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公开(公告)号：US20250064692A1
公开(公告)日：2025-02-27
申请号：US18721056
申请日：2022-12-09
Applicant: L'Oreal
Inventor： Takehiko Kasai , Toshifumi Shiroya , Hidehiko Asanuma , Shinsuke Okuda , Tatsushi Isojima , Mariko Yamamoto
Abstract: The present invention relates to a composition comprising: (a) at least one particle. comprising at least one cationic polymer, at least one anionic polymer, and at least one non-polymeric acid having two or more pKa values or a salt thereof; (b) at least one oil; (c) at least one fatty acid; and (d) water. The composition according to the present invention is stable even when it comprises a relatively large amount of oil, such as up to 30% by weight relative to the total weight of the composition.
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公开(公告)号：US11833234B2
公开(公告)日：2023-12-05
申请号：US17266533
申请日：2019-08-16
Applicant: L'OREAL
Inventor： Takehiko Kasai , Toshifumi Shiroya , Shoji Maruyama , Hidehiko Asanuma
CPC classification number: A61K8/062 , A61K8/066 , A61K8/463 , A61K8/731 , A61K8/92 , A61Q19/00 , A61K2800/5426 , A61K2800/95
Abstract: The present invention relates to a composition in the form of an O/W emulsion, comprising: (a) at least one cationic polysaccharide; (b) at least one crosslinker having three or more acid groups or salt thereof; (c) at least one oil; and (d) water, wherein the amount of the (c) oil(s) in the composition is 50% by weight or more, preferably 60% by weight or more, and more preferably 70% by weight or more, relative to the total weight of the composition. The composition in the form of an O/W emulsion according to the present invention is stable. Also, a composition in the form of an O/W/O emulsion can be prepared by the composition in the form of an O/W emulsion according to the present invention.
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公开(公告)号：US11826455B2
公开(公告)日：2023-11-28
申请号：US17268398
申请日：2019-08-09
Applicant: L'OREAL
Inventor： Toshifumi Shiroya , Takehiko Kasai , Hidehiko Asanuma , Tomomi Hamazaki , Toru Koike
CPC classification number: A61K8/731 , A61K8/06 , A61K8/19 , A61K8/365 , A61K8/40 , A61K8/55 , A61Q17/04 , A61Q19/00 , A61K2800/5424 , A61K2800/5426
Abstract: The present invention relates to a composition comprising (a) at least one cationic polysaccharide; (b) at least one crosslinker having three or more acid groups or salt thereof; and (c) at least one physiologically acceptable volatile medium, wherein the composition optionally comprises surfactant(s) in an amount of 1% by weight or less, preferably 0.5% by weight or less, and more preferably 0.3% by weight or less, relative to the total weight of the composition. The composition according to the present invention can provide a self-healing or self-repairing film.
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公开(公告)号：US20210177725A1
公开(公告)日：2021-06-17
申请号：US17268398
申请日：2019-08-09
Applicant: L'OREAL
Inventor： Toshifumi Shiroya , Takehiko Kasai , Hidehiko ASANUMA , Tomomi HAMAZAKI , Toru Koike
Abstract: The present invention relates to a composition comprising (a) at least one cationic polysaccharide; (b) at least one crosslinker having three or more acid groups or salt thereof; and (c) at least one physiologically acceptable volatile medium, wherein the composition optionally comprises surfactant(s) in an amount of 1% by weight or less, preferably 0.5% by weight or less, and more preferably 0.3% by weight or less, relative to the total weight of the composition. The composition according to the present invention can provide a self-healing or self-repairing film.
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5.发明申请公开(公告)号：US20200330363A1
公开(公告)日：2020-10-22
申请号：US16770918
申请日：2018-11-20
Applicant: L'Oreal
Inventor： Toshifumi Shiroya , Hidehiko Asanuma , Takehiko Kasai
Abstract: The present invention relates to a composition, preferably a cosmetic composition, and more preferably a skin cosmetic composition, comprising: (a) at least one complex, comprising at least one cationic polymer and at least one anionic polymer, at least one cationic polymer and at least one amphoteric polymer, at least one anionic polymer and at least one amphoteric polymer, or at least one amphoteric polymer, and at least one non-polymeric acid having two or more pKa values or salt(s) thereof or at least one non-polymeric base having two or more pKb values or salt(s) thereof; (b) at least one oil; and (c) water, wherein the cationic polymer comprises at least one cationic cellulose polymer with at least one fatty chain comprising at least 10 carbon atoms, and if the (a) complex comprises at least one anionic polymer and at least one amphoteric polymer, or at least one amphoteric polymer, the (a) complex further comprises at least one cationic cellulose polymer with at least one fatty chain comprising at least 10 carbon atoms. The composition according to the present invention is stable even at an elevated temperature, and can have a variety of cosmetic functions. For example, the composition according to the present invention can prepare a film which can have cosmetic effects such as moisturizing due to the oil(s).
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Patent Agency Ranking
6.发明申请公开(公告)号：US20200163864A1
公开(公告)日：2020-05-28
申请号：US16619899
申请日：2018-06-08
Applicant: L'Oreal
Inventor： Toshifumi Shiroya , Hidehiko Asanuma , Takehiko Kasai
Abstract: The present invention relates to a composition, preferably a cosmetic composition, and more preferably a skin cosmetic composition, comprising: (a) at least one particle, comprising at least one cationic polymer and at least one amphoteric polymer, at least one anionic polymer and at least one amphoteric polymer, or at least one amphoteric polymer, and at least one non-polymeric acid having two or more pKa values or salt(s) thereof or at least one non-polymeric base having two or more pKb values or salt(s) thereof; and (b) at least one physiologically acceptable volatile medium. The composition according to the present invention is stable, and can have a variety of cosmetic functions.
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公开(公告)号：US20250057739A1
公开(公告)日：2025-02-20
申请号：US18721076
申请日：2022-12-09
Applicant: L'Oreal
Inventor： Takehiko Kasai , Nathalie Boileau-Lete , Toshifumi Shiroya , Hidehiko Asanuma , Shinsuke Okuda , Tatsushi Isojima , Mariko Yamamoto
Abstract: The present invention relates to a composition comprising: (a-1) at least one cationic polymer, (a-2) at least one monovalent non-polymeric acid or a salt thereof, (a-3) water, (b-1) at least one oil, and (b-2) at least one fatty acid. The composition according to the present invention is stable even when it comprises a relatively large amount of oil, such as up to 40% by weight relative to the total weight of the composition.
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公开(公告)号：US12102699B2
公开(公告)日：2024-10-01
申请号：US17271158
申请日：2019-08-09
Applicant: L'OREAL
Inventor： Takehiko Kasai , Toshifumi Shiroya , Shoji Maruyama , Hidehiko Asanuma
CPC classification number: A61K8/046 , A45D34/00 , A61K8/362 , A61K8/55 , A61K8/731 , A61Q5/02 , A61Q19/00 , B05B7/0018 , A45D2200/056 , A61K2800/87
Abstract: The present invention relates to a foaming composition comprising: (a) at least one cationic polysaccharide; (b) at least one crosslinker having three or more acid groups or salt thereof; (c) at least one oil; and (d) at least one physiologically acceptable volatile medium, wherein the amount of the (c) oil(s) in the composition is 10% by weight or more, preferably 15% by weight or more, and more preferably 20% by weight or more, relative to the total weight of the composition. The composition according to the present invention can form a foam which is stable over time.
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公开(公告)号：US11819564B2
公开(公告)日：2023-11-21
申请号：US16619887
申请日：2018-06-08
Applicant: L'Oreal
Inventor： Toshifumi Shiroya , Hidehiko Asanuma , Takehiko Kasai
CPC classification number: A61K8/92 , A61K8/062 , A61K8/731 , A61K8/733 , A61K8/735 , A61K8/736 , A61K8/8152 , A61K8/8164 , A61K8/88 , A61Q19/007
Abstract: The present invention relates to a composition, preferably a cosmetic composition, and more preferably a skin cosmetic composition, comprising: (a) at least one particle, comprising at least one cationic polymer and at least one anionic polymer, at least one cationic polymer and at least one amphoteric polymer, at least one anionic polymer and at least one amphoteric polymer, or at least one amphoteric polymer, and at least one non-polymeric acid having two or more pKa values or salt(s) thereof or at least one non-polymeric base having two or more pKb values or salt(s) thereof; (b) at least one oil; and (c) water. The composition according to the present invention is stable, and can have a variety of cosmetic functions. For example, the composition according to the present invention can prepare a film which can have cosmetic effects such as moisturizing due to the oil(s).
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10.发明申请公开(公告)号：US20200155426A1
公开(公告)日：2020-05-21
申请号：US16618755
申请日：2018-06-08
Applicant: L'Oreal
Inventor： Toshifumi Shiroya , Hidehiko Asanuma , Takehiko Kasai
Abstract: The present invention relates to a composition, preferably a cosmetic composition, and more preferably a skin cosmetic composition, comprising: (a) at least one particle, comprising at least one cationic polymer, at least one anionic polymer and at least one non-polymeric base having two or more pKb values or salt(s) thereof; and (b) at least one physiologically acceptable volatile medium. The composition according to the present invention is stable, and can have a variety of cosmetic functions.
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