公开(公告)号：AT324948T

公开(公告)日：2006-06-15

申请号：AT03790831

申请日：2003-07-30

Applicant: BASF AG

Inventor： DIEHL VOLKER ,  JAEGER ULRICH ,  SCHROEDER JUERGEN ,  THIEL JOACHIM

IPC: B08B3/08 ,  B08B9/02 ,  C07C57/04

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.

公开(公告)号：DE50205844D1

公开(公告)日：2006-04-20

申请号：DE50205844

申请日：2002-12-18

Applicant: BASF AG

Inventor： NESTLER GERHARD ,  SCHROEDER JUERGEN ,  WICKEL STEFAN

IPC: A61L15/24 ,  C07C57/075 ,  A61L15/60 ,  C07C69/54 ,  C08F2/44 ,  C08F20/06 ,  C08L33/02

Abstract: The present invention relates to novel tocopherol-containing superabsorbents, to a process for preparing them using tocopherol-containing acid-functional monomers, especially acrylic acid, and to their use for absorbing aqueous fluids.

公开(公告)号：PL374428A1

公开(公告)日：2005-10-17

申请号：PL37442803

申请日：2003-06-10

Applicant: BASF AG

Inventor： POPP ANDREAS ,  DANIEL THOMAS ,  SCHROEDER JUERGEN ,  JAWOREK THOMAS ,  FUNK RUEDIGER ,  SCHWALM REINHOLD ,  WEISMANTEL MATTHIAS ,  RIEGEL ULRICH

IPC: A61L15/60 ,  C07C67/08 ,  C08F290/06 ,  C08G65/26 ,  C08G65/28 ,  C08G65/332

Abstract: The present invention relates to novel (meth)acrylic esters of polyalkoxylated trimethylolpropane of the formula where EO is O-CH2-CH2- PO is independently at each instance O-CH2-CH(CH3)- or O-CH(CH3)-CH2- n1, n2 and n3 are independently 4, 5 or 6, n1+n2+n3 is 14, 15 or 16, m1, m2 and m3 are independently 1, 2 or 3, m1+m2+m3 is 4, 5 or 6, R1, R2 and R3 are independently H or CH3, a simplified process for preparing these esters and the use of reaction mixtures thus obtainable.

公开(公告)号：BR0311501A

公开(公告)日：2005-02-22

申请号：BR0311501

申请日：2003-06-10

Applicant: BASF AG

Inventor： DANIEL THOMAS ,  SCHROEDER JUERGEN ,  JAWOREK THOMAS ,  FUNK ROEDIGER ,  SCHWALM REINHOLD ,  WEISMANTEL MATTHIAS ,  RIEGEL ULRICH ,  POPP ANDREAS

IPC: A61L15/60 ,  C07C67/08 ,  C08F290/06 ,  C08G65/26 ,  C08G65/28 ,  C08G65/332 ,  C07C69/54

Abstract: The present invention relates to novel (meth)acrylic esters of polyalkoxylated trimethylolpropane of the formula where EO is O-CH2-CH2- PO is independently at each instance O-CH2-CH(CH3)- or O-CH(CH3)-CH2- n1, n2 and n3 are independently 4, 5 or 6, n1+n2+n3 is 14, 15 or 16, m1, m2 and m3 are independently 1, 2 or 3, m1+m2+m3 is 4, 5 or 6, R1, R2 and R3 are independently H or CH3, a simplified process for preparing these esters and the use of reaction mixtures thus obtainable.

公开(公告)号：CA2520719A1

公开(公告)日：2004-10-14

申请号：CA2520719

申请日：2004-04-02

Applicant: BASF AG

Inventor： RIEGEL ULRICH ,  FUNK RUEDIGER ,  JAWOREK THOMAS ,  DANIEL THOMAS ,  POPP ANDREAS ,  WEISMANTEL MATTHIAS ,  SCHROEDER JUERGEN ,  SCHWALM REINHOLD

IPC: C08G65/32 ,  A61L15/60 ,  C07C69/00 ,  C08F20/00 ,  C08G63/00 ,  C08G65/26 ,  C08G65/28 ,  C08G65/332

Abstract: The invention relates to novel mixtures of polyalkoxylated trimethylolpropan e (meth)acrylate of formula (I), wherein AO independently represents EO, PO, o r BO for each AO, EO representing O-CH2-CH2-, PO independently representing O- CH2-CH(CH3)- or O-CH(CH3)-CH2-, BO independently representing O-CH2-CH(CH2- CH3)- or O-CH(CH2-CH3)-CH2-, p1 + p2 + p3 equals 28, 29, 30, 31, 32, 33, 34,35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 5 3, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74. or 75, and R1, R2, R3 independently represent H or CH3. Also disclos ed are a simplified method for producing said ester mixtures and the use of the obtained reaction mixtures.

公开(公告)号：DE10357645A1

公开(公告)日：2004-07-29

申请号：DE10357645

申请日：2003-12-10

Applicant: BASF AG

Inventor： SCHROEDER JUERGEN

IPC: C07C67/03 ,  C07C67/08 ,  C07C67/62 ,  C07C69/54

Abstract: Method for preparing (meth)acrylate esters (I) by esterification of (meth)acrylic acid (II) or by transesterification of other (I) with an alcohol (III). Method for preparing (meth)acrylate esters (I) by esterification of (meth)acrylic acid (II) or transesterification of other (I) with an alcohol (III) in which: (a) (I) or (II) is supplied at less than 250 g/hour/l of reactor volume; and/or (b) at least 0.2 mmole polymerization inhibitor (IV) is added per kg (III), for each meq/kg of peroxide number (measured by the Sully method) of (III); and/or (c) (III) is heat treated, in absence of water, before reaction.

公开(公告)号：DE10300816A1

公开(公告)日：2004-07-22

申请号：DE10300816

申请日：2003-01-10

Applicant: BASF AG

Inventor： THIEL JOACHIM ,  VANDENMERSCH HUGUES ,  SCHROEDER JUERGEN ,  DAMS ALBRECHT

IPC: C07C45/78 ,  C07C45/81 ,  C07C45/82 ,  C07C51/44 ,  C07C67/54 ,  B01D3/14 ,  C07B63/00 ,  C07C57/075

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.

公开(公告)号：DE50006250D1

公开(公告)日：2004-06-03

申请号：DE50006250

申请日：2000-02-28

Applicant: BASF AG

Inventor： THIEL JOACHIM ,  SCHROEDER JUERGEN ,  NESTLER GERHARD

IPC: B01D5/00 ,  B01D3/14 ,  B01D3/16 ,  B01D3/20 ,  B01D3/22 ,  B01D3/26 ,  B01D3/32 ,  C07C51/43 ,  C07C51/44 ,  C07C51/487 ,  C07C51/50 ,  C07C57/05 ,  C07C57/055 ,  C07C57/07 ,  C07C57/075

Abstract: In a process for the fractional condensation of an acrylic acid-containing product gas mixture of a gas-phase partial oxidation of C3 precursors of acrylic acid with molecular oxygen under heterogeneous catalysis, the separation column used contains both dual-flow trays and hydraulically sealed cross-flow trays as baffles having separation activity.

公开(公告)号：DE10332758A1

公开(公告)日：2004-05-27

申请号：DE10332758

申请日：2003-07-17

Applicant: BASF AG

Inventor： ECK BERND ,  HAMMON ULRICH ,  MUELLER-ENGEL KLAUS JOACHIM ,  SCHROEDER JUERGEN ,  THIEL JOACHIM ,  MARTAN HANS

IPC: B01D3/14 ,  B01D3/32 ,  C07C51/215 ,  C07C51/25 ,  C07C51/43 ,  C07C51/44 ,  C07C57/07 ,  C07C57/05

Abstract: A thermal separation process for the separation of at least one (meth)acrylic monomer enriched material stream from a (meth)acrylic monomer containing mixture comprises use of a device having separate volume elements in which the liquid temperature does not differ by more than 2 degreesC and the total residence time is no greater than 20 hours. A thermal separation process for the separation of at least one (meth)acrylic monomer enriched material stream from a (meth)acrylic monomer containing mixture, comprising the continuous stationary operation of at least one thermal separation device comprising at least one separating chamber optionally containing inserts to which at least one (meth)acrylic monomer containing stream is removed whereby the material stream that is fed to the separator chamber contains x wt.% of components that are different to (meth)acrylic monomers; the material stream having the highest content by weight of (meth)acrylic monomers that is removed from the separator chamber contains y wt.% of components that are different to (meth)acrylic monomers whereby the ratio x:y is at least 5; the separator chamber, excluding inlets and outlets is bordered by a solid phase, comprises at least one recirculating heat exchanger and has a liquid phase filled total volume of at least 1 m3 whereby the temperature of the liquid phase is at least 80 degreesC; and is characterized by subdivision of the separating cavity into n individual volume elements whereby the highest and lowest temperature in the liquid phase within the separate volume elements does not differ by more than 2 degreesC; the total residence time is as defined by equation (1) and is no greater than 20 hours. tges = integral(i=1 to n) msi/mi x 2A (1) To = 100 degreesC; Ti = the arithmetic mean value of the highest and lowest temperature in i volume elements; msi = the total mass of (meth)acrylic monomers in i volume elements containing liquid phase; mi = the total liquid phase mass flow from i volume element. The total amount of liquid phase contained within dead-volume elements is not greater than 5 wt.% of the total liquid phase within the separator chamber.

公开(公告)号：DE10323373A1

公开(公告)日：2004-05-27

申请号：DE10323373

申请日：2003-05-21

Applicant: BASF AG

Inventor： SCHROEDER JUERGEN

IPC: C07C67/08 ,  C07C67/62 ,  C08F2/40 ,  C07B61/00 ,  C07B63/00 ,  C07C57/075

Abstract: A process for the production and processing of polymerizable compounds comprises treatment of the interfaces in the equipment with at least one polymerization inhibitor prior to construction. Independent claims are also included for: (1) a polymerization inhibiting paste (I) comprising at least one insoluble paste and at least one polymerization inhibitor; (2) a flange connector treated with the paste (I) and; (3) a seal containing a polymerization inhibitor.