发明授权
US3222245A Polyvinylsulfonates with alum as precipitants in the protein sizing of paper 失效
聚乙烯磺酸钠与明矾作为沉淀剂在纸的蛋白质上浆

  • 专利标题: Polyvinylsulfonates with alum as precipitants in the protein sizing of paper
  • 专利标题(中): 聚乙烯磺酸钠与明矾作为沉淀剂在纸的蛋白质上浆
  • 申请号: US42387265
    申请日: 1965-01-06
  • 公开(公告)号: US3222245A
    公开(公告)日: 1965-12-07
  • 发明人: FRANZ POSCHMANN
  • 申请人: BASF AG
  • 专利权人: Basf Ag
  • 当前专利权人: Basf Ag
  • 优先权: DEB0064596 1961-10-31
  • 主分类号: D21H17/22
  • IPC分类号: D21H17/22 D21H17/42 D21H17/66
Polyvinylsulfonates with alum as precipitants in the protein sizing of paper
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