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11.发明授权Dioxane adduct of 2-hydroxynaphthalene-6-carboxylic acid and process for the preparation thereof 失效2-羟基萘-6-羧酸的二恶烷加成物及其制备方法
公开(公告)号：US4925959A
公开(公告)日：1990-05-15
申请号：US349579
申请日：1989-05-09
IPC分类号： C07C51/00 , C07C65/11 , C07C65/24 , C07D319/12 , C08G63/06
CPC分类号： C07D319/12 , C07C65/11
摘要： The invention relates to the dioxane adduct of 2-hydroxynaphthalene-6-carboxylic acid which adduct comprises 1 mol of 1,4-dioxane and about 2 mol of 2-hydroxynaphthalene-6-carboxylic acid per mol. The invention further relates to a process for the preparation of this adduct, wherein the 2-hydroxynaphthalene-6-carboxylic acid is dissolved in dioxane or a mixture thereof with water or with an organic solvent and then allowed to crystallize.
摘要翻译： 本发明涉及2-羟基萘-6-羧酸的二恶烷加合物，该加合物包含1mol 1,4-二恶烷和约2mol 2-羟基萘-6-羧酸/ mol。 本发明还涉及一种制备该加合物的方法，其中2-羟基萘-6-羧酸溶于二恶烷或其与水或有机溶剂的混合物中，然后使其结晶。
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12.发明授权
公开(公告)号：US4864065A
公开(公告)日：1989-09-05
申请号：US200838
申请日：1988-06-01
CPC分类号： C02F1/26
摘要： The invention relates to a process for extracting halogenated hydroxyaromatics from aqueous solutions. In this process, the extractant used is an amine salt comprising an aliphatic amine having a total carbon number of 10 to 75 and a strong acid. The amine salt may be employed in undiluted form or diluted with an organic solvent.
摘要翻译： 本发明涉及从水溶液中提取卤代羟基芳族化合物的方法。 在该方法中，使用的萃取剂是包含总碳数为10〜75的脂肪族胺和强酸的胺盐。 胺盐可以未稀释的形式使用或用有机溶剂稀释。
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公开(公告)号：US5419815A
公开(公告)日：1995-05-30
申请号：US105600
申请日：1993-08-12
IPC分类号： C07C231/24 , C07C233/05 , B01D3/34
CPC分类号： C07C231/24
摘要： The present invention relates to a process for purifying fatty acid amides, which contains the following process steps:neutralization of the fatty acid by addition of an aqueous alkaline solution andsubsequent distillation of the neutralized mixture.
摘要翻译： 本发明涉及一种纯化脂肪酸酰胺的方法，其包括以下方法步骤：通过加入碱性水溶液中和脂肪酸并随后蒸馏中和的混合物。
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14.发明授权Corrosion and heat-resistant ordered packing for mass transfer and heat exchange processes 失效用于传质和热交换过程的腐蚀和耐热有序填料
公开(公告)号：US5281479A
公开(公告)日：1994-01-25
申请号：US837245
申请日：1992-02-14
申请人： Siegbert Rittner , Jurgen Spiske , Dieter Kompalik , Udo Gruber
发明人： Siegbert Rittner , Jurgen Spiske , Dieter Kompalik , Udo Gruber
CPC分类号： B01J19/32 , D01F11/125 , B01J2219/32433 , B01J2219/326 , Y10T428/24273 , Y10T428/30
摘要： An ordered packing for mass transfer and heat exchange processes includes pre-formed individual parts. The packing is formed of carbon fiber-reinforced carbon with carbon fibers or carbon fiber yarns, which are linked one with the other by way of textile bindings, as a filler and of a matrix carbon, preferably based on synthetic resins.
摘要翻译： 用于传质和热交换过程的有序包装包括预先形成的单独零件。 填料由碳纤维或碳纤维纱线形成，碳纤维或碳纤维纱线通过织物粘合作为填料和基体碳优选以合成树脂为基础彼此连接。
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15.发明授权Process for purifying 2-(4-isobutylphenyl)-propionic acid by vacuum distillation 失效通过真空蒸馏纯化2-（4-异丁基苯基） - 丙酸的方法
公开(公告)号：US5271811A
公开(公告)日：1993-12-21
申请号：US15270
申请日：1993-02-08
CPC分类号： C07C51/44
摘要： 2-(4-Isobutylphenyl)-propionic acid is purified by subjecting it to a vacuum rectification, in which the temperature is below the decomposition temperature of the acid.
摘要翻译： 2-（4-异丁基苯基） - 丙酸通过进行真空精馏而纯化，其中温度低于酸的分解温度。
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16.发明授权
公开(公告)号：US5028736A
公开(公告)日：1991-07-02
申请号：US528899
申请日：1990-05-24
IPC分类号： C07C303/44 , C07C309/35
CPC分类号： C07C303/44
摘要： The invention relates to a process for the separation and recovery of naphthalenesulfonic acids from aqueous solutions. In this, the naphthalenesulfonic acids are adsorbed on basic ion exchangers and subsequently desorbed again, preferably with the aid of an alkaline liquor, from which the alkali metal sulfonates are then precipitated by cooling.
摘要翻译： 本发明涉及从水溶液中分离和回收萘磺酸的方法。 在这种情况下，萘磺酸被吸附在碱性离子交换剂上，随后再借助于碱性液体再次脱附，然后通过冷却使碱金属磺酸盐沉淀。
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17.发明授权Process for separating off enol ethers from reaction mixtures containing alcohols 失效从含有醇的反应混合物中分离出烯醇醚的方法
公开(公告)号：US5013444A
公开(公告)日：1991-05-07
申请号：US576934
申请日：1990-08-29
CPC分类号： C07C41/38
摘要： The invention relates to a gentle process for the separation of enol ethers from mixtures containing water-soluble alcohols by extraction, wherein an aqueous solution of a base is used as the extraction agent in a phase ratio of the amounts of the aqueous phase: enol ether/alcohol mixture of at least 0.5:1 and the extraction is carried out in several stages or continuously with a theoretical number of stages of at least two. The process is particularly suitable for separating off enol ethers which readily decompose during distillation.
摘要翻译： 本发明涉及一种用于通过萃取从烯醇醚与含有水溶性醇的混合物中分离出温和的方法，其中将碱的水溶液用作提取剂，其水相量为：烯醇醚 /醇混合物至少为0.5：1，萃取过程分几个阶段或连续进行，理论数量为至少两个阶段。 该方法特别适用于分离在蒸馏过程中容易分解的烯醇醚。
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18.发明授权
公开(公告)号：US4923485A
公开(公告)日：1990-05-08
申请号：US291515
申请日：1988-12-29
CPC分类号： B01D53/72 , B01D53/1493
摘要： A process for the separation of undesired organic ingredients from waste gases which are formed in the preparation of aromatic intermediates which comprises washing the waste gases with a washing liquid comprising(a) paraffinic hydrocarbons having from 10 to 20 carbons atoms or(b) diisopropylnaphthalene or a mixture of isomers thereof having the sum formula C.sub.16 H.sub.20, an average molecular weight in the range of from 210 to 215, a boiling range in the range of from 290 to 300.degree. C. (according to DIN 51 761) and a flash point above 130.degree. C. (according to DIN 51 758).at a temperature in the range of from 0 to 50.degree. C. to remove the said undesired organic ingredients.
摘要翻译： 一种用于在芳香族中间体的制备中形成的不需要的有机成分与废气分离的方法，其包括用洗涤液洗涤废气，所述洗涤液包含（a）具有10至20个碳原子的链烷烃，或（b）二异丙基萘或 具有总计式C16H20，平均分子量为210-215，沸点范围为290-300℃（根据DIN 51761）和上述闪点的异构体的混合物 130℃（根据DIN 51 758）。 在0至50℃的温度范围内，以除去所述不期望的有机成分。
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公开(公告)号：US4814518A
公开(公告)日：1989-03-21
申请号：US84483
申请日：1987-08-12
IPC分类号： B01D11/04 , C02F1/26 , C02F1/58 , C07C67/00 , C07C201/00 , C07C201/16 , C07C205/22 , C07C79/22 , C07C37/68
CPC分类号： C07C201/16 , C02F1/26
摘要： The invention relates to a process for extracting nitrohydroxyaromatics from aqueous solutions. In this process, the extracting agent used is an amine salt which comprises an aliphatic amine having a total carbon number of 10 to 75 and a strong acid. The amine salt can be employed undiluted or diluted with an organic solvent.
摘要翻译： 本发明涉及从水溶液中提取硝基羟基芳烃的方法。 在该方法中，所用的萃取剂是一种胺盐，其包含总碳数为10至75的脂族胺和强酸。 胺盐可以未稀释使用或用有机溶剂稀释。
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公开(公告)号：US5643494A
公开(公告)日：1997-07-01
申请号：US456499
申请日：1995-06-01
IPC分类号： C07B61/00 , C07C51/10 , C07C51/14 , C07C65/03 , C07C65/11 , C07C65/21 , C07C65/24 , C07C227/02 , C07C229/64 , C07C229/70 , C09K3/00
CPC分类号： C07C51/10
摘要： A process for the preparation of aromatic hydroxy carboxylic acids by reacting alkali metal phenolates or alkali metal naphtholates with alkali metal carbonates and carbon monoxide, with subsequent acidification, wherein the solid starting materials--alkali metal carbonate and/or alkali metal phenolate or naphtholate--are metered into the reaction mixture in the form of one or more dispersions in an inert organic liquid.The process according to the invention enables the preparation of aromatic hydroxy carboxylic acids in good yields and with high chemical selectivity. Additional measures for increasing the selectivity, as described for example for the Kolbe-Schmitt reaction in EP-A 0 053 824, EP-A 0 081 753 and EP-A 0 254 596, and for the reaction with CO and carbonate in, for example, WO 91/11422, are unnecessary.
摘要翻译： 一种通过碱金属酚盐或碱金属碳酸盐和一氧化碳与碱金属碳酸盐和一氧化碳反应制备芳族羟基羧酸的方法，随后酸化，其中固体原料 - 碱金属碳酸盐和/或碱金属酚盐或萘甲酸盐是 在惰性有机液体中以一种或多种分散体的形式计量加入到反应混合物中。 根据本发明的方法能够以良好的产率和高的化学选择性制备芳族羟基羧酸。 增加选择性的附加措施，例如在EP-A 0 053 824，EP-A 0 081 753和EP-A 0 254 596中描述的Kolbe-Schmitt反应，以及与CO和碳酸酯在 例如WO 91/11422，是不必要的。
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