Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
243 words
A composition of the developer-coupler type for the dyeing of hair, consisting essentially of, I. as developer, at least one tetraaminopyrimidine selected from the group consisting of (A) at least one tetraaminopyrimidine of the formula ##STR3## in which R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are each selected from the group consisting of hydrogen, phenyl, alkyl having 1 to 4 carbon atoms, phenylalkyl having 7 to 10 carbon atoms, phenylalkenyl having 7 to 10 carbon atoms, X(CH.sub.2)n-- wherein n is an integer from 1 to 4, and X is selected from the group consisting of hydroxyl, halogen and NR 7 R 8 --in which R 7 and R 8 are each hydrogen or alkyl having 1 to 4 carbon atoms, and together with the nitrogen atom R 7 and R 8 form a member selected from the group consisting of a 5 to 6 membered heterocyclic ring optionally containing an additional nitrogen atom or oxygen atom, and wherein R 1 and R 2 , or R 2 and R 4 , or R 5 and R 6 , together with the nitrogen atom form a five to six membered heterocyclic ring optionally containing another nitrogen or oxygen atom in the ring, and, (B) at least one water-soluble acid addition salt of (A), and, II. as coupler, 2,4-diaminophenol, said developer and said coupler being present in the molar range of about 2:1 to 1:2.
Claim 2
Dependent Claim
243 words
A composition of the developer-coupler type for the dyeing of hair, consisting essentially of, I. as developer, at least one tetraaminopyrimidine selected from the group consisting of (A) at least one tetraaminopyrimidine of the formula ##STR3## in which R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are each selected from the group consisting of hydrogen, phenyl, alkyl having 1 to 4 carbon atoms, phenylalkyl having 7 to 10 carbon atoms, phenylalkenyl having 7 to 10 carbon atoms, X(CH.sub.2)n-- wherein n is an integer from 1 to 4, and X is selected from the group consisting of hydroxyl, halogen and NR 7 R 8 --in which R 7 and R 8 are each hydrogen or alkyl having 1 to 4 carbon atoms, and together with the nitrogen atom R 7 and R 8 form a member selected from the group consisting of a 5 to 6 membered heterocyclic ring optionally containing an additional nitrogen atom or oxygen atom, and wherein R 1 and R 2 , or R 2 and R 4 , or R 5 and R 6 , together with the nitrogen atom form a five to six membered heterocyclic ring optionally containing another nitrogen or oxygen atom in the ring, and, (B) at least one water-soluble acid addition salt of (A), and, II. as coupler, 2,4-diaminophenol, said developer and said coupler being present in the molar range of about 2:1 to 1:2.
Claim 3
Dependent Claim
14 words
The composition of claim 1, wherein the developer is a mixture of the tetraaminopyrimidines.
Claim 4
Dependent Claim
21 words
The composition of claim 1 which additionally contains conventional additives selected from the group consisting of conventional developers, and conventional couplers.
Claim 5
Dependent Claim
130 words
The composition of claim 1 wherein in the developer R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are each selected from the group consisting of hydrogen, methyl, ethyl, isopropyl, n-propyl, butyl, phenyl, benzyl, benzylidene, and --(CH 2 ) n --X, and wherein R 1 and R 2 , or R 3 and R 4 , or R 5 and R 6 , together with the nitrogen atom form a substituent selected from the group consisting of piperidino and morpholino; and wherein n is 1, 2 or 3 and X is selected from the group consisting of hydroxyl, halogen and --NR 7 R 8 in which R 7 and R 8 are each hydrogen or alkyl having 1 to 4 carbon atoms.
Claim 6
Dependent Claim
17 words
The composition of claim 1, wherein the developer is 2,4,5,6-tetraaminopyrimidine or a water-soluble acid addition salt thereof.
Claim 7
Dependent Claim
49 words
An aqueous preparation of the developer-coupler type for the dyeing of hair, consisting essentially of 0.2% to 5% by weight of the developer-coupler combination of claim 1; from 0% to 30% by weight of a surfactant; from 0% to 25% by weight of a thickener; and the remainder water.
Claim 8
Dependent Claim
16 words
The preparation of claim 6 which contains 1% to 3% by weight of the developer-coupler combination.
Claim 9
Dependent Claim
46 words
A process for the dyeing of hair comprising applying to said hair, at temperatures ranging substantially from 15° C. to 40° C. for a time sufficient to effect dyeing through oxidation, an effective amount of the developer-coupler composition according to claim 1 in an aqueous medium.
Claim 10
Dependent Claim
23 words
The process for the dyeing of hair of claim 8 wherein the oxidation is effected by the action of a chemical oxidizing agent.