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    Non-rinse-off hair protective cosmetic
    3.
    发明授权
    Non-rinse-off hair protective cosmetic 有权

    公开(公告)号：US11160748B2

    公开(公告)日：2021-11-02

    申请号：US16754155

    申请日：2018-10-18

    申请人： SHIN-ETSU CHEMICAL CO., LTD.

    发明人： Koji Sakuta ,  Takuya Abe

    IPC分类号： A61K8/893 ,  A61K8/34 ,  A61Q5/12

    摘要： A non-rinse-off hair protective cosmetic including a polyoxyalkylene-modified organopolysiloxane compound which has: a terminal to which a siloxane chain having a polyoxyalkylene group shown by a formula (1) is bonded; 50 or more structural units shown by a formula (2) per molecule; a viscosity of 50,000 mPa·s or more at 25° C.; and an HLB of 1 to 7, where each R1 represents an alkyl group or a phenyl group; A represents a monovalent group having a polyoxyalkylene group shown by a formula (3) or (4). Thus, a non-rinse-off hair protective cosmetic excellent in hair protection performance, resistant to water, but easily removable with a shampoo or the like after use.

    Bicontinuous microemulsion composition and cosmetic
    4.
    发明授权
    Bicontinuous microemulsion composition and cosmetic 有权

    公开(公告)号：US11007127B2

    公开(公告)日：2021-05-18

    申请号：US16189479

    申请日：2018-11-13

    申请人： SHIN-ETSU CHEMICAL CO., LTD.

    发明人： Koji Sakuta ,  Takuya Abe

    IPC分类号： A61K6/896 ,  A61K8/06 ,  A61K8/892 ,  A61Q5/00 ,  A61K8/31 ,  A61Q5/12 ,  A61Q19/10 ,  A61K8/58 ,  A61K8/37 ,  A61K8/894

    摘要： The present invention provides a bicontinuous microemulsion composition, including: (A) polyglycerin group-containing organo(poly)siloxane shown by the general formula (1): wherein R1 represents an alkyl group or a phenyl group, R2 represents a group having a polyglycerin structure shown by the formula (2) or the formula (3), R3 represents R1 or R2, “a” is 0 to 6, “b” is 0 to 4, a+b is 0 to 10, and at least one of R3 is R2 when “b” is 0: wherein R4 represents an alkylene group or an aralkylene group, “c” is 0 to 10, and “d” is 2 to 6; (B) silicone oil having a viscosity of 20 mm2/s or less at 25° C., volatile hydrocarbon oil, or ester oil; and (C) water. This provide a transparent bicontinuous microemulsion composition in which anionic or cationic surfactant, and water-soluble monovalent or polyvalent alcohol are unnecessary; and a cosmetic with excellent pleasantness of use.

    Method for producing hydrosilyl group-containing organic silicon resin
    5.
    发明授权
    Method for producing hydrosilyl group-containing organic silicon resin 有权

    公开(公告)号：US10590242B2

    公开(公告)日：2020-03-17

    申请号：US15767337

    申请日：2016-09-14

    申请人： SHIN-ETSU CHEMICAL CO., LTD.

    发明人： Takuya Abe ,  Hiroomi Iyoku ,  Masanao Kamei ,  Yoshinori Takamatsu

    IPC分类号： C08G77/12 ,  C08G77/06 ,  C08G77/08 ,  C08G77/10

    摘要： A method for producing a hydrosilyl group-containing organic silicon resin of formula (6) in a solid form, wherein after formulae (1) to (3) are hydrolyzed in the presence of an acid catalyst, hydrolysis is carried out by adding hydrosilyl group-containing organic silicon compounds of formulae (4) and (5), followed by neutralization by a base catalyst with the amount thereof being more than a molar equivalent of the acid catalyst, and then by condensation. By so doing, deactivation amount of the hydrosilyl group can be reduced, so that the method for producing the hydrosilyl group-containing organic silicon resin, which is in a solid form without a solvent and to which a hydrosilyl group can be introduced quantitatively and in a large quantity, is provided, R13SiOSiR13  (1) R13SiX1  (2) SiX24  (3) HnR23-nSiOSiR23-nHn  (4) HnR23-nSiX3  (5) (R13SiO1/2)a(HnR23-nSiO1/2)b(SiO2)c(R4SiO3/2)d  (6).

    CROSSLINKED ORGANOSILICON RESIN, A METHOD FOR PRODUCING SAME, AND A COSMETIC
    6.
    发明申请
    CROSSLINKED ORGANOSILICON RESIN, A METHOD FOR PRODUCING SAME, AND A COSMETIC 有权

    公开(公告)号：US20210277187A1

    公开(公告)日：2021-09-09

    申请号：US17258786

    申请日：2019-07-09

    申请人： Shin-Etsu Chemical Co., Ltd.

    发明人： Takuya Abe ,  Masayuki Konishi ,  Chihiro Hayakawa

    IPC分类号： C08G77/38 ,  A61K8/895 ,  A61Q17/04 ,  A61Q1/00 ,  A61Q1/06 ,  A61Q1/10 ,  A61Q5/12 ,  A61Q5/06 ,  A61Q15/00 ,  A61Q3/02

    摘要： An object is to provide a crosslinked organosilicone resin which has a crosslinked structure formed by reacting a silicone or hydrocarbon having an alkenyl group at both ends thereof with a hydrosilyl group-containing organosilicone resin, is soluble with a liquid oil at room temperature, and forms a film by volatilization of the oil, and to provide a method for preparing the same and cosmetics containing the crosslinked organosilicone resin. The present invention provides a crosslinked organosilicone resin represented by the following average composition formula (1): (R13SiO1/2)a1(R23SiO1/2)n2(R33SiO1/2)n3(R13-p(X1/2)pSiO1/2)a4(R12SiO2/2)b(R1SiO3/2)c(SiO4/2)d   (1) wherein R1 is, independently of each other, a substituted or unsubstituted, monovalent hydrocarbon group having 1 to 30 carbon atoms and having no aliphatic unsaturated bond, R2 is, independently of each other, a polyoxyalkylene-containing group, a polyglycerin-containing group, or a group selected from the groups defined for R1 and at least one of R2 in each of the R23SiO1/2 units is a polyoxyalkylene-containing group or a polyglycerin-containing group, R3 is, independently of each other, an organopolysiloxane-containing group or a group selected from the groups defined for R1 and at least one of R3 in each of the R33SiO1/2 units is an organopolysiloxane-containing s group, X is a divalent group represented by the following formula (2) or (3): wherein R4 is, independently of each other, a substituted or unsubstituted, monovalent hydrocarbon group having 1 to 30 carbon atoms and having no aliphatic unsaturated bond, e is an integer of 0≤e≤500 and k is an integer of 0≤k≤5; —(CH2)2—CfH2f—(CH2)2—  (3) wherein f is an integer of 0≤f≤20; optionally, a part of R2, R3 and X may be a hydroxyl group, a1, a2, a3, a4, b, c, and d satisfy the equations, 0