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公开(公告)号：US3653931A
公开(公告)日：1972-04-04
申请号：US3653931D
申请日：1970-12-30
申请人： MILES LAB
CPC分类号： C23F11/08
摘要： The clean surface of metals, such as copper and coppercontaining alloys, can be protected from tarnishing by a composition containing a mixture of a surfactant, benzotriazole, sodium bisulfite and ethylenediaminetetraacetic acid. This composition is generally mixed with water and the clean metal surface is dipped in or otherwise contacted with the aqueous solution.
摘要翻译： 可以通过含有表面活性剂，苯并三唑，亚硫酸氢钠和乙二胺四乙酸的混合物的组合物来保护金属的清洁表面，例如铜和含铜合金。 该组合物通常与水混合，并将清洁的金属表面浸入或以其他方式与水溶液接触。
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2.发明授权
公开(公告)号：US3639646A
公开(公告)日：1972-02-01
申请号：US3639646D
申请日：1969-03-28
申请人： MILES LAB
CPC分类号： C23F11/149
摘要： THE CLEAN SURFACE OF METALS, SUCH AS COPPER AND COPPER-CONTAINING ALLOY ARTICLES, CAN BE PROTECTED FROM TARNISHING BY CONTACTING SUCH SURFACE WITH A CONDENSATION PRODUCT OF DYCYANDIAMIDE AND FORMALDEHYDE. THE PREFERRED COMPOSITION FOR USE IN THIS PROCESS CONTAINS THE CONDENSATION PRODUCT AND A NONIONIC OR ANIONIC SURFACTANT. THIS COMPOSITION IS GENERALLY MIXED WITH WATER AND THE CLEAN SURFACE IS DIPPED IN OR OTHERWISE CONTACTED WITH THE AQUEOUS SOLUTION.
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3.发明授权Process for improving the strength of wool or silk fibers and products thereof 失效改善羊毛或丝绸纤维及其制品强度的方法
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