发明授权
US4692267A Use of polymers of alkylvinyl ethers to prevent or eliminate foam on
aqueous media
失效
使用烷基乙烯基醚的聚合物来防止或消除含水介质上的泡沫
- 专利标题: Use of polymers of alkylvinyl ethers to prevent or eliminate foam on aqueous media
- 专利标题(中): 使用烷基乙烯基醚的聚合物来防止或消除含水介质上的泡沫
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申请号: US797637申请日: 1985-11-13
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公开(公告)号: US4692267A公开(公告)日: 1987-09-08
- 发明人: Jurgen Fock , Eberhard Esselborn , Hans-Ferdi Fink , Wernfried Heilen
- 申请人: Jurgen Fock , Eberhard Esselborn , Hans-Ferdi Fink , Wernfried Heilen
- 申请人地址: DEX Essen
- 专利权人: TH. Goldschmidt AG
- 当前专利权人: TH. Goldschmidt AG
- 当前专利权人地址: DEX Essen
- 优先权: DEX3442727 19841123
- 主分类号: B01D19/04
- IPC分类号: B01D19/04 ; C09K3/00
摘要:
Method of using polymers of alkylvinyl ethers whose alkyl radical has 2 to 18 carbon atoms with a weight average molecular weight M.sub.w of 400 to 10,000 in amounts of 1 to 200 ppm for preventing or eliminating foam on aqueous media.
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