发明授权
US3029121A Process of coloring by oxidizing solid polyesters of terephthalic acid and glycols and reacting with hydrazine compounds and products produced thereby 失效
通过氧化对苯二甲酸和二醇的固体聚酯进行着色并与肼化合物反应并使之产生的产物着色的方法

  • 专利标题: Process of coloring by oxidizing solid polyesters of terephthalic acid and glycols and reacting with hydrazine compounds and products produced thereby
  • 专利标题(中): 通过氧化对苯二甲酸和二醇的固体聚酯进行着色并与肼化合物反应并使之产生的产物着色的方法
  • 申请号: US80488959
    申请日: 1959-04-08
  • 公开(公告)号: US3029121A
    公开(公告)日: 1962-04-10
  • 发明人: COLLINS ROBERT J
  • 申请人: DU PONT
  • 专利权人: Du Pont
  • 当前专利权人: Du Pont
  • 优先权: US80488959 1959-04-08
  • 主分类号: C08L67/00
  • IPC分类号: C08L67/00 C09B26/00 D06M11/50 D06M11/63 D06P3/52
Process of coloring by oxidizing solid polyesters of terephthalic acid and glycols and reacting with hydrazine compounds and products produced thereby
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