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1. 发明授权

US5562850A Toilet bowl detergent system 失效
标题翻译：厕所洗涤剂系统
公开(公告)号：US5562850A
公开(公告)日：1996-10-08
申请号：US507577
申请日：1995-07-26
申请人： Ricky A. Woo , Daniel S. Cobb , Jeffrey L. Flora
发明人： Ricky A. Woo , Daniel S. Cobb , Jeffrey L. Flora
IPC分类号： C11D1/88 , C11D1/90 , C11D3/20 , C11D3/37 , C11D17/00 , C11D1/92
CPC分类号： C11D1/88 , C11D1/90 , C11D17/0056 , C11D3/2082 , C11D3/2086
摘要： Toilet bowl detergent compositions, preferably blocks of the "in-tank" or "rim-block" types, contain a cleaning system comprising: detergent surfactant of the amphoteric type, preferably zwitterionic, more preferably one that contains a carboxylate group and a cationic group, and even more preferably a fatty acid amidoalkylene betainc, and polycarboxylate chelating agent, preferably, citric acid, or similar polycarboxylic acid, are combined with some means of creating the desired concentration of the cleaning system in the toilet bowl water, preferably by means of blocks with a dissolution retarding system, preferably with the dissolution retarding system comprising a combination of water soluble cellulosic polymer, more preferably hydroxyethyl cellulose or hydroxypropyl cellulose and, polyethylene glycol containing polymer, any perfume present being selected to be mostly hydrophobic. The compositions have a pH, in use, of from about 4 to about 9 and the blocks are preferably extremely homogeneous. Processes for keeping toilet bowls clean are disclosed.
摘要翻译：厕所洗涤剂组合物，优选“罐内”或“边缘块”类型的块，包含清洁系统，其包含：两性类型的洗涤剂表面活性剂，优选两性离子的，更优选含有羧酸盐基团和阳离子基团的洗涤剂表面活性剂，甚至更优选脂肪酸酰氨基亚烷基甜菜碱和多羧酸盐螯合剂，优选柠檬酸或类似的多元羧酸，与在马桶水中产生所需浓度的清洁系统的一些方法组合，优选地通过具有溶解阻滞系统的块，优选地具有包含水溶性纤维素聚合物，更优选羟乙基纤维素或羟丙基纤维素和聚乙二醇含量聚合物的组合的溶解阻滞体系，任选存在的香料主要是疏水性的。组合物在使用中的pH为约4至约9，并且嵌段优选是非常均匀的。公开了保持厕所碗清洁的过程。

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