Volumizing hair care compositions

Details Volumizing hair care compositions Volumizing hair care compositions

1999-09-27

2001-09-25

Page, Thurman K. (Department: 1615)

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

Polymer containing

C424S070100, C424S070110, C510S119000, C510S122000, C528S039000, C556S445000

Reexamination Certificate

active

06294159

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to an improved formulation for treating hair. In particular, the compositions of this invention incorporate a selected type of siloxysilicate polymer (known as MQ silicone resins) in hair care formulations that can be used as hair volumizers. This case is related to a co-pending case filed on the same day as this case as U.S. Ser. No. 09/406,543 and owned by the same company as this case.
BACKGROUND OF THE INVENTION
The search for improved hair care products is a continual one. Since hair types vary, so do the types of products that are useful in working with different types of hair. One such product category desired by people to create a fuller appearance for their hair is known as hair volumizers. Previous attempts at adding volume to hair have involved the use of fixative-based sprays, gels or mousses to enhance styling and create volume. These products work by gluing hair together in a fixed architecture with increased volume. Such products often have the disadvantage of causing hair to be stiff or excessively sticky and do not, in general, allow the user to restyle the hair without washing out the product and reapplying it. The adhesive character of these volumizers can create difficulty in restyling. Additionally, such fixative-based products may initially cause a volumizing effect, but continued use of these products over time can result in build up on the hair resulting in loss of hair volume. The problem is magnified for people with fine hair since that type of hair is especially sensitive to being weighed down by deposits from hair care products.
The consumer wants volumizing products which are not permanent wave products, or fixative-based hair sprays or styling gels. The consumer does want a volumizing product which can add volume to otherwise flat or thin hair while maintaining some ability to restyle hair. Thus, hair volumizers as used in this context do not create a permanent architecture for the hair but allow the hair to be restyled and revolumized.
One example of a retention aid for hair styling is PCT Patent Application Publication Number WO 95/06057 to Torgerson et al. This reference describes silicone grafted thermoplastic elastomeric copolymers and hair and skin care compositions containing the same. These copolymers are useful in hair spray and mousse compositions. The copolymers described in this reference are water or alcohol soluble or dispersible thermoplastic elastomeric copolymers having a backbone and two or more hydrophilic polymeric side chains and one or more polysiloxane side chains, wherein the copolymer comprises:
(a) 20-89.9% monomer units copolymerizable with (b) and (c);
(b) 10-60% hydrophilic macromonomer units having a polymeric portion and a moiety copolymerizable with (a) and (c);
(c) 0.1-20% polysiloxane macromonomer units having a polymeric portion and a moiety copolymerizable with (a) and (b).
U.S. Pat. No. 4,902,499 to Bolich et al teaches hair care compositions which give both improved style retention and hair conditioning. The compositions comprise 0.01-10% of a rigid silicone polymer and a volatile carrier. Suitable polymers include filler reinforced polydimethyl siloxane gums, cross-linked siloxanes, organic substituted siloxane gums, resin reinforced siloxanes and cross-linked siloxane polymers.
European Patent Application EP 0 0240 350 B1 to Snyder et al claims the use of compositions having style retention and hair conditioning properties wherein the composition comprises (a) a rigid silicone polymer having a complex viscosity of at least 1×10
6
Pascal seconds (1×10
7
poise) selected from the group consisting of organic substituted siloxane gums, silicone elastomers, filler reinforced polydimethyl siloxane gums, resin reinforced siloxanes and cross-linked siloxane polymers; and (b) a volatile carrier selected from water, straight chain or branched C10-C16 volatile hydrocarbons, and volatile silicones having a boiling point in the range of 99-260 degrees C, wherein if water is the sole carrier, from 0.05-50% by weight of a surfactant is also present and wherein is excluded the use of a silicone polymer in the manufacture of an aqueous aerosol hair styling mousse composition wherein the silicone polymer is in the form of an emulsion comprising an anionically stabilized hydroxylated polyorganosiloxane.
Other attempts have included the creation of hair thickeners. PCT Patent Application Publication Number WO 96/38120 to Grossman describes a hair thickener and conditioning gelatin composition for topical application to the hair. A formulation comprising an aqueous gelatin solution, a water-soluble film-forming polymer, and an acid neutralizing agent to maintain the pH of the composition in the range of 6.0-9.5 is disclosed. The types of water-soluble, film-forming polymers suitable for us with this composition include polyvinyl pyrrolidone (PVP), polyvinyl acetate, partially hydrolyzed polyvinyl acetate, copolymers of PVP and vinyl acetate, polyvinyl alcohol, acrylate-acrylamide copolymers, acrylate-PVP copolymers and the like, wherein the polymers have a number average molecular weight ranging between 5,000-10,000 daltons.
Siloxane resins consisting of triorganosiloxane units and silicon dioxide units are known, commercially available materials and are employed in the formulation of various products including adhesives, anti-foaming agents as well as personal care products; however, it is not believed that these compounds have been used commercially in hair care products of the type described here. Such resins are sometimes referred to as “MQ resins” because of the presence of the monovalent (M) siloxane units and the quadrivalent or tetravalent (Q) silicon dioxide units.
In view of the reactivity of the silyl hydride group, it is sometimes desired to include such groups in MQ type resins. Siloxane resins composed of silicon dioxide units and units of the general formula H
1
R
2
SiO
½
, where each of R
1
and R
2
may be the same or different and each is selected from hydrogen, a monovalent hydrocarbon and a monovalent halohydrocarbon are frequently used because of the high reactivity of the silyl hydride functionality therein. Such resins have been used for organopolysiloxane elastomers. As precursors to other synthetic silicones, it is frequently desirable that these resins contain a limited number of silyl groups. U.S. Pat. No. 3,772,247 discloses organopolysiloxane resins consisting of R
3
R
4
R
5
SiO
½
units, SiO
2
units and units of the type HR
3
SiO and/or HSiO
{fraction (3/2)}
in which each of R
3
, R
4
, and R
5
are independently selected from the group consisting of alkyl, aryl, alkaryl, alkenyl, cycloalkyl and cycloalkenyl groups. While such resins possess silyl hydride groups, they possess a significant and measurable level of divalent or trivalent organosiloxyl groups.
U.S. Pat. No. 4,774,310 to Butler discloses MQ resins consisting of R
3
R
4
R
5
SiO
½
units and SiO
2
units where R
3
, R
4
, and R
5
are independently selecte from the group consisting of alkyl, aryl, alkaryl, alkenyl, cycloalkyl and cycloalkenyl groups. The MQ resins of this reference are further reacted with disiloxanes using acidic catalysis to product MQ type siloxane resins where the M:Q ratio is in the range of 0.4:1to 1:1, and where the fraction of hydride stopped units of the general formula H
a
R
n
3−a
SiO
½
, where R
n
is selected from the same group as defined for R
3
, R
4
, and R
5
is in the range of 0.1-30 percent of the total number of M units present.
British Patent 2,297,757 to Berthiaume et al describes low viscosity organofunctionalized siloxysilicates which are of the “MQ” type and which are stated as being useful as cosmetic and personal care products. These functionalized MQ silicone resins have the general formula:
where both R
1
and R
2
may be either a phenyl group or a C1-C12 alkyl group and both M
1
and M
2
are independently selected from the group consisting of phenyl, phenethyl, polyether, hydrogen and C1-C23 alkyl

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