发明授权
US2455674A Light stable compositions comprising polymeric vinylidene chloride and 2-hydroxy-5-chloro-benzophenone-2'-carboxylic acid 失效
包含聚偏二氯乙烯和2-羟基-5-氯 - 二苯甲酮-2'-羧酸的光稳定组合物

  • 专利标题: Light stable compositions comprising polymeric vinylidene chloride and 2-hydroxy-5-chloro-benzophenone-2'-carboxylic acid
  • 专利标题(中): 包含聚偏二氯乙烯和2-羟基-5-氯 - 二苯甲酮-2'-羧酸的光稳定组合物
  • 申请号: US79043647
    申请日: 1947-12-08
  • 公开(公告)号: US2455674A
    公开(公告)日: 1948-12-07
  • 发明人: HAVENS CARL B
  • 申请人: DOW CHEMCIAL COMPANY
  • 专利权人: Dow Chemcial Company
  • 当前专利权人: Dow Chemcial Company
  • 优先权: US79043647 1947-12-08
  • 主分类号: C08K5/136
  • IPC分类号: C08K5/136
Light stable compositions comprising polymeric vinylidene chloride and 2-hydroxy-5-chloro-benzophenone-2'-carboxylic acid
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