利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

5 条记录 (耗时 0.009 秒)

    Process for the preparation of novel diol-functionalized UV absorbers
    1.
    发明授权
    Process for the preparation of novel diol-functionalized UV absorbers 失效
    制备新型二醇官能化紫外线吸收剂的方法

    公开(公告)号：US06756499B2

    公开(公告)日：2004-06-29

    申请号：US09749276

    申请日：2000-12-27

    申请人： Paragkumar Nathalal Thanki ,  Raj Pal Singh

    发明人： Paragkumar Nathalal Thanki ,  Raj Pal Singh

    IPC分类号： C07D24918

    CPC分类号： C07D249/20

    摘要： The invention pertains to a process for the preparation of a novel UV absorbing diol of the general formula: wherein R1 is hydrogen, tert-butyl; X1 is selected the group consisting of hydrogen, halogen, tert-butyl and C1 to C12 alkoxy; R2 is C1 to C8 linear or branched alkyl.

    摘要翻译： 本发明涉及制备通式如下的新型紫外线吸收二醇的方法：其中R1是氢，叔丁基; X1选自氢，卤素，叔丁基和C1至C12烷氧基; R2为C1〜C8直链或支链烷基。

    2-hydroxyphenyl benzotriazoles as UV-A/B filters
    2.
    发明授权
    2-hydroxyphenyl benzotriazoles as UV-A/B filters 有权
    2-羟基苯基苯并三唑作为UV-A / B过滤器

    公开(公告)号：US06489486B2

    公开(公告)日：2002-12-03

    申请号：US09765268

    申请日：2001-01-18

    申请人： Ulrich Huber

    发明人： Ulrich Huber

    IPC分类号： C07D24918

    CPC分类号： A61K8/496 ,  A61Q17/04 ,  C07D249/20

    摘要： The present invention relates to a process for the manufacture of compounds of Formula (I): wherein R1 is alkyl; R2, R3, R4, R5 and R6 are, independently, hydrogen, alkyl or alkenyl; X is hydrogen, halogen, alkyl or alkoxy; and the dotted bond is an optional bond. The present invention also relates to novel light screening compositions containing certain of the compounds of Formula (I) and to certain novel compounds of Formula (I), as well as other novel 2-substituted phenyl-benzotriazole compounds.

    摘要翻译： 本发明涉及制备式（I）化合物的方法：其中R1是烷基; R2，R3，R4，R5和R6独立地是氢，烷基或烯基; X是氢，卤素，烷基或烷氧基; 并且虚线键是可选的键。 本发明还涉及含有某些式（I）化合物和某些新的式（I）化合物以及其它新的2-取代的苯基 - 苯并三唑化合物的新型轻筛组合物。