Use of sunscreen combinations comprising, as essential constituent, amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparations

    公开(公告)号:AU2800301A

    公开(公告)日:2001-09-20

    申请号:AU2800301

    申请日:2001-03-14

    Applicant: BASF AG

    Abstract: A photostable ultraviolet (UV) filter for protecting human skin or hair against sunlight contains as UV-A absorbing components a combination of a hydroxybenzophenone (I), optionally together with a 4,4-diaryl-butadiene (II); and other UV protectant(s) i.e. dibenzoylmethane, triazine, benzotriazole, benzimidazole, tetrahydroxybenzophenone and/or organosiloxane-benzal malonate derivatives. Use of a light-protectant combination of a UV-A absorber and further UV-A and/or UV-B absorbers is claimed as a photostable UV-filter in cosmetic or pharmaceutical preparations for protecting human skin or hair against sunlight, optionally used together with other conventional light protectants. First UV light absorber is a hydroxybenzophenone of formula (I), optionally together with a 4,4-diaryl-butadiene of formula (II); and other UV protectants including 4-(R6)-4'-(R7)-dibenzoylmethane, 1,3,5-triazine derivatives of formula (III), 2,4,6-triphenyl-1,3,5-triazines, in which the phenyl rings are bonded with at least one o-hydroxy group and at least one p-(1-20C) alkoxy group, 2,2'-dihydroxy-3,3'-bis-(1,2,3-benzotriazol-2-yl)-5,5'-bis-(1,1,3,3-te tramethylbutyl)-diphenylmethane, 1,4-bis-(5,6-disulfo-benzimidazol-2-yl)-benzene or its salts, 2-(2-hydroxy-3-(2-methyl-4,4-bis-(trimethylsilyloxy)-4-silapentyl)-5-m ethyl)-1,2,3-benzotriazole, 2,2',4,4'-tetrahydroxybenzophenone and/or siloxanes of formula (IV). R1, R2 = H, 1-20C alkyl, 3-10C cycloalkyl or 3-10C cycloalkenyl; or NR1R2 = 5-6 membered ring; R3 = 1-20C alkyl; R4, R5 = H, 1-20C alkyl, 3-10C cycloalkyl or 3-10C cycloalkenyl; R6 = 1-12C alkyl; R7 = H, 1-12C alkyl or 1-12C alkoxy; R8-R10 = optionally substituted 1-20C alkyl, 5-10C aryl, 5-10C heteroaryl or -Sp-Sil; Sp = spacer; Sil = silane, oligosilane or polysiloxane residue; X = O or NR11; R11 = H or optionally substituted 1-20C alkyl, 5-10C aryl, 5-10C heteroaryl; V = 3-(4-(2,2-bis-(ethoxycarbonyl)-vinyl)-phenoxy)-prop-1-en-1-yl or 3-(4-(2,2-bis-(ethoxycarbonyl)-vinyl)-phenoxy)-prop-1-en-2-yl; V' = V or Me; t = up to 100; u = up to 20; provided that u = 0 if V' = V or u = 1-20 if V' = Me. An Independent claim is also included for cosmetic or pharmaceutical preparations for protecting human epidermis or hair against UV light in the 280-400 nm range, comprising the UV absorbing combination, a carrier and optionally other conventional light protectants.

    Cosmetic and pharmaceutical preparations comprising photostable UV filt ers

    公开(公告)号:AU8936798A

    公开(公告)日:1999-05-06

    申请号:AU8936798

    申请日:1998-10-16

    Applicant: BASF AG

    Abstract: Photo-stable ultraviolet (UV) filters for cosmetic or pharmaceutical use consist of substituted alpha -methyl-styrene derivatives (I). The use of substituted alpha -methyl-styrene derivatives of formula (I), optionally in combination with conventional UV absorbers, as photo-stable UV filters in cosmetic or pharmaceutical preparations for protecting human skin or hair against sunlight is new. R1 = 4-10C alkoxy, 1-12C alkylamino, 1-12C dialkylamino (sic) or a water-solublizing group selected from carboxylate, sulfonate and ammonium residues; R2 = H, 2-10C alkyl or 1-12C alkoxy; R3,R4 = COOR5, COR5, CONR5R6 or CN, R4 and R5 being the same; R5,R6 = H, 1-12C alkyl, 2-10C alkenyl, 3-10C cycloalkyl, 3-10C cycloalkenyl, aryl or heteroaryl (optionally substituted). Independent claims are given for: (1) the use of (I) as photostable UV-A filters; (2) the use of (I) as UV stabilizers; (3) cosmetic and pharmaceutical compositions for protecting human epidermis or skin against UV light in the 280-400 nm region, comprising a carrier containing (I) (as photostable UV filter) and optionally conventional UV absorbers; (4) (I) for use as medicaments; and (5) pharmaceutical preparations containing (I).

    Cosmetic and pharmaceutical preparations comprising photostable UV filters

    公开(公告)号:AU755281B2

    公开(公告)日:2002-12-05

    申请号:AU8936798

    申请日:1998-10-16

    Applicant: BASF AG

    Abstract: Photo-stable ultraviolet (UV) filters for cosmetic or pharmaceutical use consist of substituted alpha -methyl-styrene derivatives (I). The use of substituted alpha -methyl-styrene derivatives of formula (I), optionally in combination with conventional UV absorbers, as photo-stable UV filters in cosmetic or pharmaceutical preparations for protecting human skin or hair against sunlight is new. R1 = 4-10C alkoxy, 1-12C alkylamino, 1-12C dialkylamino (sic) or a water-solublizing group selected from carboxylate, sulfonate and ammonium residues; R2 = H, 2-10C alkyl or 1-12C alkoxy; R3,R4 = COOR5, COR5, CONR5R6 or CN, R4 and R5 being the same; R5,R6 = H, 1-12C alkyl, 2-10C alkenyl, 3-10C cycloalkyl, 3-10C cycloalkenyl, aryl or heteroaryl (optionally substituted). Independent claims are given for: (1) the use of (I) as photostable UV-A filters; (2) the use of (I) as UV stabilizers; (3) cosmetic and pharmaceutical compositions for protecting human epidermis or skin against UV light in the 280-400 nm region, comprising a carrier containing (I) (as photostable UV filter) and optionally conventional UV absorbers; (4) (I) for use as medicaments; and (5) pharmaceutical preparations containing (I).

    17.
    发明专利
    未知

    公开(公告)号:PT858318E

    公开(公告)日:2001-10-30

    申请号:PT96937228

    申请日:1996-10-25

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP96/04637 Sec. 371 Date Apr. 29, 1998 Sec. 102(e) Date Apr. 29, 1998 PCT Filed Oct. 25, 1996 PCT Pub. No. WO97/17054 PCT Pub. Date May 15, 1997A sunscreen-containing cosmetic formulation to protect the human epidermis from UV light in the range from 280 to 400 nm, which formulation includes a cosmetically suitable carrier, together with compounds which absorb in the UV-B region and as photostable UV-A filters effective amounts of compounds of the formula I as defined in the specification.

    18.
    发明专利
    未知

    公开(公告)号:ES2158358T3

    公开(公告)日:2001-09-01

    申请号:ES96937228

    申请日:1996-10-25

    Applicant: BASF AG

    Abstract: PCT No. PCT/EP96/04637 Sec. 371 Date Apr. 29, 1998 Sec. 102(e) Date Apr. 29, 1998 PCT Filed Oct. 25, 1996 PCT Pub. No. WO97/17054 PCT Pub. Date May 15, 1997A sunscreen-containing cosmetic formulation to protect the human epidermis from UV light in the range from 280 to 400 nm, which formulation includes a cosmetically suitable carrier, together with compounds which absorb in the UV-B region and as photostable UV-A filters effective amounts of compounds of the formula I as defined in the specification.

Patent Agency Ranking