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    • 24. 发明授权
    • Metal loss inhibitor formulations and processes
    • 金属损失抑制剂配方和工艺
    • US08580724B2
    • 2013-11-12
    • US13316640
    • 2011-12-12
    • David R. McCormickRonald F. Dubs
    • David R. McCormickRonald F. Dubs
    • C11D1/72C11D3/26C11D3/30
    • C23G1/06C11D1/72C11D3/0073C11D3/2041C11D3/2075C11D3/2086C11D3/28C11D3/33C11D3/349C11D3/3707C11D11/0029C23F1/44C23F11/10C23G1/088C23G1/18C23G1/19
    • In one embodiment, a metal loss inhibitor concentrate is provided which contains water, (A) a component of dissolved organic compounds and polymers that contain at least two hydroxy moieties per molecule and an average of at least 0.4 hydroxy moieties per carbon atom; (B) a thiourea component; and (C) a dissolved component containing aryl and quaternary ammonium moieties; and, optionally: (D) a wetting agent, such as a component of an ethoxylate of an alcohol. Such solutions form useful inhibitor concentrates when combined with aqueous chelating cleaning solutions, wherein such solutions, when contacted with a metal surface, are effective in removing scale, smut and other deposits from the metal surface but exhibit a reduced tendency to attack or unduly etch the metal itself, or to inhibit the subsequent desired oxidation and dissolution of metallic copper deposits.
    • 在一个实施方案中,提供含有水的金属损失抑制剂浓缩物,(A)溶解的有机化合物的组分和每分子含有至少两个羟基部分和每个碳原子平均至少0.4个羟基部分的聚合物; (B)硫脲组分; 和(C)含有芳基和季铵部分的溶解组分; 和任选地:(D)润湿剂,例如醇的乙氧基化物的组分。 当与水性螯合清洁溶液结合时,这种溶液形成有用的抑制剂浓缩物,其中当与金属表面接触时,这样的溶液有效地从金属表面去除垢,污迹和其它沉积物,但是表现出降低的侵蚀倾向或过度蚀刻 金属本身,或抑制随后期望的金属铜沉积物的氧化和溶解。
    • 29. 发明授权
    • Aqueous highly acidic hard surface cleaning compositions
    • 水性高酸性硬表面清洗组合物
    • US08193138B2
    • 2012-06-05
    • US12444210
    • 2007-11-30
    • Farid Ahmad Nekmard
    • Farid Ahmad Nekmard
    • C11D17/00
    • C11D3/2075C11D1/72C11D3/2068C11D3/2082C11D3/349C11D3/43
    • Provided are highly aqueous liquid acidic hard surface cleaning compositions having a pH of about 3 or less which comprise: an acid constituent, preferably comprising a ternary acid system consisting formic acid, sulfamic acid and oxalic acid, optionally at least one or more further co-acids; at least one nonionic surfactant based on monobranched alkoxylated C10/C11-fatty alcohols; an organic solvent constituent which comprises at least one glycol ether solvent, preferably a glycol ether solvent which desirably mitigates or masks malodors of the acid constituent, especially when the acid constituent comprises formic acid; optionally a cosurfactant constituent, including one or more nonionic, cationic, amphoteric or zwitterionic surfactants but preferably one or more nonionic surfactants and excluding cationic, amphoteric or zwitterionic surfactants; optionally one or more further constituents selected coloring agents, fragrances and fragrance solubilizers, viscosity modifying agents including one or more thickeners, pH adjusting agents and pH buffers including organic and inorganic salts, optical brighteners, opacifying agents, hydrotropes, abrasives, and preservatives, as well as other optional constituents known to the art; and the balance, water, wherein water comprises at least 80% wt. of the composition.
    • 本发明提供了一种pH为约3或更低的高含水液体酸性硬表面清洗组合物,其包含:酸组分,优选含有由甲酸,氨基磺酸和草酸组成的三元酸体系,任选至少一种或多种, 酸; 至少一种基于单链烷氧基化的C10 / C11-脂肪醇的非离子表面活性剂; 包含至少一种二醇醚溶剂,优选二醇醚溶剂的有机溶剂成分,其优选减轻或掩蔽酸组分的恶臭,特别是当酸组分包含甲酸时; 任选的辅助表面活性剂组分,包括一种或多种非离子,阳离子,两性或两性离子表面活性剂,但优选一种或多种非离子表面活性剂,不包括阳离子,两性或两性离子表面活性剂; 任选的一种或多种其它成分选择着色剂,香料和香料增溶剂,粘度调节剂,包括一种或多种增稠剂,pH调节剂和pH缓冲剂,包括有机和无机盐,荧光增白剂,遮光剂,水溶助长剂,研磨剂和防腐剂,如 以及本领域已知的其它任选成分; 和余量,水,其中水包含至少80重量% 的组成。