[미국특허]
Silicone grafted thermoplastic elastomeric copolymers and hair and skin care compositions containing the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C02F-226/06
A61K-031/785
A61K-007/075
출원번호
US-0440867
(1995-05-15)
발명자
/ 주소
Torgerson Peter M. (Washington Court House OH) Midha Sanjeev (Blue Ash OH)
출원인 / 주소
The Procter & Gamble Company (Cincinnati OH 02)
인용정보
피인용 횟수 :
18인용 특허 :
0
초록▼
The present invention relates to water or alcohol soluble or dispersible silicone grafted thermoplastic elastomeric copolymers and to cosmetic and pharmaceutical compositions containing these copolymers. This invention especially relates to copolymers useful for hair styling purposes, and to hair st
The present invention relates to water or alcohol soluble or dispersible silicone grafted thermoplastic elastomeric copolymers and to cosmetic and pharmaceutical compositions containing these copolymers. This invention especially relates to copolymers useful for hair styling purposes, and to hair styling compositions containing these copolymers. This invention further relates to copolymers useful for providing cosmetic and pharmaceutical compositions for topical application to the skin. These topical skin care compositions are useful for delivering and/or transdermally transporting active ingredients to or through the skin.
대표청구항▼
A water or alcohol soluble or dispersible thermoplastic elastomeric copolymer having a backbone and two or more hydrophilic polymeric side chains and one or more polysiloxane side chains, said copolymer formed from the copolymerization of randomly repeating A, B, and C units wherein said copolymer c
A water or alcohol soluble or dispersible thermoplastic elastomeric copolymer having a backbone and two or more hydrophilic polymeric side chains and one or more polysiloxane side chains, said copolymer formed from the copolymerization of randomly repeating A, B, and C units wherein said copolymer comprises: (i) from about 20% to about 89.9% by weight of said A units, wherein said A units are monomer units that are copolymerizable with said B and C units; (ii) from about 10% to about 60% by weight of said B units, wherein said B units are hydrophilic nitrogen containing macromonomer units having a polymeric portion and a moiety that is copolymerizable with said A and C units, wherein said B macromonomer units are selected from nitrogen containing macromonomers represented by the following structure [Figure] wherein R12 is selected from the group consisting of hydrogen, C1-C6 straight or branched chain alkyl, benzyl, and mixtures thereof, m is an integer from about 10 to about 2000; E is an ethylenically unsaturated moiety, copolymerizable with A and C, selected from the group consisting of vinyl, allyl, acryloyl, methacryloyl, ethacryloyl, styryl, 2-vinyl benzyl, 3-vinyl benzyl, 4-vinyl benzyl, 2-vinylbenzoyl, 3-vinylbenzoyl, 4-vinylbenzoyl, 1-butenyl, isobutenyl, isoprenyl, cyclopentenyl, cyclohexenyl, and mixtures thereof; and P is selected from the group consisting of 2-pyridyl, 3-pyridyl, 4-pyridyl, [4-dimethylaminomethyl benzene, 4-aminomethyl benzene, 4-dimethylaminoethyl benzene, 4-aminoethyl benzene,]and pharmaceutically acceptable salts and C1-C4 alkyl quaternized derivatives thereof, and mixtures thereof; and (iii) from about 0.1% to about 20% by weight of said C units, wherein said C units are polysiloxane macromonomer units having a polymeric portion and a moiety that is copolymerizable with said A and B units, wherein said A units, in conjunction with said copolymerizable moieties of said B units and said C units, form said backbone; wherein said polymeric portion of said B units forms said hydrophilic side chains; wherein said polymeric portion of said C units forms said polysiloxane side chains; wherein said copolymer has a weight average molecular weight greater than about 10,000, and wherein said copolymer exhibits at least two distinct Tg values, said first Tg corresponding to said backbone and having a value less than about 0°C., and said second Tg corresponding to said hydrophilic polymeric side chains and having a value greater than about 25°C.
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