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Invention Grant
US3288775A Method of hardening gelatin by reacting with conjugated heterocyclic compounds containing halogen atoms and water-solubilizing acid groups 失效
通过与含有卤素原子和水溶性酸基团的共轭杂环化合物反应来硬化明胶的方法

  • Patent Title: Method of hardening gelatin by reacting with conjugated heterocyclic compounds containing halogen atoms and water-solubilizing acid groups
  • Patent Title (中): 通过与含有卤素原子和水溶性酸基团的共轭杂环化合物反应来硬化明胶的方法
  • Application No.: US18458162
    Application Date: 1962-04-02
  • Publication No.: US3288775A
    Publication Date: 1966-11-29
  • Inventor: WALTER ANDERAU , ALFRED OETIKER
  • Applicant: CIBA LTD
  • Assignee: Ciba Ltd
  • Current Assignee: Ciba Ltd
  • Priority: US18458162 1962-04-02; CH407461 1961-04-07
  • Main IPC: G03C1/30
  • IPC: G03C1/30
Method of hardening gelatin by reacting with conjugated heterocyclic compounds containing halogen atoms and water-solubilizing acid groups
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