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31. 发明申请

US20080014440A1 Polyoxadiazole composite fibers 审中-公开
标题翻译：聚二唑复合纤维
公开(公告)号：US20080014440A1
公开(公告)日：2008-01-17
申请号：US11486243
申请日：2006-07-13
申请人： Kiu-Seung Lee , Jon David Hartzler
发明人： Kiu-Seung Lee , Jon David Hartzler
IPC分类号： D02G3/00
CPC分类号： D01F6/94 , Y10T428/2933
摘要： The present invention is directed to preparation of a polyoxadiazole composite fiber and a flexible chain polymer which is not a polyoxadiazole polymer and articles produced therefrom.
摘要翻译：本发明涉及制备聚恶二唑复合纤维和不是聚恶二唑聚合物的柔性链聚合物及其制备的制品。

32. 发明申请

US20070255037A1 Two step preparation of random polyoxadiazole copolymer and articles resulting therefrom 有权
标题翻译：二步制备无规聚二唑共聚物和由此产生的制品
公开(公告)号：US20070255037A1
公开(公告)日：2007-11-01
申请号：US11414959
申请日：2006-05-01
申请人： Kiu-Seung Lee , Harry Smith
发明人： Kiu-Seung Lee , Harry Smith
IPC分类号： C08G63/68
CPC分类号： C08G73/08
摘要： In a preparation of random polyoxadiazole copolymer by reaction of a mixture of oleum, hydrazine sulfate, terephthalic acid, and isophthalic acid, the improvement requires the addition of oleum in more than one step.
摘要翻译：在通过发烟硫酸盐，硫酸肼，对苯二甲酸和间苯二甲酸的混合物的反应制备无规聚二唑共聚物时，改进需要在多于一个步骤中加入发烟硫酸。

33. 发明申请

US20070015903A1 Method of making aromatic dihydroxy diacid dihalides and precipitates resulting therefrom 有权
公开(公告)号：US20070015903A1
公开(公告)日：2007-01-18
申请号：US11180241
申请日：2005-07-13
申请人： Kiu-Seung Lee
发明人： Kiu-Seung Lee
IPC分类号： C08F6/00
CPC分类号： C07C51/64 , C07C51/60 , Y10T428/31504 , Y10T428/31507 , C07C65/11 , C07C65/05
摘要： A method of making an aromatic dihydroxy diacid dihalide comprises forming a solution of an aromatic dihydroxy diacid in a solvent, contacting the aromatic dihydroxy diacid solution with a halogenating agent; heating the solution under an inert atmosphere to convert from 50 and 100 percent of the aromatic dihydroxy diacid to aromatic dihydroxy diacid dihalide, wherein the time required for the conversion is less than 4 hours, and removing at least a portion of the solvent.

34. 发明申请

US20070015896A1 Dihydroxy aramid polymers 审中-公开
标题翻译：二羟基芳族聚酰胺聚合物
公开(公告)号：US20070015896A1
公开(公告)日：2007-01-18
申请号：US11180152
申请日：2005-07-13
申请人： Kiu-Seung Lee
发明人： Kiu-Seung Lee
IPC分类号： C08G64/00
CPC分类号： C08G69/32
摘要： The present invention relates to dihydroxy aramid polymers such as formed by contacting an aromatic diamine with an aromatic dihydroxy diacid dihalide.
摘要翻译：本发明涉及通过使芳族二胺与芳族二羟基二酸二卤化物接触而形成的二羟基芳族聚酰胺聚合物。

35. 发明授权

US5532059A Poly(p-phenylene terephthalamide) pulp 失效
标题翻译：聚（对苯二甲酰对苯二胺）纸浆
公开(公告)号：US5532059A
公开(公告)日：1996-07-02
申请号：US315180
申请日：1994-09-29
申请人： Kiu-Seung Lee
发明人： Kiu-Seung Lee
IPC分类号： C08L77/10 , D01D5/38 , D01F6/60 , D01F6/90 , C08L77/06 , D02G3/00
CPC分类号： D01D5/38 , D01F6/90 , Y10T428/2904
摘要： A fibrous pulp of a combination of poly(p-phenylene terephthalamide) and poly(vinyl pyrrolidone) is provided, along with a process for making it. The process involves conducting a poly(p-phenylene terephthalamide polymerization reaction in the presence of poly(vinyl pyrrolidone) and the product is an improved pulp with increased fibrils and no fiber stalks.
摘要翻译：提供聚（对苯二甲酰对苯二胺）和聚（乙烯基吡咯烷酮）的组合的纤维纸浆及其制备方法。该方法包括在聚（乙烯基吡咯烷酮）存在下进行聚（对亚苯基对苯二甲酰胺聚合反应），该产物是具有增加的原纤维和无纤维茎的改进的纸浆。

36. 发明授权

US4994323A Colored aramid fibers 失效
标题翻译：彩色芳纶纤维
公开(公告)号：US4994323A
公开(公告)日：1991-02-19
申请号：US226645
申请日：1988-08-01
申请人： Kiu-Seung Lee
发明人： Kiu-Seung Lee
IPC分类号： D01F1/04 , D01F6/60 , D01F6/90
CPC分类号： D01F6/605 , D01F1/04 , Y10S8/925 , Y10T428/2913 , Y10T428/2927 , Y10T428/298
摘要： Colored, high strength, high modulus p-aramid fibers are prepared by including an organic pigment which is soluble in but not degraded by concentrated sulfuric acid in a p-aramid spinning dope wherein the solvent is concentrated sulfuric acid and spinning the pigment containing dope through an air gap into a coagulation bath and washing and drying the resulting fibers. The dissolved pigment is precipitated by the coagulation bath as particles with a diameter of less than 0.50 microns.

37. 发明授权

US4684409A Solvent system comprising N-alkyl substituted amide and quaternary ammonium compound 失效
标题翻译：包含N-烷基取代的酰胺和季铵化合物的溶剂体系
公开(公告)号：US4684409A
公开(公告)日：1987-08-04
申请号：US819595
申请日：1986-01-17
申请人： James D. Hodge , Kiu-Seung Lee
发明人： James D. Hodge , Kiu-Seung Lee
IPC分类号： C08G69/26 , C08G69/28 , C08G69/32 , C08K5/16 , C08K5/20
CPC分类号： C08G69/28 , C08G69/32
摘要： A process and its product are disclosed whereby poly-p-phenylene terephthalamide is prepared in a polymerization solvent comprising an N-alkyl-substituted amide, preferably N-methyl-2-pyrrolidone, and a quaternary ammonium chloride, preferably methyl-tri-n-butylammonium chloride.
摘要翻译：公开了一种方法及其产物，其中在包含N-烷基取代的酰胺，优选N-甲基-2-吡咯烷酮的聚合溶剂中制备聚对苯二甲酰对苯二胺和季铵氯化物，优选甲基三丁基氯化铵。

38. 发明授权

US08835600B2 Process of forming an aramid copolymer 有权
标题翻译：形成芳族聚酰胺共聚物的方法
公开(公告)号：US08835600B2
公开(公告)日：2014-09-16
申请号：US13559674
申请日：2012-07-27
申请人： Kiu-Seung Lee
发明人： Kiu-Seung Lee
IPC分类号： C08G73/00 , C08G73/18 , C08G69/06 , C08G69/00 , C08G69/32
CPC分类号： C08G69/00 , C08G69/06 , C08G69/32 , C08G73/18
摘要： The invention concerns processes for forming a polymer comprising residues of 2-(4-amino phenyl)-5 (6) amino phenyl benzimidazole (DAPBI), paraphenylene diamine, and terephthaloyl dichloride, comprising the steps of: a) forming a solution of DAPBI and paraphenylene diamine dihydrochloride in a solvent system comprising an organic solvent and an inorganic salt; b) cooling the solution to a temperature of 30° C. or less; c) adding a stoichiometric amount of terephthaloyl dichloride, relative to the total amount of the DAPBI and the paraphenylene diamine dihydrochloride, to the solution; and d) agitating the solution of step c) to form a polymer.
摘要翻译：本发明涉及形成包含2-（4-氨基苯基）-5（6）氨基苯基苯并咪唑（DAPBI），对苯二胺和对苯二酰氯的残基的聚合物的方法，包括以下步骤：a）形成DAPBI 和对苯二胺二盐酸盐在包含有机溶剂和无机盐的溶剂体系中; b）将溶液冷却至30℃以下的温度; c）相对于DAPBI和对苯二胺二盐酸盐的总量向化合物中加入化学计量的对苯二甲酰氯; 和d）搅拌步骤c）的溶液以形成聚合物。

39. 发明授权

US07772418B1 Process for producing 3,4′ diacetoxybenzophenone 有权
标题翻译：制备3,4-二乙酰氧基二苯甲酮的方法
公开(公告)号：US07772418B1
公开(公告)日：2010-08-10
申请号：US12393295
申请日：2009-02-26
申请人： Kiu-Seung Lee , Michael Francis Vincent
发明人： Kiu-Seung Lee , Michael Francis Vincent
IPC分类号： C07C69/00
CPC分类号： C07C45/46 , C07C67/08 , C07C49/83 , C07C69/017 , C07C69/16
摘要： A process for producing 3,4′diacetoxybenzophenone by first synthesizing 3,4′dihydroxybenzophenone by reacting meta-hydroxybenzoic acid and phenol in the presence of a Lewis acid, and a protonic acid followed by reacting the 3,4′dihydroxybenzophenone with an acetylating agent in the presence of an inorganic acid and activated carbon.
摘要翻译：首先通过在路易斯酸和质子酸存在下使间羟基苯甲酸和苯酚反应合成3,4-二羟基二苯甲酮的方法，然后使3,4'-二羟基二苯甲酮与乙酰化试剂反应在无机酸和活性炭的存在下。

40. 发明授权

US07528217B2 Polymers and fibers formed therefrom 有权
标题翻译：聚合物和由其形成的纤维
公开(公告)号：US07528217B2
公开(公告)日：2009-05-05
申请号：US11544118
申请日：2006-10-06
申请人： Kiu-Seung Lee , Jon David Hartzler
发明人： Kiu-Seung Lee , Jon David Hartzler
IPC分类号： C08G63/00 , C08G63/02
CPC分类号： C08G73/08 , Y10T428/269 , Y10T428/2933
摘要： Sulfonated polyoxadiazole polymers containing groups selected from:
摘要翻译：含有选自以下基团的磺化聚二唑类聚合物：

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