发明授权
- 专利标题: Water-soluble phenol/formaldehyde condensation products
- 专利标题(中): 水溶性苯酚/甲醛缩合产物
-
申请号: US774455申请日: 1977-03-04
-
公开(公告)号: US4101489A公开(公告)日: 1978-07-18
- 发明人: Gunther Reitz , Gunther Boehmke
- 申请人: Gunther Reitz , Gunther Boehmke
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX2609531 19760308
- 主分类号: B01F17/00
- IPC分类号: B01F17/00 ; B01F17/52 ; C08G8/00 ; C08G8/28 ; C08L61/10 ; C09B67/46 ; D06P1/56 ; C08L61/08
摘要:
Water-soluble condensation products which are obtained by reacting mononuclear phenol/formaldehyde/bisulphite condensation products with formaldehyde and, if appropriate, notrogen-containing compounds of a type which can react with at least 2 equivalents of formaldehyde, can be used as dispersing agents.
公开/授权文献
信息查询