公开(公告)号：US20040138501A1

公开(公告)日：2004-07-15

申请号：US10647241

申请日：2003-08-26

Applicant: BASF Aktiengesellschaft

Inventor： Joachim Thiel ,  Hugues Vandenmersch ,  Jurgen Schroder ,  Albrecht Dams

IPC: C07C051/42

CPC classification number: C07C51/44 ,  C07C45/783 ,  C07C45/81 ,  C07C45/82 ,  C07C67/54 ,  Y10S203/11 ,  C07C57/04 ,  C07C69/54

Abstract: In a thermal separating process between at least one gaseous and at least one liquid stream, of which at least one comprises (meth)acrylic monomers, in a separating column containing sieve trays as separating internals, at least some of the sieve trays are operated above an entrainment fraction of 10% by weight.

Abstract translation: 在至少一种气态和至少一种液态物流之间的热分离过程中，至少一种液体物流在至少一种包含（甲基）丙烯酸类单体的分离塔中，该分离塔含有作为分离内部物质的筛板，至少一些筛板在上面操作 10％重量的夹带部分。

公开(公告)号：US20040116730A1

公开(公告)日：2004-06-17

申请号：US10667782

申请日：2003-09-23

Applicant: BASF Aktiengesellschaft

Inventor： Volker Schliephake ,  Ulrich Hammon ,  Ernst Lang ,  Carl-Ludwig Kruger ,  Jurgen Schroder ,  Klaus Joachim Muller-Engel

IPC: C07C051/235 ,  C07C051/16 ,  C07C253/26

CPC classification number: C07C253/26 ,  C07C51/252 ,  C07C57/04 ,  C07C255/08

Abstract: Organic compounds are prepared by heterogeneously catalyzed partial gas-phase oxidation of precursor compounds by a process in which a portion of the reaction gas starting mixture is brought from a low initial pressure to a higher final pressure by means of a radial compressor.

Abstract translation: 通过使反应气体起始混合物的一部分通过径向压缩机从低初始压力升至较高的最终压力的方法，通过异构催化的前体化​​合物的部分气相氧化来制备有机化合物。

公开(公告)号：US20040026228A1

公开(公告)日：2004-02-12

申请号：US10447227

申请日：2003-05-29

Applicant: BASF Aktiengesellschaft

Inventor： Volker Diehl ,  Ulrich Jager ,  Jurgen Schroder ,  Joachim Thiel

IPC: B01D003/34 ,  C23F014/00 ,  C23F011/00 ,  B01D003/38 ,  C07C051/42

CPC classification number: B08B9/0323 ,  B08B3/08 ,  B08B9/0327

Abstract: A process for cleaning apparatus in which (meth)acrylic acid-containing organic solvents have been treated and/or generated and contain fouling and/or polymer and residues of organic solvent, in which the apparatus contents are subjected to a steam distillation in the apparatus.

Abstract translation: 已经处理和/或产生含（甲基）丙烯酸的有机溶剂的清洁设备的方法，并且包含污垢和/或聚合物和有机溶剂的残留物，其中设备内容物在设备中进行蒸汽蒸馏 。

公开(公告)号：US20040206617A1

公开(公告)日：2004-10-21

申请号：US10823672

申请日：2004-04-14

Applicant: BASF Aktiengesellschaft

Inventor： Volker Diehl ,  Ulrich Jager ,  Ulrich Hammon ,  Jurgen Schroder ,  Steffen Rissel

IPC: B01D003/08 ,  C07C051/42

CPC classification number: B01D3/326 ,  B01D3/324 ,  C07C51/44 ,  Y10S203/11 ,  Y10S203/22 ,  C07C57/04

Abstract: Thermal separating process between at least one gaseous and at least one liquid stream, of which at least one comprises (meth)acrylic monomers, in a separating column whose separating internals are mass transfer trays, in which the liquid stream is polymerization-inhibited and used for spraying the surface of the separating column, and internal surfaces which are in the shadow region of the spraying are removed from the shadow region by covering.

Abstract translation: 至少一种气态和至少一种液体物流之间的热分离过程，其中至少一种液体物流在分离柱内是至少一种（甲基）丙烯酸类单体，其分离内部是质量传递塔盘，其中液体物流被聚合抑制和使用 用于喷射分离塔的表面，并且通过覆盖从阴影区域中去除喷涂阴影区域中的内表面。

公开(公告)号：US20040147772A1

公开(公告)日：2004-07-29

申请号：US10657157

申请日：2003-09-09

Applicant: BASF Aktiengesellschaft

Inventor： Jurgen Schroder

IPC: C07C069/00

CPC classification number: C07C67/08 ,  C07C67/03 ,  C07C67/62 ,  C07C69/54

Abstract: The present invention describes a process for preparing (meth)acrylic esters by acid-catalyzed esterification of (meth)acrylic acid or by transesterification of (meth)acrylic esters with alcohols, by adding the (meth)acrylic acid or the (meth)acrylic ester at a metering rate of less than 250 g per hour and liter of reactor volume and/or using at least 0.2 mmol of polymerization inhibitor per kg of alcohol and per meq/kg of peroxid number of the alcohol determined by the Sully method and/or thermally treating the alcohol in the absence of water before the esterification or transesterification.

Abstract translation: 本发明描述了通过（甲基）丙烯酸的酸催化酯化或通过（甲基）丙烯酸酯与醇的酯交换来制备（甲基）丙烯酸酯的方法，通过加入（甲基）丙烯酸或（甲基）丙烯酸 酯，以小于250g /小时的计量速率和升反应器体积和/或使用至少0.2mmol聚合抑制剂/ kg醇和每meq / kg通过Sully方法测定的过氧化物的量和/ 或在酯化或酯交换之前在不存在水的情况下热处理醇。

公开(公告)号：US20040082737A1

公开(公告)日：2004-04-29

申请号：US10651984

申请日：2003-09-02

Applicant: BASF Aktiengesellschaft

Inventor： Frank Hofer ,  Sylke Haremza ,  Gerhard Wagenblast ,  Volker Schliephake ,  Ulrich Jager ,  Jurgen Schroder ,  Harald Keller ,  Cedric Dieleman ,  Rainer Diehl

IPC: C08F002/00

CPC classification number: G01N29/07 ,  G01N21/31 ,  G01N21/65 ,  G01N21/8422 ,  G01N2291/02416 ,  G01N2291/0251 ,  G01N2291/0255 ,  G01N2291/02809 ,  G01N2291/02881

Abstract: Noninvasive process for inline and/or online determination of polymer deposited from (meth)acrylic acid and/or (meth)acrylic esters by means of sound velocity measurements, measurements of the absorption coefficients in the infrared, near infrared, ultraviolet and/or visible region of the spectrum of electromagnetic radiation, or Raman spectroscopy, which allows precise control of the process parameters to be carried out during the thermal purification.

Abstract translation: 通过声速测量，红外线，近红外线，紫外线和/或可见光的吸收系数的测量，用于在线和/或在线测定由（甲基）丙烯酸和/或（甲基）丙烯酸酯沉积的聚合物的非侵入性方法 电磁辐射谱的区域或拉曼光谱，其允许精确控制在热纯化期间进行的工艺参数。