发明授权
US2477277A Composite lead sulfate-lead silicate pigment and process of manufacture 失效
复合硫酸铅铅硅酸盐颜料及其制造工艺

  • 专利标题: Composite lead sulfate-lead silicate pigment and process of manufacture
  • 专利标题(中): 复合硫酸铅铅硅酸盐颜料及其制造工艺
  • 申请号: US65753446
    申请日: 1946-03-27
  • 公开(公告)号: US2477277A
    公开(公告)日: 1949-07-26
  • 发明人: WILLIAMS FRANCIS JPITROT ADRIAN R
  • 申请人: NAT LEAD CO
  • 专利权人: Nat Lead Co
  • 当前专利权人: Nat Lead Co
  • 优先权: US65753446 1946-03-27
  • 主分类号: C09C1/14
  • IPC分类号: C09C1/14
Composite lead sulfate-lead silicate pigment and process of manufacture
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