Drug – bio-affecting and body treating compositions – Live hair or scalp treating compositions – Polymer containing
Reexamination Certificate
2000-04-28
2002-04-16
Page, Thurman K. (Department: 1615)
Drug, bio-affecting and body treating compositions
Live hair or scalp treating compositions
Polymer containing
C424S070100, C424S070110, C424S070120, C424S070220, C424S070270, C424S070210, C424S070310, C424S070900
Reexamination Certificate
active
06372203
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The subject matter of the present invention is a hair treatment composition containing at least one polymer or copolymer made from unsaturated saccharides, unsaturated saccharic acids or their derivatives.
2. Prior Art
A pleasing appearance has always been considered very important. Hair style plays a special role in providing that pleasing appearance. Well-styled and conditioned hair is the basis for a pleasing appearance. Pleasant feel, elasticity, volume, luster and hold should be enumerated among the requirements which are established for well-styled hair. There are an entire series of hair treatment agents, such as shampoos, care compositions, rinses, sprayed liquids, which are applied in a wide variety of different applications, for example as leave-on or as rinse-off products, for cleaning and care of the hair. Three other product categories have been used besides these care products. These product categories are permanent or temporary hair dye compositions, permanent hair shaping compositions in the form of mildly alkaline or acidic permanent wave or hair curling compositions, and compositions, which permit only temporary shaping and stabilizing of the hair style and generally are known as styling agents. For that purpose numerous products, such as hair sprays, hair lacquers, fixing lotions, fixing foams, hair gels, luster-producing products, styling creams, etc, are available. All these compositions have in common that they are made from a number of individual substances or ingredients, which fulfill different purposes according to their formulation.
Polymers, which according to their structure have hair care and/or hair fixing properties, which influence the product consistency positively, improve the transport and adherence of the active ingredients to the hair or modify the properties of the remaining ingredients advantageously, are of special significance. Polymers, which are based on recycled raw materials and have good biodegradability, are also of special significance. An additional protective effect, e.g. protection of the hair from drying out or regulation of the moisture content of the hair by providing an improved water retention capability by means of polymers sheathing the hair, is especially desirable.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide a new class of polymers of this type, which fulfill one or more of the above-described desirable functions.
These new polymers, which are described in more detail in the following, are made from unsaturated saccharides, saccharic acids or their derivatives. They are advantageously useable in a number of different hair treatment compositions.
According to the invention the hair treatment composition comprises at least one polymer or copolymer, which is built up from at least one monomer, which is selected from the group consisting of
(a) ethylenic unsaturated saccharides and their derivatives, and
(b) ethylenic unsaturated saccharic acids and their derivatives; and a suitable cosmetic foundation, in which the unsaturated saccharides and saccharic acids can be present in cyclic or open-chain form. Also mixtures of polymers or copolymers can be used. The term “derivative” means a compound in which the acid groups are present as salts, esters, lactones, amides, imides or nitrites or in which the hydroxy groups are present in alkylated or acylated form or provided with common protective groups and compounds, which fall under one of the below-named general formulas I to XVII. The term “derivative” also means hexenitols or pentenitols derived by water cleavage from hexitols and pentitols. The hexenitols or pentenitols can also be present in the form of cyclic ethers or in linear form, in which the hydroxyl groups can be provided with conventional protective groups or a keto group can be contained in the molecule.
The cosmetic composition according to the invention preferably contains from 0.01 to 25 percent by weight, especially preferably from 0.05 to 10 percent by weight, of the polymers and copolymers according to the invention derived from the saccharides.
The polymers can be made by radical polymerization of ethylenic unsatured mono-, di- or oligosaccharides, hexenitols, pentenitols or their derivative compounds, which contain at least one ethylenic double bond in a ring (endocyclic), at the ring (exocyclic) or in open chain form. The unsaturated saccharides or saccharic acids can be chemically protected or unprotected, or enzymatically or chemically modified.
Suitable polymers and copolymers and their manufacture are described in WO 95/25135 and in WO 99/00436. The polymers and copolymers described there are incorporated in this disclosure by reference. Suitable monomers derived from unsaturated saccharides have the following general formulae I to X:
Suitable monomers derived from unsaturated saccharic acids are those of the general formulae XI to XVII:
wherein R
1
, R
2
, R
6
and R
8
, independently of each other, represent a hydrogen, alkyl, aralkyl, acyl or silyl group or each pair of the foregoing groups represent a common alkylidene group in a suitable spatial configuration; R
3
represents one of the foregoing groups or stands for glycosyl; R
4
and R
9
represent hydrogen, alkyl or a suitable counter ion; R
5
represents hydrogen, CH
2
OR
8
or COOR
9
; R
7
stands for hydrogen or O-glycosyl; R
10
and R
11
represents, independently of each other, a hydroxyl, acetamido, O-acyl or O-alkyl group and A stands for oxygen, an NH group or an N-alkyl group. The foregoing alkyl groups preferably contain from 1 to 24, especially preferably from 1 to 6, carbon atoms.
The saccharide and saccharic acid monomers or their derivative compounds can be copolymerized with one or more radically polymerizable, comonomers not derived from saccharides, especially vinyl monomers. The comonomers can be hydrophilic or hydrophobic, nonionic, cationic, anionic zwitterionic or amphoteric. The solubilizing, film-forming, hair fixing and hair care properties of the resulting copolymers can be adjusted by suitable choice of the type and amount of the comonomers. Preferably the hydrophilic monomers derived from saccharides can be combined with hydrophobic comonomers.
Suitable nonionic comonomers, for example, are acrylamide, methacrylamide, alkyl and dialkylacrylamides, alkyl and dialkylmethacrylamides, ethylenic unsaturated esters of C
3
- to C
10
-carboxylic acids (e.g. alkylacrylates or alkylmethacrylate), maleic acid dialkyl esters, vinylcaprolactone, five to eight membered N-vinyllactams, which can be substituted with up to 3 C
1
- to C
12
-alkyl groups on the ring, especially vinyl pyrrolidone and vinyl caprolactam, additional vinyl alcohols and vinyl esters (e.g. vinyl acetates or vinyl propionate), styrene, which can be substituted by one or two C
1
- to C
3
-alkyl groups on the aromatic ring. The alkyl groups of these monomers are preferably C
1
- to C
7
-alkyl groups, especially preferably C
1
- to C
3
-alkyl groups. Additional suitable nonionic copolymerizable groups include silicone macromers with a terminal ethylenic unsaturated group, such as described, for example, in EP 0 412 704. The unsaturated silicone macromers have the general formula X—(Y)
n
—Si(R)
3−m
(Z)
m
, wherein X represents a vinyl group, Y, a divalent connecting group, R represents a hydrogen, alkyl, aryl or alkoxy group and Z represents a monovalent polysiloxane group with a molecular weight of at least 500 and n stands for 0 or 1 and m stands for 1, 2 or 3. The foregoing alkyl groups preferably contain from 1 to 24, especially preferably from 1 to 6, carbon atoms.
Suitable anionic comonomers include those monomers that are anionizable by neutralization of an acidic group. Suitable anionic comonomers include, for example, monoethylenic unsaturated C
3
- to C
10
-carboxylic acids and their alkali metal, alkaline earth metal or ammonium salts, such as acrylic acid, methacrylic acid, dimethylacrylic acid, ethylacrylic acid, vinylacetic acid, allylacetic acid, vinyl
Allwohn Juergen
Birkel Susanne
Seidleck Brian K.
Striker Michael J.
Wella Aktiengesellschaft
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