US4985955A — Process for dyeing keratinous fibres with coupler…

Claim 1

Independent Claim 178 words

A process for dyeing keratinous fibers comprising applying to said fibers at least one composition (A) comprising, in a medium suitable for dyeing said fibers, an oxidation dye, wherein said oxidation dye consists of, at least one coupler selected from the group consisting of a phenol, a metadiphenol, a meta-aminophenol, a meta-phenylenediamine, a monohydroxylated derivative of naphthalene, a polyhydroxylated derivative of naphthalene, a monohydroxylated derivative of aminonaphthalene, a polyhydroxylated derivative of aminonaphthalene, a pyrazolone and benzomorpholine, said coupler being present in an amount ranging from 0.01 to 10 percent by weight based on the total weight of said composition (A), in combination with iodide ions present in an amount ranging from 0.007 to 4 percent by weight, expressed as I - ions, relative to the total weight of said composition (A), and applying to said fibers composition (B) comprising, in a medium suitable for dyeing said fibers, hydrogen peroxide having a pH ranging from 2 to 12, the application of said composition (A) to said fibers preceding or following the application of said composition (B) to said fibers.

Claim 2

Dependent Claim 178 words

A process for dyeing keratinous fibers comprising applying to said fibers at least one composition (A) comprising, in a medium suitable for dyeing said fibers, an oxidation dye, wherein said oxidation dye consists of, at least one coupler selected from the group consisting of a phenol, a metadiphenol, a meta-aminophenol, a meta-phenylenediamine, a monohydroxylated derivative of naphthalene, a polyhydroxylated derivative of naphthalene, a monohydroxylated derivative of aminonaphthalene, a polyhydroxylated derivative of aminonaphthalene, a pyrazolone and benzomorpholine, said coupler being present in an amount ranging from 0.01 to 10 percent by weight based on the total weight of said composition (A), in combination with iodide ions present in an amount ranging from 0.007 to 4 percent by weight, expressed as I - ions, relative to the total weight of said composition (A), and applying to said fibers composition (B) comprising, in a medium suitable for dyeing said fibers, hydrogen peroxide having a pH ranging from 2 to 12, the application of said composition (A) to said fibers preceding or following the application of said composition (B) to said fibers.

Claim 3

Dependent Claim 17 words

The process of claim 1 wherein said composition (B) has a pH ranging from 2 to 7.

Claim 4

Dependent Claim 24 words

The process of claim 1 wherein said iodide ions are derived from an alkali metal iodide, an alkaline earth metal iodide or ammonium iodide.

Claim 5

Dependent Claim 70 words

The process of claim 1 wherein said composition (A) containing iodides in the form of alkali metal iodides, alkaline earth metal iodides or ammonium iodides and said oxidation dye in a medium suitable for dyeing said fibers is applied to said fibers in a first stage and said composition (B) containing hydrogen peroxide in a medium suitable for dyeing said fibers is applied to said fibers in a second stage.

Claim 6

Dependent Claim 20 words

The process of claim 1 wherein said composition (B) comprises an aqueous solution of 1 to 40 volumes hydrogen peroxide.

Claim 7

Dependent Claim 20 words

The process of claim 1 wherein said composition (B) comprises an aqueous solution of 2 to 20 volumes hydrogen peroxide.

Claim 8

Dependent Claim 38 words

The process of claim 1 wherein each of said compositions (A) and (B) is applied to said fibers and is permitted to remain in contact therewith for a period of time ranging from 10 seconds to 45 minutes.

Claim 9

Dependent Claim 38 words

The process of claim 1 wherein each of said composition (A) and (B) is applied to said fibers and is permitted to remain in contact therewith for a period of time ranging from 2 minutes to 10 minutes.

Claim 10

Dependent Claim 104 words

The process of claim 1 wherein said coupler has the formula ##STR2## wherein R 1 represents OH or an amino group unsubstituted or substituted with at least one C 1 -C 6 hydroxyalkyl group, R 3 and R 5 , each independently, represent hydrogen, hydroxy or amino unsubstituted or substituted by C 1 -C 6 lower alkyl or C 1 -C 6 hydroxy lower alkyl, and R 2 , R 4 and R 6 represent hydrogen, C 1 -C 6 lower alkoxy, C 1 -C 6 lower alkyl or C 1 -C 6 lower hydroxyalkoxy, or R 3 and R 4 together form methylenedioxy.

Claim 11

Dependent Claim 41 words

The process of claim 1 wherein said coupler is selected from the group consisting of 2-methoxy-5-aminophenol, 2-methoxy-5-[N-(2-hydroxyethyl]-aminophenol, 1,3-diamino-2,6-dimethoxybenzene, 2-methoxy-1-(N-methylamino)-4-(2-hydroxyethyloxy)-3-aminobenzene, 1,3-diamino-4,6-dimethoxybenzene, 1,3-diamino-6-methoxybenzene, 4,6-dimethoxy-1,3-bis[N-(2-hydroxyethyl)amino]benzene, 2,6-dimethoxy-3-[N-(2-hydroxyethyl)amino]-1-aminobenzene, 2,4-dimethoxy-3-[N-(2-hydroxyethyl)amino]-1-aminobenzene, 2-methyl-5-[N-(2-hydroxyethyl)amino]-phenol, 4-methoxy-1,3-bis[N-2-hydroxyethyl)amino]benzene, 3-amino-4-methoxyphenol, 3,4-methylenedioxy-1-aminobenzene, 2,6-dimethyl-3-[N-(2-hydroxyethyl)amino]phenol, 2,6-dimethyl-3-aminophenol, 4-ethoxy-1-amino-3-[N,N-bis(2-hydroxyethyl)amino]benzene, (2,4-diaminophenoxy)ethanol, [(2-amino-4-N-methylamino)phenoxy]ethanol, 1-methoxy-2-[N-(2-hydroxyethyl)amino]-4-aminobenzene, 3,4-methylenedioxy-6-methoxyphenol, 3-amino-6-methylphenol, 3,4-methylenedioxy-6-methoxyamino benzene, 3-aminophenol and 1,3-dihydroxybenzene.

Claim 12

Dependent Claim 22 words

The process of claim 1 wherein said coupler is selected from the group consisting of 6-aminobenzomorpholine, 1-amino-7-naphthol, 6-hydroxybenzomorpholine, 1-naphthol, 1,3-dihydroxynaphthalene and 1,2-dihydroxybenzene.

Claim 13

Dependent Claim 44 words

The process of claim 1 wherein said medium suitable for dyeing said fibers in said composition (A) is an aqueous medium consisting of water or a mixture of water and a solvent, and said composition (A) has a pH ranging from 2 to 7.

Claim 14

Dependent Claim 17 words

The process of claim 12 wherein said composition (A) has a pH ranging from 3.5 to 7.

Claim 15

Dependent Claim 46 words

The process of claim 12 wherein said solvent is ethyl alcohol, propyl alcohol, isopropyl alcohol, tert. butyl alcohol, ethylene glycol, ethyleneglycol monomethyl ether, ethyleneglycol monoethyl ether, ethyleneglycol monobutyl ether, ethyleneglycol monoethyl ether acetate, propylene glycol, propylene glycol monomethyl ether, dipropylene glycol monomethyl ether or methyl lactate.

Claim 16

Dependent Claim 24 words

The process of claim 1 wherein said composition (A) is a solution wherein said medium suitable for dyeing said fibers is an anhydrous solvent.

Claim 17

Dependent Claim 42 words

The process of claim 15 wherein said anhydrous solvent is ethyl alcohol, propyl alcohol, isopropyl alcohol, tert.butyl alcohol, ethyleneglycol, ethyleneglycol monomethyl ether, ethyleneglycol monoethyl ether, ethyleneglycol monobutyl ether, ethyleneglycol monoethyl ether acetate, propyleneglycol, propyleneglycol monoethyl ether, dipropyleneglycol monomethyl ether or methyl lactate.

Claim 18

Dependent Claim 128 words

The process of claim 1 wherein one or both of said compositions (A) and (B) also includes as an adjuvant at least one of a fatty amide present in an amount ranging from 0.05 to 10 weight percent; an anionic, cationic, nonionic or amphoteric surfactant, or a mixture thereof, present in an amount ranging from 0.1 to 50 weight percent; a thickening agent selected from the group consisting of sodium alginate, gum arabic, guar gum, xanthan gum, scleroglucan, methyl cellulose, hydroxyethylcellulose, hydroxypropylmethylcellulose, carboxymethylcellulose sodium salt, acrylic acid polymer and bentonite, said thickening agent being present in an amount ranging from 0.1 to 5 weight percent; a perfume; a sequestering agent; a film-forming agent; a treatment agent; a dispersant; a preservative; an opacifier; and a keratinous fiber swelling agent.

Claim 19

Dependent Claim 119 words

A keratinous fiber dyeing composition comprising in a medium suitable for dyeing said fiber, an oxidation dye wherein said oxidation dye consists of at least one coupler selected from the group consisting of a phenol, a metadiphenol, a meta-aminophenol, a meta-phenylenediamine, a monohydroxylated derivative of naphthalene, a polyhydroxylated derivative of naphthalene, a monohydroxylated derivative of aminonaphthalene, a polyhydroxylated derivative of aminonaphthalene, a pyrazolone and a benzomorpholine, said coupler being present in an amount ranging from 0.01 to 10 percent by weight based on the total weight of said composition, in combination with iodide ions present in an amount ranging from 0.007 to 4 percent by weight, expressed as I - ions, relative to the total weight of said composition.

Claim 20

Dependent Claim 119 words

A keratinous fiber dyeing composition comprising in a medium suitable for dyeing said fiber, an oxidation dye wherein said oxidation dye consists of at least one coupler selected from the group consisting of a phenol, a metadiphenol, a meta-aminophenol, a meta-phenylenediamine, a monohydroxylated derivative of naphthalene, a polyhydroxylated derivative of naphthalene, a monohydroxylated derivative of aminonaphthalene, a polyhydroxylated derivative of aminonaphthalene, a pyrazolone and a benzomorpholine, said coupler being present in an amount ranging from 0.01 to 10 percent by weight based on the total weight of said composition, in combination with iodide ions present in an amount ranging from 0.007 to 4 percent by weight, expressed as I - ions, relative to the total weight of said composition.

Claim 21

Dependent Claim 31 words

The dyeing composition of claim 18 wherein said oxidation dye is present in an amount ranging from 0.25 to 5 percent by weight based on the total weight of said composition.

Claim 22

Dependent Claim 23 words

The dyeing composition of claim 18 wherein the weight ratio of said oxidation dye to said iodide ions ranges from 0.05 to 10.

Claim 23

Dependent Claim 23 words

The dyeing composition of claim 18 wherein the weight ratio of said oxidation dye to said iodide ions ranges from 0.5 to 2.

Claim 24

Dependent Claim 152 words

A kit for dyeing keratinous fibres comprising a first compartment containing a composition (A) comprising, in a medium suitable for dyeing said fibers, an oxidation dye, wherein said oxidation dye consists of at least one coupler selected from the group consisting of a phenol, a metadiphenol, a meta-aminophenol, a meta-phenylenediamine, a monohydroxylated derivative of naphthalene, a polyhydroxylated derivative of naphthalene, a monohydroxylated derivative of aminonaphthalene, a polyhydroxylated derivative of aminonaphthalene, a pyrazolone and a benzomorpholine, said coupler being present in an amount ranging from 0.01 to 10 percent by weight based on the total weight of said composition (A), in combination with iodide ions present in an amount ranging from 0.007 to 4 percent by weight, expressed as I - ions, relative to the total weight of said compositions (A), a second compartment containing an aqueous composition of 1 to 40 volume hydrogen peroxide at a pH ranging from 2 to 12.

Claim 25

Dependent Claim 152 words

A kit for dyeing keratinous fibres comprising a first compartment containing a composition (A) comprising, in a medium suitable for dyeing said fibers, an oxidation dye, wherein said oxidation dye consists of at least one coupler selected from the group consisting of a phenol, a metadiphenol, a meta-aminophenol, a meta-phenylenediamine, a monohydroxylated derivative of naphthalene, a polyhydroxylated derivative of naphthalene, a monohydroxylated derivative of aminonaphthalene, a polyhydroxylated derivative of aminonaphthalene, a pyrazolone and a benzomorpholine, said coupler being present in an amount ranging from 0.01 to 10 percent by weight based on the total weight of said composition (A), in combination with iodide ions present in an amount ranging from 0.007 to 4 percent by weight, expressed as I - ions, relative to the total weight of said compositions (A), a second compartment containing an aqueous composition of 1 to 40 volume hydrogen peroxide at a pH ranging from 2 to 12.

Claim 26

Dependent Claim 24 words

The kit of claim 22 where in said second compartment said aqueous composition of hydrogen peroxide has a pH ranging from 2 to 7.

Claim 27

Dependent Claim 34 words

The kit of claim 22 further comprising a third compartment containing an aqueous medium suitable for dyeing said fibers for admixture with said composition (A) of said first compartment at the time of use.

Claim 28

Dependent Claim 23 words

The kit of claim 22 wherein said composition (A) is a solution wherein said medium for dyeing said fibers is an anhydrous medium.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1994-01-21	1994-07-23	1995-01-22	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1998-01-21	1998-07-23	1999-01-22	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2002-01-21	2002-07-23	2003-01-22	$7700.00	Window Closed / Lapsed

Process for dyeing keratinous fibres with couplers and/or "rapid" oxidation dyes combined with an iodide and dyeing composition employed

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