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公开(公告)号：US20180280271A1
公开(公告)日：2018-10-04
申请号：US15942085
申请日：2018-03-30
Applicant: L'OREAL
Inventor： Geraldine FACK , Cecile Proust , Pierre-Alexandre Dewaele , Ronak Rughani , Mara Applebaum
Abstract: The present disclosure relates to kits and methods, which are particularly useful for repairing, strengthening, and protecting hair from damage. The kits and methods employ one or more booster compositions, which can be added to a separate hair-treatment composition for application to the hair, or can be applied individually to the hair in a sequence with a separate hair-treatment composition. The booster compositions include: at least 0.5 wt. % of at least one amino acid or amino sulfonic acid, and/or a salt thereof; at least 0.5 wt. % of at least one non-polymeric mono, di, or tricarboxylic acid, and/or a salt thereof; and water. Hair treated with the kits and methods exhibit desirable cosmetic properties such as smoothness, gloss, improved combability, and enhanced strength and elasticity.
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公开(公告)号：US12268767B2
公开(公告)日：2025-04-08
申请号：US18115715
申请日：2023-02-28
Applicant: L'Oreal
Inventor： Ronak Rughani , Cho-Cho Khine , David Ladd , Yamini Patel
Abstract: The disclosure relates to compositions for use before, during, and/or after the hair is subject to a process for altering the color thereof. The compositions comprise a combination of citric acid and at least one urea compound. The compositions provide strength and other benefits to treated hair. The disclosure also relates to methods of using the compositions as well as kits comprising the compositions.
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公开(公告)号：US20250099353A1
公开(公告)日：2025-03-27
申请号：US18355480
申请日：2023-07-20
Applicant: L'OREAL
Inventor： Vibha SHAH , Heather Lee , Ronak Rughani , Lisa Chuyin Ye-Tse , Aakash Parekh
Abstract: The instant case relates to a method or routine comprising: (i) treating hair with an alkaline composition; (ii) treating hair with a conditioning composition; (iii) applying a leave on composition to the hair; and (iv) subjecting the hair to a thermal heat treatment. The alkaline composition comprises one or more alkalizing agents, such as an alkanolamine, and water. The conditioning composition comprises: (a) citric acid, a salt thereof, or a combination thereof; (b) cyclodextrin, a derivative thereof, or a combination thereof; (c) one or more cationic surfactants; and water. The leave on composition comprises: (a) one or more silicones; (b) one or more film-forming polymers; and (c) water. The hair is subjected to a thermal heat treatment, for example, treatment with a hot iron at a temperature of 150 to about 280° C. The methods improve hair fiber alignment, reduce frizz, and provide smoothness to hair.
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公开(公告)号：US12083207B2
公开(公告)日：2024-09-10
申请号：US17007752
申请日：2020-08-31
Applicant: L'OREAL
Inventor： Cho-Cho Khine , Ronak Rughani
Abstract: Cosmetic compositions, kits thereof, and methods of making and using such cosmetic compositions. The cosmetic compositions comprising about 0.1 to about 25 wt. % of citric acid, about 0.2 to about 40 wt. % of one or more urea compound, and about 20 wt. % or more water wherein all weight percentages are based on the total weight of the cosmetic composition. Additionally, the cosmetic compositions are typically formulated to have a molar ratio of the citric acid of (a) to the urea compound of (b) is 1 or less.
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公开(公告)号：US20230210736A1
公开(公告)日：2023-07-06
申请号：US18146193
申请日：2022-12-23
Applicant: L'OREAL
Inventor： Kazumitsu KAWAKAMI , Ronak Rughani , Liliana Xavier , Aakash Parekh
IPC: A61K8/365 , A61K8/06 , A61Q5/08 , A61Q5/02 , A61K8/34 , A61K8/41 , A61K8/44 , A61K8/73 , A61K8/891 , A61K8/898
CPC classification number: A61K8/365 , A61K8/062 , A61Q5/08 , A61Q5/02 , A61K8/342 , A61K8/416 , A61K8/44 , A61K8/737 , A61K8/891 , A61K8/898 , A61K2800/48 , A61K2800/5422
Abstract: Hair treatment compositions and methods of using them to treat hair are described. The hair treatment compositions include: (a) citric acid, one or more salts of citric acid, or a combination thereof; or a combination of citric acid and one or more salts of citric acid, wherein the weight ratio of citric acid to salts of citric acid added to form the combination is from 1:10 to 10:1; (b) one or more surfactants; and (c) water; wherein the pH of the composition is from about 3 to about 10; and weight percentages are based on the total weight of the composition. The hair treatment compositions are particularly useful for strengthening hair fibers.
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Patent Agency Ranking
公开(公告)号：US11154479B1
公开(公告)日：2021-10-26
申请号：US16888821
申请日：2020-05-31
Applicant: L'Oreal
Inventor： Guojin Zhang , Ronak Rughani
Abstract: The disclosure relates to compositions and methods for removing direct dyes from hair, the methods comprising contacting hair with a composition comprising at least one organic salt selected from imidazolium-based compounds and/or ammonium-based compounds.
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公开(公告)号：US20250108024A1
公开(公告)日：2025-04-03
申请号：US18355526
申请日：2023-07-20
Applicant: L'OREAL
Inventor： Cho-Cho KHINE , Ronak Rughani
Abstract: The instant disclosure is drawn to methods and compositions, which can be used at-home, for treating oxidatively bleached or colored hair. The methods include: (i) applying a fortifying composition to the oxidatively bleached or colored hair a, the fortifying composition comprising citric acid, a salt thereof, or a combination thereof, cyclodextrin, a derivative thereof, or a combination thereof, one or more polyols, and water; and (ii) without rinsing the fortifying composition from the hair, applying a conditioning composition to the hair, the conditioning composition comprising: one or more cationic surfactants, one or more non-silicone fatty compounds, one or more silicone oils, and water. The methods strengthen the hair, improve curl retention of the hair, prevent frizz of the hair, and remediates damage to the hair caused by chemical bleaching or coloring of the hair.
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公开(公告)号：US12257331B2
公开(公告)日：2025-03-25
申请号：US18355533
申请日：2023-07-20
Applicant: L'OREAL
Inventor： Cho-Cho Khine , Ronak Rughani
Abstract: The present disclosure is drawn to methods for oxidatively bleaching or coloring hair. The methods employ a fortifying composition and a conditioning composition, which are used in various routines. Treating hair according to the routines prevent, minimize, or mitigate damage to the hair caused by the oxidative bleaching or coloring process. The fortifying composition includes: (a) citric acid, a salt thereof, or a combination thereof; (b) cyclodextrin, a salt thereof, or a combination thereof; (c) one or more polyols; and (d) water. The conditioning composition includes: (a) one or more cationic surfactants; (b) one or more non-silicone fatty compounds; (c) one or more silicone oils; and (d) and water. The methods strengthen the hair, improve curl retention of the hair, prevent frizz of the hair, and remediate damage to the hair caused by chemical bleaching or coloring of the hair.
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公开(公告)号：US11992548B2
公开(公告)日：2024-05-28
申请号：US17104240
申请日：2020-11-25
Applicant: L'OREAL
Inventor： Erika Suzanne Ritchie , Rachel Ferebee Maher , Ronak Rughani
Abstract: Hair treatment compositions, kits for producing such hair treatment compositions, and methods for using such kits and/or hair treatment compositions are provided for treating hair. Methods for treating hair typically include: obtaining a first composition comprising one or more polysaccharides with amine group(s) and water; adding ascorbic acid and one or more peroxides, peroxo compounds, or combinations thereof to the first composition to obtain a second composition; applying the second composition to hair; and heating the hair, which has the second composition applied thereto, to a temperature above 25° C. Kits for improving hair typically include a first composition comprising one or more polysaccharides with amine group(s) and water; a second composition comprising up to 100 wt. % of ascorbic acid; and a third composition comprising a peroxide, a peroxo compound, or a combination thereof, wherein the first composition, the second composition, and the third composition are separately contained.
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公开(公告)号：US11819560B2
公开(公告)日：2023-11-21
申请号：US17007832
申请日：2020-08-31
Applicant: L'OREAL
Inventor： Ronak Rughani , Cho-Cho Khine
CPC classification number: A61K8/361 , A61K8/345 , A61K8/40 , A61K8/92 , A61K2800/31 , A61Q5/002 , A61Q5/12
Abstract: Cosmetic compositions, kits thereof, and methods of making and using such cosmetic compositions. The cosmetic compositions typically include about 20 to about 95 wt. % of a polyol; about 5 to about 70 wt. % of one or more monoalcohols having from 2 to 6 carbon atoms; about 0.1 to about 10 wt. % of one or more cationic surfactants; about 0.1 to about 20 wt. % of one or more fatty compounds; and about 1 to about 15 wt. % of a combination of a urea compound and citric acid, wherein all weight percentages are based on the total weight of the cosmetic composition. The cosmetic compositions have a weight ratio of polyol to monoalcohol(s) that is from 20:1 to 1:20. Additionally, the cosmetic compositions typically have a mole ratio of citric acid to urea compound of that is about 10:0.5 to about 0.5:10.
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