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    METHOD FOR MEASURING WET FRICTION OF HAIR
    1.
    发明申请
    METHOD FOR MEASURING WET FRICTION OF HAIR 有权

    公开(公告)号：US20210041349A1

    公开(公告)日：2021-02-11

    申请号：US16497441

    申请日：2018-03-21

    申请人： Conopco, Inc., d/b/a UNILEVER

    发明人： Andrew Anthony Howard BARNES ,  Fraser Ian BELL ,  Colin Christopher David GILES ,  Sophia Paraskevi Clare MOGHADAM ,  Rongrong ZHOU

    IPC分类号： G01N19/02 ,  A61K8/41 ,  A61Q5/12

    摘要： A method of measuring a wet friction of a bundle of hair, using a system which includes a friction probe having a contact surface and fitted with a weight in the range of from 10 g to 500 g, inclusive, a means for securing the bundle of hair, and a water bath, the friction probe being connected to a texture analyser, the method including the step of i) providing a bundle of hair fibres. The method also includes the steps of ii) aligning the bundle of hair fibres; iii) securing the bundle of hair fibres; iv) immersing the bundle of hair fibres under water in the water bath; v) contacting the bundle of hair fibres with the contact surface of the friction probe, which is fitted with the weight vi) moving the probe along the hair fibres; and vii) recording the friction generated under step vi).

    DEPOSITION SYSTEM FOR HAIR
    3.
    发明申请
    DEPOSITION SYSTEM FOR HAIR 有权

    公开(公告)号：US20220023178A1

    公开(公告)日：2022-01-27

    申请号：US17413104

    申请日：2019-12-18

    申请人： Conopco, Inc., d/b/a UNILEVER

    发明人： Colin Christopher David GILES ,  Rongrong ZHOU

    IPC分类号： A61K8/41 ,  A61Q5/12

    摘要： A hair treatment composition comprising: a) a conditioning base comprising: i) a cationic conditioning surfactant having from 16 to 32 carbon atoms; ii) a fatty alcohol having from 8 to 22 carbon atoms; and b) from 0.1 to 10 wt % of a conditioning silicone; (c) from 0.1 to 5 wt % of a diesterquat selected from a diesterquat that comprises branched, saturated chains, a diesterquat that comprises unbranched, unsaturated chains, and mixtures thereof; wherein the ratio of b) to c) is from 1:1 to 1:0.1, provides improved deposition of silicone on hair surfaces.

    DEPOSITION SYSTEM FOR HAIR
    5.
    发明申请
    DEPOSITION SYSTEM FOR HAIR 有权

    公开(公告)号：US20220287933A1

    公开(公告)日：2022-09-15

    申请号：US17413361

    申请日：2019-12-05

    申请人： Conopco, Inc., d/b/a UNILEVER

    发明人： Colin Christopher David GILES ,  Rongrong ZHOU

    IPC分类号： A61K8/34 ,  A61K8/27 ,  A61K8/41 ,  A61K8/49 ,  A61Q5/00 ,  A61Q5/12

    摘要： A hair treatment composition comprising: a) a conditioning base comprising: i) a cationic conditioning surfactant having from 16 to 32 carbon atoms; ii) a fatty alcohol having from 8 to 22 carbon atoms; and b) from 0.1 to 10 wt % of metal pyrithiones and mixtures thereof; wherein the composition further comprises: (c) from 0.1 to 5 wt % of a diesterquat; and wherein the ratio of b) to c) is from 1:1 to 1:0.1, provides improved deposition of metal pyrithione on hair surfaces.

    HAIR CONDITIONING COMPOSITION FOR IMPROVED DEPOSITION
    6.
    发明申请
    HAIR CONDITIONING COMPOSITION FOR IMPROVED DEPOSITION 有权

    公开(公告)号：US20220096348A1

    公开(公告)日：2022-03-31

    申请号：US17415125

    申请日：2019-12-10

    申请人： Conopco, Inc., d/b/a UNILEVER

    发明人： Richard Jonathan BARFOOT ,  Michael James COOKE ,  Colin Christopher David GILES ,  Raquel GUTIERREZ-ABAD ,  Hailey KELSO ,  Cesar Ernesto MENDOZA FERNANDEZ ,  Rongrong ZHOU

    IPC分类号： A61K8/41 ,  A61K8/42 ,  A61K8/891 ,  A61K8/46 ,  A61Q5/12

    摘要： A composition comprising: (i) 0.01 to 10 wt % of a linear, cationic conditioning surfactant; (ii) 0.1 to 10 wt % of a linear fatty material; (iii) a particulate benefit agent; (iv) 0.01 to 5 wt %, at 100% active, of a branched cationic co-surfactant, as defined by structure (1) wherein: —R1 and R2 comprise linear or branched alkyl chains, that are saturated or non-saturated, with carbon-carbon chain lengths of from C2 to C32, preferably C8-C20 and that optionally comprise at least one group selected from an ester group, an amide group and an ether group; —R3 comprises an alkyl chain having a carbon-carbon chain length of from C1 to C4, preferably C1 to C2; —R4 comprises a proton or an alkyl chain having a carbon-carbon chain length of from C1 to C4, preferably C1 to C2; and —X is an organic or inorganic anion; wherein the molar ratios of branched cationic co-surfactants (iv) to linear cationic surfactants (i) are in the range of from 1:20 to 1:1, preferably from 1:10 to 1:1, most preferably 1:5 to 1:2, results in improved benefit agent deposition onto hair; wherein, where R1 and R2 comprise one or more linear alkyl chains, at least one linear alkyl chain has a carbon-carbon chain length of from C1 to C14; wherein the compositions have a viscosity of from 5,000 to 750,000 centipoise, preferably from 50,000 to 600,000 centipoise, more preferably from 50,000 to 450,000 as measured at 30° C. on a Brookfield RVT using a Spindle A or B at 0.5 rpm for 60 seconds.

    METHOD
    7.
    发明申请
    METHOD 有权

    公开(公告)号：US20210208044A1

    公开(公告)日：2021-07-08

    申请号：US17056535

    申请日：2019-05-29

    申请人： Conopco, Inc., d/b/a UNILEVER

    发明人： Lynsey Joanne COAN ,  Colin Christopher David GILES ,  Jennifer Amy GLENDAY ,  Raquel GUTIERREZ-ABAD ,  Matias LUCK

    IPC分类号： G01N11/00 ,  G01N1/38 ,  A61K8/04 ,  A61Q5/12 ,  A61K8/81

    摘要： A method of predicting rinse properties of a composition from a surface, comprising the steps of: I. providing a neat treatment composition; II. preparing a series of aqueous dilutions of the neat treatment composition; III. measuring the viscosities of the neat treatment composition and the aqueous dilutions of the treatment composition using a suitable method such as a Brookfield viscometer fitted with a T-B spindle and Helipath, at 0.5 rpm and 25° C.; IV. correlating the measured viscosities to the rinse properties of the neat treatment composition; and v. optionally correlating the rinse properties of the neat treatment composition to the amount of water used to rinse the neat composition from a surface.