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1. 发明授权

US08791296B2 Process for preparing methacrylic acid 有权
标题翻译：制备甲基丙烯酸的方法
公开(公告)号：US08791296B2
公开(公告)日：2014-07-29
申请号：US14113228
申请日：2012-04-24
申请人： Dirk Broell , Hermann Siegert , Horst Hiltner , Thomas Krauss
发明人： Dirk Broell , Hermann Siegert , Horst Hiltner , Thomas Krauss
IPC分类号： C07C51/44
CPC分类号： C07C51/09 , C07C67/20 , Y02P20/582 , C07C57/04 , C07C69/54
摘要： The present invention relates to a process for preparing methacrylic acid based on the hydrolysis of methacrylic esters.
摘要翻译：本发明涉及一种基于甲基丙烯酸酯水解制备甲基丙烯酸的方法。

2. 发明申请

US20140051886A1 PROCESS FOR PREPARING METHACRYLIC ACID 有权
标题翻译：制备甲基丙烯酸的方法
公开(公告)号：US20140051886A1
公开(公告)日：2014-02-20
申请号：US14113228
申请日：2012-04-24
申请人： Dirk Broell , Hermann Siegert , Horst Hiltner , Thomas Krauss
发明人： Dirk Broell , Hermann Siegert , Horst Hiltner , Thomas Krauss
IPC分类号： C07C51/09
CPC分类号： C07C51/09 , C07C67/20 , Y02P20/582 , C07C57/04 , C07C69/54
摘要： The present invention relates to a process for preparing methacrylic acid based on the hydrolysis of methacrylic esters.
摘要翻译：本发明涉及一种基于甲基丙烯酸酯水解制备甲基丙烯酸的方法。

3. 发明授权

US08337671B2 Method for purifying polymerizable compounds 有权
标题翻译：可聚合化合物的纯化方法
公开(公告)号：US08337671B2
公开(公告)日：2012-12-25
申请号：US12300189
申请日：2007-03-14
申请人： Dirk Broell , Hermann Siegert
发明人： Dirk Broell , Hermann Siegert
IPC分类号： B01D3/34 , C07C51/44 , C07C57/07
CPC分类号： C07C51/44 , C07C51/573 , C07C57/04
摘要： Process for distillatively purifying polymerizable compounds using a high-boiling, inert, thermally long-term-stable substance as a boiling oil, characterized in that the boiling oil is disposed in the bottom of a rectification column.
摘要翻译：使用高沸点，惰性，长期稳定的长沸石物质作为沸点油蒸馏精制可聚合化合物的方法，其特征在于将沸点油置于精馏塔底部。

4. 发明申请

US20090264673A1 METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID ANHYDRIDES 有权
标题翻译：连续生产不饱和羧酸酐的方法
公开(公告)号：US20090264673A1
公开(公告)日：2009-10-22
申请号：US12299217
申请日：2007-03-14
申请人： Dirk Broell , Hermann Siegert
发明人： Dirk Broell , Hermann Siegert
IPC分类号： C07C67/04
CPC分类号： C07C51/56 , C07C51/567 , Y02P20/582 , C07C57/04
摘要： Process for continuously preparing unsaturated carboxylic anhydrides of the general formula I R—C(O)—O—C(O)—R (I) in which R is an unsaturated organic radical having 2 to 12 carbon atoms by transanhydridization of an aliphatic carboxylic anhydride with a carboxylic acid of the general formula II R—COOH (II) in which R is as defined above in a rectification column having an upper, middle and lower region, characterized in that f) an inert boiling oil is initially charged in the bottom of the column, g) the reactants are fed into a reaction region in stoichiometric ratios, h) the carboxylic acid formed as the by-product is withdrawn at the top of the column, i) the unconverted reactants are recycled into the reaction region and j) the product of the formula I is obtained via a side draw, preferably between the middle and lower column region.
摘要翻译：通过脂肪族羧酸酐与羧基的反式脱水连续制备通式I RC（O）-OC（O）-R（I）的不饱和羧酸酐的方法，其中R是具有2至12个碳原子的不饱和有机基团通式II的R-COOH（II）的酸，其中R如上所定义，在具有上部，中部和下部区域的精馏塔中，其特征在于f）惰性沸腾油最初装入塔底 g）将反应物以化学计量比进料到反应区域中，h）在柱顶部取出副产物形成的羧酸，i）将未转化的反应物再循环到反应区域，并且j）式I的产物经由侧拉取得，优选在中间和下部区域之间获得。

5. 发明授权

US08084640B2 Method for the continuous production of unsaturated carboxylic acid anhydrides 有权
标题翻译：连续生产不饱和羧酸酐的方法
公开(公告)号：US08084640B2
公开(公告)日：2011-12-27
申请号：US12299217
申请日：2007-03-14
申请人： Dirk Broell , Hermann Siegert
发明人： Dirk Broell , Hermann Siegert
IPC分类号： C07C65/00
CPC分类号： C07C51/56 , C07C51/567 , Y02P20/582 , C07C57/04
摘要： Process for continuously preparing unsaturated carboxylic anhydrides of the general formula I R—C(O)—O—C(O)—R (I) in which R is an unsaturated organic radical having 2 to 12 carbon atoms by transanhydridization of an aliphatic carboxylic anhydride with a carboxylic acid of the general formula II R—COOH (II) in which R is as defined above in a rectification column having an upper, middle and lower region, characterized in that f) an inert boiling oil is initially charged in the bottom of the column, g) the reactants are fed into a reaction region in stoichiometric ratios, h) the carboxylic acid formed as the by-product is withdrawn at the top of the column, i) the unconverted reactants are recycled into the reaction region and j) the product of the formula I is obtained via a side draw, preferably between the middle and lower column region.
摘要翻译：用于连续制备通式IR-C（O）-O-C（O）-R（I）的不饱和羧酸酐的方法，其中R是具有2至12个碳原子的不饱和有机基团，通过脂族羧酸酐的反式氢化与具有上，中，下区域的精馏塔中的R如上定义的通式II R-COOH（II）的羧酸反应，其特征在于f）惰性沸腾油最初装入底部，g）将反应物以化学计量比进料到反应区域中，h）作为副产物形成的羧酸在塔的顶部排出，i）将未转化的反应物再循环到反应区域中， j）式I的产物通过侧拉取得，优选在中间和下部区域之间。

6. 发明申请

US20090166176A1 METHOD FOR PURIFYING POLYMERIZABLE COMPOUNDS 有权
标题翻译：纯化可聚合化合物的方法
公开(公告)号：US20090166176A1
公开(公告)日：2009-07-02
申请号：US12300189
申请日：2007-03-14
申请人： Dirk Broell , Hermann Siegert
发明人： Dirk Broell , Hermann Siegert
IPC分类号： C07C57/07 , B01D3/34
CPC分类号： C07C51/44 , C07C51/573 , C07C57/04
摘要： Process for distillatively purifying polymerizable compounds using a high-boiling, inert, thermally long-term-stable substance as a boiling oil, characterized in that the boiling oil is disposed in the bottom of a rectification column.
摘要翻译：使用高沸点，惰性，长期稳定的长沸石物质作为沸点油蒸馏精制可聚合化合物的方法，其特征在于将沸点油置于精馏塔底部。

7. 发明授权

US07714165B2 Method for the continuous production of unsaturated carboxylic acid anhydrides 有权
标题翻译：连续生产不饱和羧酸酐的方法
公开(公告)号：US07714165B2
公开(公告)日：2010-05-11
申请号：US12295323
申请日：2007-03-14
申请人： Dirk Broell , Hermann Siegert
发明人： Dirk Broell , Hermann Siegert
IPC分类号： C07C51/54
CPC分类号： C07C51/56 , C07C51/567 , C07C57/04
摘要： The invention relates to a method for the continuous production of unsaturated carboxylic acid anhydrides of general formula (I): R—C(O)—O—C(O)—R (I), wherein R is an unsaturated organic group with 2 to 12 C atoms, by reaction of a ketene with an unsaturated carboxylic acid of general formula (II): R—COOH (II), wherein R is defined as above, in an apparatus which has a reaction zone (1) for the reaction of a ketene with an unsaturated carboxylic acid of general formula (II), and a reaction zone (2) for the subsequent reaction of the crude anhydride mixture and a rectification column with an upper, a middle and a lower zone, in the sump of which an inert boiling oil is present.
摘要翻译：本发明涉及连续制备通式（I）的不饱和羧酸酐的方法：R-C（O）-O-C（O）-R（I），其中R是不饱和有机基团，其中2 通过烯酮与通式（II）的不饱和羧酸的反应：在具有反应区（1）的装置中，R-COOH（II）（其中R如上所定义）的具有通式（II）的不饱和羧酸的乙烯酮和用于随后将粗酐混合物和精馏塔与上部，中部和下部区域的后处理反应的反应区（2）其中存在惰性沸腾油。

8. 发明申请

US20090118533A1 METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID ANHYDRIDES 有权
标题翻译：连续生产不饱和羧酸酐的方法
公开(公告)号：US20090118533A1
公开(公告)日：2009-05-07
申请号：US12295323
申请日：2007-03-14
申请人： Dirk Broell , Hermann Siegert
发明人： Dirk Broell , Hermann Siegert
IPC分类号： C07C69/00
CPC分类号： C07C51/56 , C07C51/567 , C07C57/04
摘要： The invention relates to a method for the continuous production of unsaturated carboxylic acid anhydrides of general formula (I): R—C(O)—O—C(O)—R (I), wherein R is an unsaturated organic group with 2 to 12 C atoms, by reaction of a ketene with an unsaturated carboxylic acid of general formula (II): R—COOH (II), wherein R is defined as above, in an apparatus which has a reaction zone (1) for the reaction of a ketene with an unsaturated carboxylic acid of general formula (II), and a reaction zone (2) for the subsequent reaction of the crude anhydride mixture and a rectification column with an upper, a middle and a lower zone, in the sump of which an inert boiling oil is present.
摘要翻译：本发明涉及连续生产通式（I）的不饱和羧酸酐的方法：RC（O）-OC（O）-R（I），其中R是具有2-12个碳原子的不饱和有机基团通过烯酮与通式（II）的不饱和羧酸的反应：其中R如上定义的R-COOH（II）在具有用于使烯酮与通式（II）的不饱和羧酸和用于随后将粗酐混合物和精馏塔与上部，中部和下部区域的反应的反应区（2）在其中的惰性沸腾油存在。

9. 发明授权

US09221738B2 Method and system for purifying monomers 有权
标题翻译：单体纯化方法和系统
公开(公告)号：US09221738B2
公开(公告)日：2015-12-29
申请号：US13256469
申请日：2010-03-26
申请人： Dirk Broell , Christian Maul , Benedikt Laux , Volker Schleep
发明人： Dirk Broell , Christian Maul , Benedikt Laux , Volker Schleep
IPC分类号： C07C67/54 , C07C51/573 , B01D3/12 , B01D3/42
CPC分类号： C07C51/573 , B01D3/12 , B01D3/42 , C07C67/54 , C07C57/04 , C07C69/54
摘要： The present invention relates to a process for purifying monomers, by evaporating at least a portion of the monomers present in a starting composition and then condensing it, which is characterized in that at least a portion of the starting composition is evaporated in a short-path evaporator, the mass flow density of the vapors {dot over (m)} being selected according to the relation (I) m . ≤ 1800 ⁢ kg · K mbar · m 2 · h · kg kmol · p i · ( M ~ T ) 0.5 ( I ) in which {tilde over (M)} is the average molar mass of the vapors in the short-path evaporator in kg/kmol T is the temperature of the vapors in K pi is the pressure in the short-path evaporator in mbar {dot over (m)} is the mass flow density of the vapors in kg/(m2·h). A further aspect of the present invention is a plant for performing the process.
摘要翻译：本发明涉及通过蒸发存在于起始组合物中的至少一部分单体然后使其冷凝来纯化单体的方法，其特征在于起始组合物的至少一部分在短路径中蒸发蒸发器，根据关系式（I）m选择蒸气的质量流量密度（点（m）}）。 ≤M1·m························································· 以kg / kmol为单位T是蒸气的温度，K pi是短路蒸发器中的压力，单位为mbar（点）（m）}是蒸汽的质量流密度，单位为kg /（m2·h）。本发明的另一方面是用于执行该方法的设备。

10. 发明申请

US20110306783A1 COMPOSITION STABILIZED FOR PURIFICATION AND METHOD FOR PURIFYING AND FOR PRODUCING HYDROXYALKYL (METH)ACRYLATES 审中-公开
标题翻译：用于净化和生产羟基（甲基）丙烯酸酯的纯化和方法稳定的组合物
公开(公告)号：US20110306783A1
公开(公告)日：2011-12-15
申请号：US13202248
申请日：2010-02-25
申请人： Dirk Broell , Benedikt Laux , Christian Maul , Thorben Schuetz , Bardo Schmitt , Volker Schleep , Claus Zimmer
发明人： Dirk Broell , Benedikt Laux , Christian Maul , Thorben Schuetz , Bardo Schmitt , Volker Schleep , Claus Zimmer
IPC分类号： C07C67/62 , C07C69/54
CPC分类号： C07C67/54 , C07C67/26 , C07C67/62 , C07D211/94 , C08K5/13 , C08K5/3435 , C09K15/08 , C09K15/30 , C07C69/54
摘要： The present invention relates to a composition which comprises at least one hydroxyalkyl(meth)acrylate and has been stabilized for a purification, which comprises hydroquinone monomethyl ether and 4-hydroxy-2,2,6,6-tetramethylpiperidine N-oxyl. The present invention additionally describes processes for purifying and for preparing hydroxyalkyl(meth)acrylates. A further aspect of the present invention is a composition which is obtainable by the processes mentioned.
摘要翻译：本发明涉及包含至少一种（甲基）丙烯酸羟烷基酯并已被稳定以进行纯化的组合物，其包含氢醌单甲醚和4-羟基-2,2,6,6-四甲基哌啶N-氧基。本发明另外描述了纯化和制备（甲基）丙烯酸羟烷基酯的方法。本发明的另一方面是可通过所述方法获得的组合物。

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