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1. 发明授权

US5520707A Methods for dyeing hair with anthraquinone hair dyes having a quaternary ammonium side chain 失效
标题翻译：用具有季铵侧链的蒽醌染发染发头发的方法
公开(公告)号：US5520707A
公开(公告)日：1996-05-28
申请号：US511669
申请日：1995-08-07
申请人： Mu-Ill Lim , Linas Stasaitis , Yuo-Guo Pan
发明人： Mu-Ill Lim , Linas Stasaitis , Yuo-Guo Pan
IPC分类号： A61K8/30 , A61K8/00 , A61K8/40 , A61K8/41 , A61Q5/02 , A61Q5/10 , C07C225/34 , C07D295/13 , C09B1/28 , D06P1/32 , D06P3/04 , A61K7/13
CPC分类号： C07D295/13 , A61K8/355 , A61Q5/065 , C07C225/34
摘要： Anthraquinone compounds of formula I ##STR1## wherein R.sub.1 and R.sub.2 are methyl and R.sub.3 is propyl, or R.sub.1 and R.sub.2 are ethyl and R.sub.3 is methyl and A.sup.- is a cosmetically acceptable anion, are useful for the dyeing of hair. Compounds of formula I may advantageously be employed with direct dyes. Compositions and a method of use employing same are disclosed.
摘要翻译：式I的蒽醌化合物其中R1和R2是甲基，R3是丙基，或R1和R2是乙基，R3是甲基，A-是化妆品上可接受的阴离子，可用于染发。式I的化合物可有利地与直接染料一起使用。公开了组合物和使用它们的使用方法。

2. 发明授权

US5420362A Synthesis of 2-methyl-1-naphthol 失效
标题翻译： 2-甲基-1-萘酚的合成
公开(公告)号：US5420362A
公开(公告)日：1995-05-30
申请号：US133352
申请日：1993-10-08
申请人： Mu-Ill Lim , Linas Stasaitis , Yuo-Guo Pan , Alexander Chan
发明人： Mu-Ill Lim , Linas Stasaitis , Yuo-Guo Pan , Alexander Chan
IPC分类号： C07C37/00 , C07C37/11 , C07C39/14
CPC分类号： C07C37/11 , C07C37/001
摘要： 4-Halo-1-naphthol is reacted with a secondary amine and formaldehyde to produce a reaction mixture containing a Mannich base which is hydrogenated to produce 2-methyl-1-naphthol. Advantageously, the procedure can be carried out in one pot.
摘要翻译： 4-卤-1-萘酚与仲胺和甲醛反应以产生含有曼尼希碱的反应混合物，氢化得到2-甲基-1-萘酚。有利地，该程序可以在一个锅中进行。

3. 发明授权

US5891200A Hair dye compositions containing anthraquinone dyes having a quaternary ammonium side chain and neutral direct dyes 失效
标题翻译：含有具有季铵侧链和中性直接染料的蒽醌染料的染发剂组合物
公开(公告)号：US5891200A
公开(公告)日：1999-04-06
申请号：US606670
申请日：1996-02-26
申请人： Mu-Ill Lim , Linas Stasaitis , Yuo-Guo Pan
发明人： Mu-Ill Lim , Linas Stasaitis , Yuo-Guo Pan
IPC分类号： A61K8/30 , A61K8/00 , A61K8/40 , A61K8/41 , A61Q5/02 , A61Q5/10 , C07C225/34 , C07D295/13 , C09B1/28 , D06P1/32 , D06P3/04 , A61K7/13
CPC分类号： C07D295/13 , A61K8/355 , A61Q5/065 , C07C225/34
摘要： Anthraquinone compounds of formula I ##STR1## wherein R.sub.1 and R.sub.2 are methyl and R.sub.3 is propyl, or R.sub.1 and R.sub.2 are ethyl and R.sub.3 is methyl and A is a cosmetically acceptable anion, are combined neutral, with semipermanent direct dyes in hair dyeing compositions.
摘要翻译：式I的蒽醌化合物其中R 1和R 2是甲基且R 3是丙基，或R 1和R 2是乙基，R 3是甲基，A是化妆品上可接受的阴离子，是中性的，与染发组合物中的半永久直接染料。

4. 发明授权

US5670698A Synthesis of 1-acetoxy-2-methylnaphthalene 失效
标题翻译： 1-乙酰氧基-2-甲基萘的合成
公开(公告)号：US5670698A
公开(公告)日：1997-09-23
申请号：US699259
申请日：1996-08-19
申请人： Mu-Ill Lim , Yuh-Guo Pan , Linas Stasaitis , James Anderson
发明人： Mu-Ill Lim , Yuh-Guo Pan , Linas Stasaitis , James Anderson
IPC分类号： C07C67/297 , C07C69/157 , C07C69/00
CPC分类号： C07C67/297 , C07C67/18
摘要： A one pot process is provided in which a Mannich base of the formula 5 is reacted with acetic anhydride to produce a diacetate derivative. Without any intermediate isolation, the derivative is hydrogenated to produce a reaction mixture containing 1-acetoxy-2-methylnaphthalene which is readily precipitated from the reaction mixture by addition of water. ##STR1##
摘要翻译：提供一锅法，其中式5的曼尼希碱与乙酸酐反应以产生二乙酸酯衍生物。在不进行任何中间分离的情况下，将衍生物氢化以产生含有1-乙酰氧基-2-甲基萘的反应混合物，其通过加入水容易地从反应混合物中沉淀。 5

5. 发明授权

US5486619A Method of producing DAI from DOPA, using one reaction vessel 失效
标题翻译：使用一个反应容器从DOPA生产DAI的方法
公开(公告)号：US5486619A
公开(公告)日：1996-01-23
申请号：US235763
申请日：1994-04-29
申请人： Gottfried Wenke , Yuh-Guo Pan , Mu-Ill Lim , Linas Stasaitis
发明人： Gottfried Wenke , Yuh-Guo Pan , Mu-Ill Lim , Linas Stasaitis
IPC分类号： C07D209/08
CPC分类号： C07D209/08
摘要： A method of producing and isolating 5,6-diacetoxyindole (DAI) in a single reaction vessel comprising the following steps:(a) preparing a first solution comprising dopa, water and a solubilizing agent selected from the group consisting of an acid having a pk.sub.a value equal to or less than 4 and a first base having a pk.sub.b value equal to or greater than 10;(b) preparing a second solution comprising an oxidant, a buffer and water;(c) mixing the first and second solutions to form a combined solution which is rendered oxygen-free and has a pH of from about 6 to about 9;(d) stirring the combined solution in an inert atmosphere until 5,6-dihydroxyindole (DHI) is substantially completely formed;(e) adding a derivatizing agent and a second base to the combined solution to form a final solution;(f) stirring the final solution until the DHI is substantially fully consumed;(g) cooling the final solution to precipitate DAI;(h) isolating the precipitated DAI.
摘要翻译：一种在单个反应容器中生产和分离5,6-二乙酰氧基吲哚（DAI）的方法，包括以下步骤：（a）制备包含多巴，水和增溶剂的第一溶液，所述第一溶液选自具有pka 值等于或小于4，以及pkb值等于或大于10的第一碱基; （b）制备包含氧化剂，缓冲剂和水的第二溶液; （c）混合第一和第二溶液以形成无氧的并具有约6至约9的pH的组合溶液; （d）在惰性气氛中搅拌合并的溶液直到5,6-二羟基吲哚（DHI）基本上完全形成; （e）向组合溶液中加入衍生剂和第二碱以形成最终溶液; （f）搅拌最终溶液直到DHI基本上完全消耗; （g）冷却最终溶液以沉淀DAI; （h）分离析出的DAI。

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