1. A method of weighing a person, the method comprising:
placing the person’s left foot on a first scale;
placing the person’s right foot on a second scale;
measuring a weight of the first scale’s load; and
measuring a weight of the second scale’s load.
2. The method of claim 1, wherein the first and second scale are arranged on a common base.
3. The method of claim 1, wherein each of said first and second scales has a weight indicator.
4. The method of claim 3, wherein the weight indicator is digital.
5. The method of claim 1, further comprising:
comparing the weight of the first scale’s load to the weight of the second scale’s load.
6. The method of claim 1, further comprising:
determining the person’s weight based on the weight of the first scale’s load and the weight of the second scale’s load.
7. The method of claim 6, wherein said determining comprises summing the weight of the first scale’s load and the weight of the second scale’s load.
8. The method of claim 1, further comprising announcing with an audible indicator the weight of the first scale’s load and the weight of the second scale’s load.
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 composition for the oxidation dyeing of keratin fibers comprising, in a medium suitable for dyeing:
a) at least one oxidation dye,
b) at least one cationic associative polymer comprising at least one fatty chain and chosen from:
(i) quaternized celluloses modified with groups comprising at least one fatty chain,
(ii) quaternized hydroxyethylcelluloses modified with groups comprising at least one fatty chain, and
(iii) cationic polyurethanes; and
c) at least one aminosilicone,
wherein the weight ratio of the at least one aminosilicone to the at least one associative polymer is greater than or equal to 1.
2. The composition according to claim 1, wherein the keratin fibers are human keratin fibers.
3. The composition according to claim 2, wherein the human keratin fibers are hair.
4. The composition according to claim 1, wherein the at least one aminosilicone is chosen from aminosilicones of formula (I), (II) and (III) below:
wherein in formula (I):
m and n are numbers such that the sum (n+m) may vary from 1 to 1,000, it being possible for n to be a number from 0 to 999 and for m to be a number from 1 to 1,000; and
R1, R2 and R3, which are identical or different, are chosen from a hydroxyl radical and from C1-C4 alkoxy radicals, wherein at least one of the radicals R1 to R3 is an alkoxy radical;
wherein in formula (II):
p and q are numbers such that the sum (p+q) may vary from 1 to 1,000, it being possible for p to be a number from 0 to 999 and for q to be a number from 1 to 1,000;
R1 and R2, which are different, are chosen from a hydroxyl radical and from C1-C4 alkoxy radicals, wherein at least one of the radicals, R1 or R2, is an alkoxy radical;
wherein in formula (III):
A is a linear or branched C4-C8 alkylene radical,
m and n are numbers such that the sum (n+m) may vary from 1 to 2,000, it being possible for n to be a number ranging from 0 to 1999 and for m to be a number ranging from 1 to 2,000.
5. The composition according to claim 4, wherein in formula (I) the sum (n+m) ranges from from 50 to 250, it being possible for n to be a number from 49 to 249, and m to be a number ranging from 1 to 10;
wherein in formula (II) the sum (p+q) may vary from 50 to 350, it being possible for p to be a number from 49 to 349, and q to be a number from 1 to 10; and
wherein in formula (III) the sum (n+m) may vary from 50 to 150, it being possible for n to be a number from 49 to 149, and m to be a number from 1 to 10.
6. The composition according to claim 4, wherein in formula (I) the sum (n+m) ranges from from 100 to 200, it being possible for n to be a number from 125 to 175, and m to be a number ranging from 1 to 5; and
wherein in formula (II) the sum (p+q) may vary from 150 to 250, it being possible for p to be a number from 159 to 239, and q to be a number from 1 to 5.
7. The composition according to claim 4, wherein the C1-C4 alkoxy radical of formulae (I) and (IIl) is a methoxy radical.
8. The composition according to claim 4, wherein for the at least one aminosilicone of formula (I), the hydroxylalkoxy molar ratio ranges from 0.2:1 to 0.4:1.
9. The composition according to claim 8, wherein for the at least one aminosilicone of formula (I), the hydroxylalkoxy molar ratio ranges from 0.25:1 to 0.35:1.
10. The composition according to claim 9, wherein for the at least one aminosilicone of formula (I), the hydroxylalkoxy molar ratio is 0.3:1.
11. The composition according to claim 4, wherein for the at least one aminosilicone of formula (II), the hydroxylalkoxy molar ratio ranges from 1:0.8 to 1:1.1.
12. The composition according to claim 11, wherein for the at least one aminosilicone of formula (II), the hydroxylalkoxy molar ratio ranges from 1:0.9 to 1:1.
13. The composition according to claim 12, wherein for the at least one aminosilicone of formula (II), the hydroxylalkoxy molar ratio is 1:0.95.
14. The composition according to claim 4, wherein the at least one aminosilicone of formula (I) has a weight-average molecular mass ranging from 2,000 to 1,000,000.
15. The composition according to claim 14, wherein the at least one aminosilicone of formula (I) has a weight-average molecular mass ranging from 3,500 to 200,000.
16. The composition according to claim 4, wherein the at least one aminosilicone of formula (II) has a weight-average molecular mass ranging from 2,000 to 200,000.
17. The composition according to claim 16, wherein the at least one aminosilicone of formula (II) has a weight-average molecular mass ranging from 5,000 to 100,000.
18. The composition according to claim 17, wherein the at least one aminosilicone of formula (II) has a weight-average molecular mass ranging from 10,000 to 50,000.
19. The composition according to claim 4, wherein in the formula (III), A is a linear or branched C4 alkylene radical.
20. The composition according to claim 4, wherein the viscosity of the at least one aminosilicone of formula (III) is greater than 25 000 mm2s at 25\xb0 C.
21. The composition according to claim 20, wherein the viscosity of the at least one aminosilicone of formula (III) ranges from 30,000 to 200,000 mm2s at 25\xb0 C.
22. The composition according to claim 21, wherein the viscosity of the at least one aminosilicone of formula (III) ranges from 30,000 to 150,000 mm2s at 25\xb0 C.
23. The composition according to claim 1, wherein the at least one aminosilicone is present in the composition in an amount ranging from 0.1% to 10% by weight relative to the total weight of the composition.
24. The composition according to claim 23, wherein the at least one aminosilicone is present in the composition in an amount ranging from 0.5% to 5% by weight relative to the total weight of the composition.
25. The composition according to claim 1, wherein an alkyl group of the quaternized celluloses or hydroxyethylcelluloses contains from 8 to 30 carbon atoms.
26. The composition according to claim 1, wherein the quaternized hydroxyethylcellulose is modified with a C12 or C18 alkyl group resulting in a cationic amphiphilic polymer.
27. The composition according to claim 1, wherein the cationic polyurethane is a polymer of formula (IA) below:
R\u2014X\u2014(P)n-(L-(Y)m)rL\u2032-(P\u2032)p\u2014X\u2032\u2014R\u2032\u2003\u2003(IA)
wherein:
R and R\u2032, which may be identical or different, are chosen from a hydrophobic group and a hydrogen atom;
X and X\u2032, which may be identical or different, are chosen from a group comprising an amine function optionally bearing a hydrophobic group, and alternatively the group L\u2032;
L, L\u2032 and L\u2033, which may be identical or different, are each a group derived from a diisocyanate;
P and P\u2032, which may be identical or different, are each a group comprising an amine function optionally bearing a hydrophobic group;
Y is a hydrophilic group;
r is an integer ranging from 1 to 100, and
n, m and p each are, independently of each other, a number ranging from 0 to 1000;
wherein the molecule contains at least one protonated or quaternized amine function and at least one hydrophobic group.
28. The composition according to claim 27, wherein r is an integer ranging from 1 to 50.
29. The composition according to claim 28, wherein r is an integer ranging from 1 to 25.
30. The composition according to claim 1, wherein the at least one associative polymer is present in the composition in an amount ranging from 0.05% to 10% by weight relative to the total weight of the composition.
31. The composition according to claim 30, wherein the at least one associative polymer is present in the composition in an amount ranging from 0.1% and 5% by weight relative to the total weight of the composition.
32. The composition according to claim 1, wherein the ratio by weight of the at least one aminosilicone to the at least one associative polymer ranges from 1 to 10.
33. The composition according to claim 1, wherein the at least one oxidation dye is chosen from oxidation bases and couplers.
34. The composition according to claim 33, further comprising at least one oxidation base.
35. The composition according to claim 33, wherein the oxidation bases are chosen from ortho- and para-phenylenediamines, double bases, ortho- and para-aminophenols, heterocyclic bases, and also the acid addition salts of these compounds.
36. The composition according to claim 35, wherein the para-phenylenediamines are chosen from the compounds of formula (XI) below:
wherein:
R1 is chosen from a hydrogen atom, a C1-C4 alkyl radical, a C1-C4 monohydroxyalkyl radical, a C2-C4 polyhydroxyalkyl radical, a (C1-C4)alkoxy(C1-C4)alkyl radical, and a C1-C4 alkyl radical substituted with a nitrogenous, phenyl or 4\u2032-aminophenyl group;
R2 is chosen from a hydrogen atom, a C1-C4 alkyl radical, a C1-C4 monohydroxyalkyl radical, a C2-C4 polyhydroxyalkyl radical, a (C1-C4)alkoxy(C1-C4)alkyl radical, and a C1-C4 alkyl radical substituted with a nitrogenous group;
R1 and R2 may also form, with the nitrogen atom that bears them, a 5- or 6-membered nitrogen heterocycle optionally substituted with at least one group chosen from alkyl, hydroxyl and ureido groups;
R3 is chosen from a hydrogen atom, a halogen atom, a C1-C4 alkyl radical, a sulpho radical, a carboxyl radical, a C1-C4 monohydroxyalkyl radical, a C1-C4 hydroxyalkoxy radical, an acetylamino(C1-C4)alkoxy radical, a mesylamino(C1-C4)alkoxy radical, and a carbamoylamino(C1-C4)alkoxy radical, and
R4 is chosen from a hydrogen atom, a halogen atom, and a C1-C4 alkyl radical.
37. The composition according to claim 35, wherein the double bases are chosen from the compounds of structure (XII) below:
wherein:
Z1 and Z2, which may be identical or different, are chosen from a hydroxyl radical, and a \u2014NH2 radical which may be substituted with at least one entity chosen from a C1-C4 alkyl radical and a linker arm Y;
the linker arm Y is a linear or branched alkylene chain containing from 1 to 14 carbon atoms, which may be interrupted by or terminated with at least one nitrogenous group andor at least one heteroatom, and optionally substituted with at least one hydroxyl or C1-C6 alkoxy radicals;
R5 and R6, which may be identical or different, are chosen from a hydrogen atom, a halogen atom, C1-C4 alkyl radicals, C1-C4 monohydroxyalkyl radicals, C2-C4 polyhydroxyalkyl radicals, C1-C4 aminoalkyl radicals, and a linker arm Y; and
R7, R8, R9, R10, R11 and R12, which may be identical or different, are chosen from a hydrogen atom, a linker arm Y, and C1-C4 alkyl radicals;
with the proviso that the compounds of formula (XII) contain only one linker arm Y per molecule.
38. The composition according to claim 35, wherein the para-aminophenols are chosen from the compounds of structure (XIII) below:
wherein:
R13 is chosen from a hydrogen atom, a halogen atom, a C1-C4 alkyl, C1-C4 monohydroxyalkyl, (C1-C4)alkoxy(C1-C4)alkyl, C1-C4 aminoalkyl, and a hydroxy(C1-C4)alkylamino(C1-C4)alkyl radical,
R14 is chosen from a hydrogen atom, a halogen atom, a C1-C4 alkyl, C1-C4 monohydroxyalkyl, C2-C4 polyhydroxyalkyl, C1-C4 aminoalkyl, C1-C4 cyanoalkyl, and a (C1-C4)alkoxy(C1-C4)alkyl radical, and
R15 is chosen from a hydrogen atom and a C1-C4 alkyl radical.
39. The composition according to claim 35, wherein the heterocyclic bases are chosen from pyridine derivatives, pyrimidine derivatives, and pyrazole derivatives.
40. The composition according to claim 33, wherein the oxidation bases are present in the composition in an amount ranging from 0.0005% to 12% by weight relative to the total weight of the composition.
41. The composition according to claim 40, wherein the oxidation bases are present in the composition in an amount ranging from 0.005% to 8% by weight relative to the total weight of the composition.
42. The composition according to claim 33, wherein the couplers are chosen from meta-phenylenediamines, meta-aminophenols, meta-diphenols, heterocyclic couplers, and the acid addition salts thereof.
43. The composition according to claim 33, wherein the couplers are present in the composition in an amount ranging from 0.0001% to 10% by weight relative to the total weight of the composition.
44. The composition according to claim 43, wherein the couplers are present in the composition in an amount ranging from 0.005% to 5% by weight relative to the total weight of the composition.
45. The composition according to claim 35, wherein the acid addition salts of the oxidation bases are chosen from hydrochlorides, hydrobromides, sulphates, tartrates, lactates and acetates.
46. The composition according to claim 42, wherein the acid addition salts of the couplers are chosen from hydrochlorides, hydrobromides, sulphates, tartrates, lactates and acetates.
47. The composition according to claim 1, further comprising at least one direct dye.
48. The composition according to claim 1, further comprising at least one amphoteric or cationic substantive non-silicon based polymer different from the claimed at least one associative polymer.
49. The composition according to claim 48, wherein the at least one substantive polymer is the homopolymer of dimethyldiallylammonium chloride.
50. The composition according to claim 48, wherein the at least one substantive polymer is a polymer of quaternary polyammonium comprising repeating units corresponding to formula (W) below:
51. The composition according to claim 48, wherein the at least one substantive polymer is a polymer of quaternary polyammonium comprising repeating units corresponding to formula (U) below:
52. The composition according to claim 48, wherein the at least one cationic or amphoteric substantive polymer is present in the composition in an amount ranging from 0.01% to 10% by weight of the total weight of the composition.
53. The composition according to claim 52, wherein the at least one cationic or amphoteric substantive polymer is present in the composition in an amount ranging from 0.05% to 5% by weight of the total weight of the composition.
54. The composition according to claim 53, wherein the at least one cationic or amphoteric substantive polymer is present in the composition in an amount ranging from 0.1% to 3% by weight of the total weight of the composition.
55. The composition according to claim 1, further comprising at least one surfactant chosen from anionic, amphoteric, non-ionic, zwitterionic, and cationic su rfactants.
56. The composition according to claim 55, wherein the at least one surfactant is non-ionic.
57. The composition according to claim 55, wherein the at least one surfactant is present in the composition in an amount ranging from 0.01% to 40% by weight relative to the total weight of the composition.
58. The composition according to claim 57, wherein the at least one surfactant is present in the composition in an amount ranging from 0.5% to 30% by weight relative to the total weight of the composition.
59. The composition according to claim 1, further comprising at least one thickener.
60. The composition according to claim 59, wherein the at least one thickener is chosen from a cellulosic thickener, a guar gum derivative, a gum of microbial origin, and a synthetic thickener.
61. The composition according to claim 59, wherein the at least one thickener is present in the composition in an amount ranging from 0.01% to 10% by weight relative to the total weight of the composition.
62. The composition according to claim 1, further comprising at least one reducing agent present in the composition in an amount ranging from 0.05% to 1.5% by weight relative to the total weight of the composition.
63. A ready-to-use composition comprising
a) at least one oxidation dye,
b) at least one cationic associative polymer comprising at least one fatty chain and chosen from:
(i) quaternized celluloses modified with groups comprising at least one fatty chain,
(ii) quaternized hydroxyethylcelluloses modified with groups comprising at least one fatty chain, and
(iii) cationic polyurethanes;
c) at least one aminosilicone,
wherein the at least one aminosiliconeat least one associative polymer weight ratio is greater than or equal to 1, and
d) at least one oxidizing agent.
64. The composition according to claim 63, wherein the at least one oxidizing agent is chosen from hydrogen peroxide, urea peroxide, alkali metal bromates, ferricyanides, persalts, and redox enzymes together where appropriate with the respective donor or co-factor thereof.
65. The composition according to claim 63, wherein the at least one oxidizing agent is hydrogen peroxide.
66. The composition according to claim 65, wherein the at least one oxidizing agent is an aqueous hydrogen peroxide solution whose titre ranges from 1 to 40 volumes.
67. The composition according to claim 66, wherein the composition has a pH ranging from 4 to 11.
68. A process for the oxidation dyeing of keratin fibers comprising:
(i) applying to the keratin fibers at least one composition (A) comprising, in a medium suitable for dyeing,
a) at least one oxidation dye,
b) at least one cationic associative polymer comprising at least one fatty chain and chosen from:
(i) quaternized celluloses modified with groups comprising at least one fatty chain,
(ii) quaternized hydroxyethylcelluloses modified with groups comprising at least one fatty chain, and
(iii) cationic polyurethanes; and
c) at least one aminosilicone,
wherein the weight ratio of the at least one aminosilicone to the at least one associative polymer is greater than or equal to 1;
(ii) applying to the keratin fibers at least one composition (B) comprising at least one oxidizing agent.
69. The process according to claim 68, wherein the keratin fibers are hair.
70. The process according to claim 68, comprising mixing, at the time of use, the at least one composition (A) and the at least one composition (B).
71. The process according to claim 68, wherein the at least one composition (B) is applied sequentially before or after the at least one composition (A), with or without intermediate rinsing.
72. The process according to claim 68, wherein the color of the fibers is developed at an alkaline, neutral or acidic pH.
73. A multicompartment kit comprising:
(i) a first compartment comprising at least one composition (A) comprising, in a medium suitable for dyeing,
a) at least one oxidation dye,
b) at least one cationic associative polymer comprising at least one fatty chain and chosen from:
(i) quaternized celluloses modified with groups comprising at least one fatty chain,
(ii) quaternized hydroxyethylcelluloses modified with groups comprising at least one fatty chain, and
(iii) cationic polyurethanes; and
c) at least one aminosilicone,
wherein the weight ratio of the at least one aminosilicone to the at least one associative polymer is greater than or equal to 1;
(ii) a second compartment comprising at least one composition (B) comprising at least one oxidizing agent.
74. The composition according to claim 1, wherein the ratio by weight of the at least one aminosilicone to the at least one associative polymer ranges from 1 to 5.