Granted Patent B2

US 8,529,637 · App. 13/630,256 · Granted Sep 10, 2013

Abstract

Claims (40)

1. An oxidative hair colorant product comprising:

a. an oxidative hair colorant composition comprising:

i) from about 0.1 wt % to about 10 wt % by weight of the oxidative hair colorant composition of a free-base of 1,4-diamino-2-methoxymethyl benzene;

ii) an alkalizing agent;

iii) a solvent;

iv) an oxidizing agent;

v) a foaming agent; and

vi) a salt; and

b. a manually-actuable, non-aerosol dispenser;

wherein the oxidative hair colorant composition has a high shear viscosity of less than 200 mPa·s and a low shear (mixed) viscosity of between 10 mPa·s and 500 mPa·s.

2. The oxidative hair colorant product of claim 1 wherein the oxidative hair colorant composition further comprises from about 0.001 wt % to about 10 wt % by weight of the oxidative hair colorant composition of at least one oxidative dye precursor other than the free-base form of 1,4-diamino-2-methoxymethyl benzene.

3. The oxidative hair colorant product of claim 2 wherein the at least one oxidative dye precursor is selected from 1,3-Dihydroxybenzene, 1,3-Dihydroxy-2-methylbenzene, 1-Hydroxy-3-aminobenzene, N,N-bis(2-hydroxyethyl)-p-phenylenediamine, and 2-Methyl-5-Hydroxyethylaminophenol.

4. The oxidative hair colorant product of claim 1 wherein the oxidative hair colorant composition comprises from 0.1 to 30% by weight of a solvent.

5. The oxidative hair colorant product of claim 1 wherein the oxidative hair colorant composition comprises from about 0.1% to about 10% by weight of the alkalizing agent selected from alkanolamines, alkali-metal and ammonium hydroxides, alkali-metal and ammonium carbonates.

6. The oxidative hair colorant product of claim 1 wherein the oxidative hair colorant composition comprises from about 0.1% to about 40% by weight of an oxidizing agent and said oxidizing agent is selected from the group consisting of include hydrogen peroxide, inorganic alkali metal peroxides, urea peroxide, melamine peroxide, and alkali metal salts of perborates, percarbonates, perphosphates, persilicates, persulphates.

7. The oxidative hair colorant product of claim 1 wherein the oxidative hair colorant composition comprises from about 0.1 wt % to about 20 wt % by weight of a surfactant as the foaming agent.

8. The oxidative hair colorant product of claim 1 wherein the oxidative hair colorant composition comprises from about 4 to about 25% by weight of a polymeric foam stabilizer as the foaming agent.

9. The oxidative hair colorant product of claim 1 wherein the oxidative hair colorant composition comprises from about 0.1 wt % to about 10 wt % by weight of a surfactant and from about 4 to about 25% by weight of a polymeric foam stabilizer as the foaming agent.

10. The oxidative hair colorant composition of claim 8 wherein said foam stabilizing agent is a polymeric foam stabilizer selected from the group consisting of hydroxypropyl methylcellulose, methylcellulose, cecetyl hydroxyethylcellulose and mixtures thereof.

11. The oxidative hair colorant composition of claim 8 wherein said foam stabilizing agent is selected from the group consisting of:

(1) an Acrylates/Steareth-20 Methacrylate Copolymer;

(2) an Acrylates Copolymer; and

(3) mixtures thereof.

12. The oxidative hair colorant composition of claim 8 wherein said foam stabilizing agent is an acrylate/C 10-30 alkyl acrylate crosspolymer.

13. The oxidative hair colorant composition of claim 8 wherein said foam stabilizing agent is selected as a polymer comprising vinyl pyrrolidone (VP), dimethylaminopropyl methacrylamide (DMAPA) and methacryoylaminopropyl lauryldimonium chloride (MAPLAC).

14. The oxidative hair colorant composition of claim 8 wherein said foam stabilizing agent is a polyethyleneoxide-polypropyleneoxide-polyethyleneoxide block polymer terminating in primary hydroxyl groups.

15. The oxidative hair colorant composition of claim 8 wherein said foam stabilizing agent is selected from the group consisting of polysaccharides, cellulosic materials, amine-bearing polymers, acidic polymers obtainable from natural sources, chemically modified starches, carboxyvinyl polymers, polyvinylpyrrolidone, polyvinyl alcohol, polyacrylic acid polymers, polymethacrylic acid polymers, polysiloxanes and mixtures thereof.

16. The oxidative hair colorant product of claim 1 wherein the oxidative hair colorant composition further comprises at least one direct dye.

17. An oxidative hair colorant composition comprising:

i) from about 0.1 wt % to about 10 wt % by weight of the oxidative hair colorant composition of a free-base of 1,4-diamino-2-methoxymethyl benzene;

ii) an alkalizing agent;

iii) a solvent;

iv) an oxidizing agent;

v) a foaming agent; and

vi) a salt;

wherein the oxidative hair colorant composition comprises a low shear (mixed) viscosity from about 50 mPa s to about 500 mPa·s; and a high shear viscosity of the oxidative hair colorant composition is less than 200 mPa·s.

18. A kit comprising components to form an oxidative hair colorant composition, the kit comprising:

a tint composition component comprising a solvent, a free-base of 1,4-diamino-2-methoxymethyl benzene and at least one other dye precursor, a salt and an alkalizing agent;

a developer composition component comprising an oxidizing agent; and

a manually-actuable, non-aerosol dispenser.

Assignments (7)