发明授权
US4914167A Polymeric organic acids, their preparation and their use in detergents
and cleansers
失效
聚合有机酸，它们的制备及其在洗涤剂和清洁剂中的应用
- 专利标题： Polymeric organic acids, their preparation and their use in detergents and cleansers
- 专利标题（中）： 聚合有机酸，它们的制备及其在洗涤剂和清洁剂中的应用
-
申请号： US752013申请日： 1985-07-08
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公开(公告)号： US4914167A公开(公告)日： 1990-04-03
- 发明人: Juergen Hambrecht , Heinrich Hartmann , Walter Denzinger , Albert Hettche , Wolfgang Trieselt , Rolf Schneider
- 申请人： Juergen Hambrecht , Heinrich Hartmann , Walter Denzinger , Albert Hettche , Wolfgang Trieselt , Rolf Schneider
- 申请人地址： DEX Ludwigshafen
- 专利权人： BASF Aktiengesellschaft
- 当前专利权人： BASF Aktiengesellschaft
- 当前专利权人地址： DEX Ludwigshafen
- 优先权： DEX3140383 19811010
- 主分类号： C08F2/02
- IPC分类号： C08F2/02 ; C08F220/04 ; C11D3/37
摘要：
Organic polyacids are prepared from monomeric monofunctional acids, such as acrylic acid or methacrylic acid and monomers without an acid group, with or without dicarboxylic acids or their anhydrides, by continuous free radical mass copolymerization under superatmospheric pressure at from 200.degree. to 400.degree. C., followed, if desired, by neutralization of the polyacids obtained. The polyacids obtained by the novel process are useful as phosphate substitutes and scale inhibitors in detergents and cleansers.
公开/授权文献
- US5719311A Catalytic processes for esterification of carboxylic acids 公开/授权日：1998-02-17