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1. 发明专利

JP2008195871A Water-erasable black ink composition and water-erasable india ink composition for painting and writing 有权
标题翻译：水溶性黑色墨水组合物和水溶性印度墨水组合物，用于绘画和书写
公开(公告)号：JP2008195871A
公开(公告)日：2008-08-28
申请号：JP2007033979
申请日：2007-02-14
申请人： Hodogaya Chem Co Ltd , Kuretake Co Ltd , 保土谷化学工業株式会社 , 株式会社呉竹
发明人： YOSHIKAWA KATSUMASA , SASAKI KATSUHIRO , NODA MORIHIRO , MIURA JOJI , SAKAI RYOICHI , ONISHI MIDORI
IPC分类号： C09D11/08 , C09D11/033 , C09D11/16 , C09D11/17
摘要： PROBLEM TO BE SOLVED: To provide a water-erasable black ink composition comprising a specific natural pigment and a specific solubilizing agent, giving good black color and easily erasable by washing even when mishandled to put on clothes. SOLUTION: A water-erasable black ink composition comprises a cacao pigment and a gardenia blue pigment and has a composition comprising 1-40 mass% of a natural pigment prepared by compounding 45-65 mass% cacao pigment and 35-55 mass% gardenia blue pigment; 5-40 mass% at least one solubilizing agent selected from the group consisting of starches, sugar and glycols; and the rest practically comprising an aqueous medium. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供包含特定天然颜料和特定增溶剂的可水可擦黑色油墨组合物，即使在处理不当以穿上衣服时也能通过洗涤容易地擦除黑色。水溶性黑色油墨组合物包含可可色素和栀子蓝颜料，其组成包含1-40质量％的天然颜料，其通过配混45-65质量％可可颜料和35-55质量％栀子蓝颜料％ 5-40质量％的至少一种选自淀粉，糖和二醇的增溶剂; 其余实际上包含水性介质。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2008163147A Water-erasable indian ink composition for painting and writing 有权
标题翻译：用于绘画和书写的水溶性印度墨水组合物
公开(公告)号：JP2008163147A
公开(公告)日：2008-07-17
申请号：JP2006353111
申请日：2006-12-27
申请人： Hodogaya Chem Co Ltd , Kuretake Co Ltd , 保土谷化学工業株式会社 , 株式会社呉竹
发明人： YOSHIKAWA KATSUMASA , SASAKI KATSUHIRO , NODA MORIHIRO , MIURA JOJI , SAKAI RYOICHI , ONISHI MIDORI
IPC分类号： C09D11/00
摘要： PROBLEM TO BE SOLVED: To provide a water-erasable Indian ink composition for paintings and writings, easily erasable by washing when accidentally attached on clothing and capable of keeping color black after written on Japanese writing paper.
SOLUTION: The water-erasable Indian ink composition for paintings and writings comprises an acid dye and an aqueous medium, wherein the acid dye has two or more sulfonic groups in the structure and comprises three or more including an azo (except ones whose aromatic ring is substituted with alkyl, nitro, amino or alkoxy) or triphenylmethane-based red dye, a yellow dye and a blue dye and these are compounded at a ratio of 28-65 mass% red dye, 13-46 mass% yellow dye and 15-38 mass% blue dye.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于绘画和写作的水可擦印的印度油墨组合物，当被意外地装在衣服上时可以通过洗涤容易地擦去，并且能够在日文书写纸上写入后保持颜色黑色。解决方案：用于绘画和着作的水可擦印的印度油墨组合物包含酸性染料和水性介质，其中酸性染料在结构中具有两个或更多个磺酸基，并且包含三个或更多个包括偶氮（除了芳香环被烷基，硝基，氨基或烷氧基取代）或三苯基甲烷系红色染料，黄色染料和蓝色染料，并以28-65质量％的红色染料，13-46质量％的黄色染料和15-38质量％的蓝色染料。版权所有（C）2008，JPO＆INPIT

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