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1. 发明授权

US5599782A Soil release agents for granular laundry detergents 失效
标题翻译：颗粒状衣物洗涤剂用土壤脱模剂
公开(公告)号：US5599782A
公开(公告)日：1997-02-04
申请号：US576263
申请日：1995-12-21
申请人： Robert Y. L. Pan , Eugene P. Gosselink , Eugene J. Pancheri , Stephen W. Morrall
发明人： Robert Y. L. Pan , Eugene P. Gosselink , Eugene J. Pancheri , Stephen W. Morrall
IPC分类号： C08G63/688 , C11D3/00 , C11D3/37 , C11D17/06 , C11D1/02
CPC分类号： C08G63/6884 , C11D3/0036 , C11D3/3715
摘要： Improved soil release agents for granular laundry detergents, typically used at levels as low as about 1% of a fully-formulated anionic surfactant-containing granular detergent, are reaction products of transesterifying and oligomerizing mixtures of monomers having the functions MO.sub.3 SC.sub.6 H.sub.4 C(O)--, M'O.sub.3 SC.sub.6 H.sub.3 {C(O)O--}.sub.2, --(O)CC.sub.6 H.sub.4 C(O)-- and --OCH.sub.2 CH.sub.2 O-- wherein M and M' are independently selected from lithium, potassium and sodium, more preferably sodium; said mixtures having mole ratio of MO.sub.3 SC.sub.6 H.sub.4 C(O)-- to --(O)CC.sub.6 H.sub.4 C(O)-- of from about 0.2:1 to about 1.4:1, mole ratio of MO.sub.3 SC.sub.6 H.sub.4 C(O)-- to M'O.sub.3 SC.sub.6 H.sub.3 {C(O)O--}.sub.2 of from about 0.67:1 to about 20:1 and mole ratio of MO.sub.3 SC.sub.6 H.sub.4 C(O)-- to --OCH.sub.2 CH.sub.2 O-- of from about 0.007:1 to about 0.51:1 and being substantially free from monomers of formula HOROH wherein R is propylene or higher alkyl.
摘要翻译：用于粒状衣物洗涤剂的改进的去污剂通常以低至约1％的完全配制的含阴离子表面活性剂的颗粒洗涤剂的水平使用，是具有MO3SC6H4C（O） - ， M'O3SC6H3 {C（O）O-} 2， - （O）C16H4C（O） - 和-OCH2CH2O-，其中M和M'独立地选自锂，钾和钠，更优选钠; 所述混合物的MO 3 SC 6 H 4 C（O） - （O）C 6 H 4 C（O）的摩尔比为约0.2:1至约1.4:1摩尔比的MO 3 SC 6 H 4 C（O） - 与M'O 3 SC 6 H 3 {C（O）约为0.67:1至约20:1的摩尔比和MO 3 SC 6 H 4 C（O） - 至-OCH 2 CH 2 O的摩尔比为约0.007:1至约0.51:1，并且基本上不含式HOROH的单体，其中R 是丙烯或高级烷基。

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