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公开(公告)号：EP3834807A1
公开(公告)日：2021-06-16
申请号：EP19848364.6
申请日：2019-08-09
发明人： NAGARE, Yuko , UJIMOTO, Kei , NAGAI, Kouichi , ITO, Ryoya
IPC分类号： A61K8/45 , A61K8/06 , A61K8/35 , A61K8/37 , A61K8/40 , A61K8/41 , A61K8/49 , A61K8/86 , A61Q17/04
摘要： An objective of the present invention is to provide an emulsion cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, and conversely increase, due to heat applied in a usage environment. The present invention pertains to an emulsion cosmetic comprising (A) an ultraviolet protectant, (B) a prescribed alkylene oxide derivative, and (C) an ester oil.
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公开(公告)号：EP4082625A1
公开(公告)日：2022-11-02
申请号：EP20906957.4
申请日：2020-12-10
IPC分类号： A61Q17/04 , A61Q19/00 , A61K8/04 , A61K8/27 , A61K8/29 , A61K8/37 , A61K8/40 , A61K8/44 , A61K8/49 , A61K8/64 , A61K8/894
摘要： An objective of the invention is to provide a water-in-oil emulsion skin cosmetic having the property wherein contact with moisture, such as water or perspiration, increases the ultraviolet protection effects over those immediately after application, and also having an excellent feeling in use. The present invention relates to a water-in-oil emulsion skin cosmetic comprising (A) (a-1) a copolymer having silanol groups, and oxypropylene groups (PO) or oxyethylene groups (EO), and/or (a-2) a silylated peptide; and (B) an ultraviolet protectant.
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公开(公告)号：EP4417265A1
公开(公告)日：2024-08-21
申请号：EP22880798.8
申请日：2022-09-29
发明人： UJIMOTO, Kei , SAKAE, Heini
摘要： To provide a cosmetic composition having further improved ultraviolet absorption ability in the UVA and UVB regions.
The cosmetic composition is composed of components (i) and (ii) described below, and an oil content which is capable of at least partially dissolving these components:
(i) a first compound, which has a structure of formula (I) below:
where -OA represents an alkoxy group, and
(ii) a second compound, which is different from the first compound, has a structure of any of (II-1), (II-2), (II-3), and (II-4) described below, and has a molecular weight of 250 or more:
where the benzene ring may have a substituent.-
公开(公告)号：EP4417185A1
公开(公告)日：2024-08-21
申请号：EP22880797.0
申请日：2022-09-29
发明人： UJIMOTO, Kei , SAKAE, Heini
摘要： Provided is a cosmetic composition having further improved ultraviolet absorption ability in the entirety of the UVA and UVB regions.
The cosmetic composition is composed of components (i) to (iii) below, and an oil content which is capable of at least partially dissolving the component (i):
(i) a compound I having a structure of formula (I) below:
where -OA represents an alkoxy group,
(ii) ultraviolet scattering agent particles, and
(iii) a dispersant, wherein
a content of the ultraviolet scattering agent particles is more than 7.0% by mass, and
the dispersant contains at least one dispersant selected from the group consisting of polyhydroxystearic acid, isostearic acid, a polyglyceryl-based dispersant, and a sorbitan-based dispersant.-
公开(公告)号：EP3834811A1
公开(公告)日：2021-06-16
申请号：EP19847772.1
申请日：2019-08-09
发明人： ITO, Ryoya , NAGAI, Kouichi , UJIMOTO, Kei , NAGARE, Yuko
IPC分类号： A61K8/86 , A61K8/25 , A61K8/27 , A61K8/29 , A61K8/35 , A61K8/36 , A61K8/37 , A61K8/39 , A61K8/40 , A61K8/44 , A61K8/49 , A61K8/73 , A61Q17/04
摘要： The present invention relates to a cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, but conversely increase, due to coming into contact with moisture such as water or perspiration, and due to heat applied in the usage environment. The cosmetic of the present invention contains
(A) an ultraviolet protectant;
(B) at least one compound that is water-soluble and that has an IOB of 5.0 or lower, selected from among (i) alkylene oxide derivatives and (ii) polyhydric alcohols; and
(C) an oil phase thickener;
wherein
the mass ratio of component (A)/component (B) is 20 or lower; and
the (B) (i) alkylene oxide derivatives are polyoxyalkylene/polyoxyethylene copolymer dialkyl ethers represented by the following formula (I):
R 1 O-[(AO) m (EO) n ]-R 2 (I)
wherein R 1 and R 2 , each independently, denote a hydrogen atom or a hydrocarbon group having one to four carbon atoms, AO denotes an oxyalkylene group having three or four carbon atoms, EO denotes an oxyethylene group, 1 ≤ m ≤ 70, 1 ≤ n ≤ 70 and m + n ≤ 40.-
公开(公告)号：EP3834812A1
公开(公告)日：2021-06-16
申请号：EP19846782.1
申请日：2019-08-09
发明人： NAGAI, Kouichi , UJIMOTO, Kei , NAGARE, Yuko , ITO, Ryoya , TOUATI, Marianne Ayaka , YAMAKI, Satoshi
摘要： The present invention relates to a cosmetic in which the ultraviolet protection effects are increased by heat, and a method for manufacture thereof. The manufacturing method of the present invention includes
(1) a step of preparing a sample composition containing (A) an ultraviolet protectant and (B) one or more humectants that have an IOB of 5.0 or lower and that are selected from among alkylene oxide derivatives and polyhydric alcohols; and
(2) a step of selecting a sample composition in which ultraviolet protection effects are increased after heat treatment in comparison to before heat treatment, in accordance with an evaluation method including the following steps (i) to (iv):
(i) a step of forming a coating film of the sample composition on a substrate,
(ii) a step of heat-treating the coating film of the sample composition,
(iii) a step of measuring ultraviolet protection effects of the coating film of the sample composition that has not been heat-treated and of the coating film of the sample composition that has been heat-treated, and
(iv) a step of comparing the measured ultraviolet protection effects.-
公开(公告)号：EP3834810A1
公开(公告)日：2021-06-16
申请号：EP19847617.8
申请日：2019-08-09
IPC分类号： A61K8/86 , A61K8/06 , A61K8/27 , A61K8/29 , A61K8/35 , A61K8/37 , A61K8/39 , A61K8/40 , A61K8/44 , A61K8/49 , A61Q17/04
摘要： Provided is an emulsion cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects do not decrease, and conversely increase, due to heat applied in a usage environment. The present invention pertains to an emulsion cosmetic comprising (A) an ultraviolet protectant, (B) a polyhydric alcohol having an IOB value of 5.0 or lower, and (C) an ester oil having an IOB value of 0.3 or higher.
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公开(公告)号：EP3834809A1
公开(公告)日：2021-06-16
申请号：EP19847047.8
申请日：2019-08-09
IPC分类号： A61K8/86 , A61K8/06 , A61K8/27 , A61K8/29 , A61K8/35 , A61K8/37 , A61K8/39 , A61K8/40 , A61K8/44 , A61K8/49 , A61Q17/04
摘要： The present invention relates to an oil-based cosmetic having the innovative, unprecedented property in which the ultraviolet protection effects increase due to heat. The oil-based cosmetic of the present invention contains
(A) an ultraviolet protectant; and
(B) at least one compound that is water-soluble and that has an IOB of 5.0 or lower, selected from among (i) alkylene oxide derivatives and (ii) polyhydric alcohols; wherein
the (B) (i) alkylene oxide derivatives are polyoxyalkylene/polyoxyethylene copolymer dialkyl ethers represented by the following formula (I):
R 1 O-[(AO) m (EO) n ]-R 2 (I)
wherein R 1 and R 2 , each independently, denote a hydrogen atom or a hydrocarbon group having one to four carbon atoms, AO denotes an oxyalkylene group having three or four carbon atoms, EO denotes an oxyethylene group, 1 ≤ m ≤ 70, 1 ≤ n ≤ 70 and m + n ≤ 40; and
the oil-based cosmetic has a water content of 5% by mass or less.
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