发明授权
- 专利标题： Composition comprising a tannin-containing copolymer
- 专利标题（中）： 含有单宁含量共聚物的组合物
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申请号： US246547申请日： 1994-05-20
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公开(公告)号： US5684109A公开(公告)日： 1997-11-04
- 发明人: Jen-Chi Chen , Fu Chen , Gerald C. Walterick, Jr.
- 申请人： Jen-Chi Chen , Fu Chen , Gerald C. Walterick, Jr.
- 申请人地址： PA Trevose
- 专利权人： BetzDearborn Inc.
- 当前专利权人： BetzDearborn Inc.
- 当前专利权人地址： PA Trevose
- 主分类号： C02F1/54
- IPC分类号： C02F1/54 ; C02F1/56 ; C08F8/00 ; C08F289/00 ; C09D7/00 ; C08H5/02
摘要：
Tannin containing polymers, their method of production and methods of using as water treatment agents are disclosed. The tannin containing polymers comprise copolymers of tannin and a cationic monomer. Another embodiment comprises tannin containing polymers of tannin, cationic monomer and at least one monomer selected from the group consisting of an anionic monomer and a nonionic monomer.
公开/授权文献
- US4856569A Machines for cutting end joints 公开/授权日：1989-08-15
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