发明公开
EP0423373A4 STYRENE DERIVATIVE AND METHOD OF PRODUCTION THEREOF, POLYSTYRENE DERIVATIVE PRODUCED THEREFROM AND METHOD OF PRODUCING THE SAME, AND ULTRAVIOLET ABSORBENT AND COSMETICS CONTAINING SAID POLYSTYRENE DERIVATIVE AS ACTIVE INGREDIENT
失效
苯乙烯衍生物及其生产方法，其生产的聚苯乙烯衍生物及其生产方法以及含有作为活性成分的固体聚苯乙烯衍生物的超紫外线吸收剂和化妆品
- 专利标题： STYRENE DERIVATIVE AND METHOD OF PRODUCTION THEREOF, POLYSTYRENE DERIVATIVE PRODUCED THEREFROM AND METHOD OF PRODUCING THE SAME, AND ULTRAVIOLET ABSORBENT AND COSMETICS CONTAINING SAID POLYSTYRENE DERIVATIVE AS ACTIVE INGREDIENT
- 专利标题（中）： 苯乙烯衍生物及其生产方法，其生产的聚苯乙烯衍生物及其生产方法以及含有作为活性成分的固体聚苯乙烯衍生物的超紫外线吸收剂和化妆品
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申请号： EP90907392申请日： 1990-04-25
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公开(公告)号： EP0423373A4公开(公告)日： 1991-11-13
- 发明人: NAKAYAMA, TOHRU , KAJIFUSA, NORIYUKI , HORINAKA, AKIO , YAMAGUCHI, HIDEO , FUJII, SETSURO
- 申请人： EARTH CHEMICAL CO., LTD.
- 申请人地址： 3218-12, SAKOSHI; AKO-SHI HYOGO 678-01
- 专利权人： EARTH CHEMICAL CO., LTD.
- 当前专利权人： EARTH CHEMICAL CO., LTD.
- 当前专利权人地址： 3218-12, SAKOSHI; AKO-SHI HYOGO 678-01
- 优先权： JP11003389 1989-04-27; JP12908589 1989-05-23; JP22594189 1989-08-30
- 主分类号： A61K8/81
- IPC分类号： A61K8/81 ; A61Q17/04 ; C07C281/14 ; C07C337/08 ; C07D207/32 ; C07D207/335 ; C07D207/337 ; C07D207/34 ; C07D307/52 ; C07D307/54 ; C07D333/22 ; C07D333/24 ; C07D337/08 ; C08F12/14 ; C08F12/26 ; A61K7/42 ; C09K3/00
摘要：
A styrene derivative represented by general formula (I), wherein one of R1 and R2 represents vinylbenzyl, and the other represents hydrogen, lower alkyl, C2 to C5 carboxyalkyl, or phenyl; R3 represents hydrogen, halogen, lower alkyl, carboxyl, C2 to C5 carboxyalkyl, C3 to C6 carboxyalkenyl, C1 to C4 alkylamino or nitro; Q represents sulfur or oxygen; and X represents (a), (b), (c) or (d).
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