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    5.
    发明专利
    未知

    公开(公告)号：DE59906492D1

    公开(公告)日：2003-09-11

    申请号：DE59906492

    申请日：1999-11-18

    Applicant: BASF AG

    Inventor： HABECK DR ,  WUENSCH DR ,  WESTENFELDER HORST

    IPC: A61K8/00 ,  A61K8/40 ,  A61Q17/00 ,  A61Q17/04 ,  C07C67/343 ,  C07C69/618 ,  C07C253/30 ,  C07C255/41 ,  C09K3/00 ,  A61K7/42

    Abstract: New oligomeric 4,4-diarylbutadiene carboxylic acid ester or amide sunscreen compounds. Oligomeric 4,4-diarylbutadiene carboxylic acid esters or amides of formula (I) are new. R1, R2 = H; aliphatic-, cycloaliphatic-, aromatic- or araliphatic- group; or carboxylate, sulfonate or ammonium; R3 = aliphatic, cycloaliphatic, aromatic, araliphatic or heterocyclic group; carbonyl, sulfonyl, phosphonyl, carboxylic acid ester or CN; Y = O or N(R4); R4 = H or aliphatic-, cycloaliphatic-, aromatic-,araliphatic or heterocyclic group; m = 2-10; n = 1-3 X = the residue of a polyol with 2-10 OH groups (corresponding to m). Am Independent claim is included for preparation of (I).

    6.
    发明专利
    未知

    公开(公告)号：DE59905819D1

    公开(公告)日：2003-07-10

    申请号：DE59905819

    申请日：1999-11-18

    Applicant: BASF AG

    Inventor： HABECK DR ,  PRECHTL DR ,  WUENSCH DR ,  WESTENFELDER HORST

    IPC: A61K8/00 ,  A61K8/30 ,  A61K8/40 ,  A61K8/49 ,  A61K31/275 ,  A61K31/277 ,  A61Q1/00 ,  A61Q1/04 ,  A61Q17/04 ,  A61Q19/00 ,  C07C255/37 ,  A61K7/42

    Abstract: alpha -Alkyl-styryl derivatives (I) are used as photostable UV-filter in cosmetic or pharmaceutical compositions for protecting the human skin or hair against the sun light, optionally combined with other components absorbing in the UV range. alpha -Alkyl-styryl derivatives of formula (I) are used as photostable UV-filter in cosmetic or pharmaceutical compositions for protecting the human skin or hair against the sun light, optionally combined with other components absorbing in the UV range. R , R = H, OH, NH2, 1-12C alkyl, 1-12C alkoxy, 1-12C alkylamino, 1-12C dialkylamino, water soluble substituents such as carboxylate, sulfonate or ammonium residues; R , R = COOR , COR , CONR R or CN; R = 1-12C alkyl; R , R = H, 1-12C alkyl, 2-10C alkenyl, 3-10C cycloalkyl, 3-10C cycloalkenyl, aryl or heteroaryl (all optionally substituted); A = O, S or NR B' = 1-12C alkylene, 4-12C cycloalkylene, 8-22C aralkylene, 9-21C monooxoaralkylene or -(X)n-Y'-; R = H or 1-12C alkyl; X = -(CH2)2-Z-, -(CH2)3-Z-, -CH(CH3)2-CH2-Z-, -(CH2)4-Z- or -CH2-CH(CH2-CH3)-Z-; Y' = -(CH2)2-, -(CH2)3-, -CH(CH3)-CH2-, -(CH2)4- or -CH2-CH(CH2-CH3)-; Z = O or S; n = 1-150; two of R , R and R = form 5- to 6-membered ring fused to the benzene ring. An Independent claim is also included for a sunscreen comprising the cosmetic and pharmaceutical composition for protecting the human epidermis and hair against UV light (280-400 nm) containing (I).

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