-dimethoxybenzaldehyde, 2,4-dimethoxybenzaldehyde, 2,5-dimethoxybenzaldehyde, 2,6-dimethoxybenzaldehyde, 3,4-dimethoxybenzaldehyde, 3,5-dimethoxybenzaldehyde, 2,3,4-trimethoxybenzaldehyde, 2,3,5-trimethoxybenzaldehyde, 2,3,6-trimethoxybenzaldehyde, 2,4,6-trimethoxybenzaldehyde, 2,4,5-trimethoxybenzaldehyde, 2,5,6-trimethoxybenzaldehyde, 2-hydroxybenzaldehyde, 3-hydroxybenzaldehyde, 4-hydroxybenzaldehyde, 2,3-dihydroxybenzaldehyde, 2,4-dihydroxy-benzaldehyde, 2,4-dihydroxy-3-methylbenzaldehyde, 2,4-dihydroxy-5-methylbenzaldehyde, 2,4-dihydroxy-6-methylbenzaldehyde, 2,4-dihydroxy-3-methoxybenzaldehyde, 2,4-dihydroxy-5-methoxybenzaldehyde, 2,4-dihydroxy-6-methoxybenzaldehyde, 2,5-dihydroxybenzaldehyde, 2,6-dihydroxybenzaldehyde, 3,4-dihydroxybenzaldehyde, 3,4-dihydroxy-2-methylbenzaldehyde, 3,4-dihydroxy-5-methylbenzaldehyde, 3,4-dihydroxy-6-methylbenzaldehyde, 3,4-dihydroxy-2-methoxybenzaldehyde, 3,5-dihydroxybenzaldehyde, 2,3,4-trihydroxybenzaldehyde, 2,3,5-trihydroxybenzaldehyde, 2,3,6-trihydroxybenzaldehyde, 2,4,6-trihydroxybenzaldehyde, 2,4,5-trihydroxybenzaldehyde, 2,5,6-trihydroxybenzaldehyde, 4-dimethylaminobenzaldehyde, 4-diethylaminobenzaldehyde, 4-dimethylamino-2-hydroxybenzaldehyde, 4-pyrrolidinobenzaldehyde, 4-morpholinobenzaldehyde, 2-morpholinobenzaldehyde, 4-piperidinobenzaldehyde, 3,5-dichloro-4-hydroxybenzaldehyde, 4-hydroxy-3,5-diiodobenzaldehyde, 3-chloro-4-hydroxybenzaldehyde, 5-chloro-3,4-dihydroxybenzaldehyde, 5-bromo-3,4-dihydroxybenzaldehyde, 3-chloro-4-hydroxy-5-methoxybenzaldehyde, 4-hydroxy-3-iodo-5-methoxybenzaldehyde, 2-methoxy-1-naphthaldehyde, 4-methoxy-1-naphthaldehyde, 2-hydroxy-1-naphthaldehyde, 2,4-dihydroxy-1-naphthaldehyde, 4-hydroxy-3-methoxy-1-naphthaldehyde, 2-hydroxy-4-methoxy-1-naphthaldehyde, 3-hydroxy-4-methoxy-1-naphthaldehyde, 2,4-dimethoxy-1-naphthaldehyde, 3,4-dimethoxy-1-naphthaldehyde, 4-dimethylamino-1-naphthaldehyde, 3-hydroxy-4-nitrobenzaldehyde, 2-hydroxy-3-methoxy-5-nitrobenzaldehyde, 5-nitrovanillin, 2,5-dinitrosalicylaldehyde, 5-bromo-3-nitrosalicylaldehyde, 2-dimethylaminobenzaldehyde, 2-chloro-4-dimethylaminobenzaldehyde, 4-dimethylamino-2-methylbenzaldehyde, 4-diethylaminocinnamaldehyde, 4-dibutylaminobenzaldehyde, 3-allyl-4-hydroxybenzaldehyde, 3-allyl-4-hydroxy-5-methoxybenzaldehyde, 3-allyl-4-hydroxy-5-methylbenzaldehyde, 3-allyl-5-bromo-4-hydroxybenzaldehyde, 3,5-diallyl-4-hydroxybenzaldehyde, 3-allyl-4-hydroxy-5-formylbenzaldehyde (5-allyl-4-hydroxy-isophthalaldehyde) and piperonal.
8. The kit of claim 1 wherein the pH is from 2 to 6.
9. The kit of claim 8 wherein the kit is free of coloring components.
10. The kit of claim 1 wherein the pH is from 8 to 11.
11. The kit of claim 10 wherein the kit is free of coloring components.
12. A method for the reversibly recoloring of keratin-containing fibers comprising the steps of (1) contacting fibers which have been colored previously with a colorant comprising, in a cosmetic carrier, component (A) comprising at least one CH-acidic compound selected from the group consisting of a compound of the formula I andor enamine forms thereof, a compound of the formula (II), and a compound of the formula (III)
wherein
each of R1 and R2 is independently a linear or cyclic C1-C6-alkyl group, a C2-C6-alkenyl group, an optionally substituted aryl group, an optionally substituted heteroaryl group, an aryl-C1-C6-alkyl group, a C1-C6-hydroxyalkyl group, a C2-C6-polyhydroxyalkyl group, a C1-C6-alkoxy-C1-C6-alkyl group, a group RIRIIN\u2014(CH2)p\u2014, in which each if RI and RII is independently a hydrogen atom, a C1-C4-alkyl group, a C1-C4-hydroxyalkyl group or an aryl-C1-C6-alkyl group, where RI and RII, together with the nitrogen atom, can form a 5-, 6- or 7-membered ring and p is a number 2, 3, 4, 5 or 6,
each of R3 and R5 is independently a hydrogen atom or a C1-C6-alkyl group, wherein at least one of the radicals R3 or R5 is a C1-C6-alkyl group,
R4 is a hydrogen atom, a C1-C6-alkyl group, a C1-C6-hydroxyalkyl group, a C2-C6-polyhydroxyalkyl group, a C1-C6-alkoxy group, a C1-C6-hydroxyalkoxy group, a group RIIIRIVN\u2014(CH2)q\u2014, wherein each of RIII and RIV is independently a hydrogen atom, a C1-C6-alkyl group, a C1-C6-hydroxyalkyl group or an aryl-C1-C6-alkyl group and q is a number 1, 2, 3, 4, 5 or 6, where the radical R4, together with one of the radicals R3 or R5, can form a 5- or 6-membered aromatic ring which can optionally be substituted by a halogen atom, a C1-C6-alkyl group, a C1-C6-hydroxyalkyl group, a C2-C6-polyhydroxyalkyl group, a C1-C6-alkoxy group, a C1-C6-hydroxyalkoxy group, a nitro group, a hydroxy group, a group RVRVIN\u2014(CH2)8\u2014, wherein each of RV and RVI is independently a hydrogen atom, a C1-C6-alkyl group, a C1-C6-hydroxyalkyl group or an aryl-C1-C6-alkyl group and s is a number 0, 1, 2, 3, 4, 5 or 6,
Y1 is an oxygen atom, a sulfur atom or a group NRVII, wherein RVII is a hydrogen atom, an aryl group, a heteroaryl group, a C1-C6-alkyl group or a C1-C6-arylalkyl group,
X\u2212 is a physiologically compatible anion,
Het is an optionally substituted heteroaromatic,
X1 is a direct bond or a carbonyl group,
each of R6 and R7 together with the nitrogen atom to which they are bonded form a saturated or unsaturated 5- or 6-membered ring or, independently of one another, are a (C1-C6)-alkyl group, a (C2-C6)-alkenyl group, an aryl group, an aryl-(C1-C6)-alkyl group, a (C2-C6)-hydroxyalkyl group, a (C2-C6)-polyhydroxyalkyl group or a group RIRIIN\u2014(CH2)m\u2014, wherein each of RI and RII is independently a hydrogen atom, a (C1-C6)-alkyl group, a (C1-C6)-alkenyl group or an aryl-C1-C6-alkyl group, wherein RI and RII, together with the nitrogen atom to which they are bonded form a 5-, 6- or 7-membered ring and m is a number 2, 3, 4, 5 or 6, and
R8 is a hydrogen atom, a (C1-C6)-alkyl group, a (C2-C6)-alkenyl group, an aryl group, an aryl-(C1-C6)-alkyl group, a (C2-C6)-hydroxyalkyl group, a (C2-C6)-polyhydroxyalkyl group or a group RIIIRIVN\u2014(CH2)n\u2014, in which RIII and RIV, independently of one another, are a hydrogen atom, a (C1-C6)-alkyl group, a (C1-C6)-alkenyl group or an aryl-C1-C6-alkyl group, where RIII and RIV, together with the nitrogen atom, can form a 5-, 6- or 7-membered ring and n is a number 2, 3, 4, 5 or 6;
and component (B) comprising at least one aldehyde of the formula (IV)
wherein
each of R1*, R2* and R3* is independently a hydrogen atom, a halogen atom, a C1-C6-alkyl group, a hydroxy group, a C1-C6-alkoxy group, a C1-C6-dialkylamino group, a di(C2-C6-hydroxyalkyl)amino group, a di(C1-C6-alkoxy-C1-C6-alkyl)amino group, a C1-C6-hydroxyalkyloxy group, a sulfonyl group, a carboxy group, a sulfonic acid group, a sulfonamido group, a sulfonamide group, carbamoyl group, a C2-C6-acyl group or a nitro group,
Z\u2032 is a direct bond or a vinylene group,
each of R4* and R5* is a hydrogen atom or together with the remainder of the molecule jointly form a 5- or 6-membered aromatic or aliphatic ring;
(2) rinsing the colored keratin-containing fibers from step (1) with a cosmetic composition having an acidic pH to form recolored fibers; (3) optionally, after a period of up to 4 weeks, recoloring the fibers from step (2) by rinsing with a cosmetic composition having an alkaline pH.
13. The method of claim 12 wherein when the cosmetic composition has an acidic pH the composition is not rinsed from the hair.
14. The method of claim 12 wherein when the cosmetic composition has an alkaline pH the composition is not rinsed from the hair.
15. The method of claim 12 wherein when the cosmetic composition has a pH of from 2 to 6.
16. The method of claim 15 wherein the cosmetic composition is free of coloring components.
17. The method of claim 12 wherein when the cosmetic composition has a pH of from 8 to 11.
18. The method of claim 17 wherein the cosmetic composition is free of coloring components.