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公开(公告)号：PL374404A1
公开(公告)日：2005-10-17
申请号：PL37440403
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
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公开(公告)号：DE10355401A1
公开(公告)日：2005-06-30
申请号：DE10355401
申请日：2003-11-25
Applicant: BASF AG
Inventor： HERMELING DIETER , DANIEL THOMAS , ELLIOT MARK , RIEGEL ULRICH , DIETSCHE FRANK , SCHWALM REINHOLD
IPC: C08F20/40 , C08F220/00 , C07C219/08 , C07C213/06 , C08F283/01 , A61L15/22
Abstract: Disclosed are novel (meth)acrylic esters of unsaturated amino alcohols, a process for their preparation and their use for preparing crosslinked swellable hydrogel-forming polymers and crosslinked swellable hydrogel-forming polymers.
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公开(公告)号：BR0312831A
公开(公告)日：2005-04-26
申请号：BR0312831
申请日：2003-07-18
Applicant: BASF AG
Inventor： DANIEL THOMAS , RIEGEL ULRICH , ELLIOTT MARK
IPC: C08F20/06
Abstract: A process for producing sodium acrylate polymers by free-radical polymerization of sodium acrylate with or without other monomers in an aqueous medium, which comprises using sodium acrylate in the form of an aqueous solution or dispersion obtainable by dissolving or dispersing solid sodium acrylate in an aqueous medium. The polymers thus obtainable have an improved color number and a lower residual monomer content than conventional comparable polymers.
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公开(公告)号：BR0311489A
公开(公告)日：2005-03-15
申请号：BR0311489
申请日：2003-06-06
Applicant: BASF AG
Inventor： POPP ANDREAS , DANIEL THOMAS , SCHROEDER JUERGEN , JAWOREK THOMAS , FUNK RUEDIGER , SCHWALM REINHOLD , WEISMANTEL MATTHIAS , RIEGEL ULRICH
IPC: C08G65/332 , A61L15/60 , C07B61/00 , C07C67/08 , C07C69/54 , C08F290/06 , C08G65/26 , C08G65/28
Abstract: The present invention relates to novel (meth)acrylic esters of polyalkoxylated trimethylolpropane of the formula where AO is for each AO independently at each instance EO, PO or BO where EO is O-CH2-CH2- PO is independently at each instance O-CH2-CH(CH3)- or O-CH(CH3)-CH2- BO is independently at each instance O-CH2-CH(CH2-CH3)- or O-CH(CH2-CH3)-CH2- p1+p2+p3 is 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, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74 or 75, R1, R2 and R3 are independently H or CH3, a simplified process for preparing these esters and the use of reaction mixtures thus obtainable.
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公开(公告)号：AT266048T
公开(公告)日：2004-05-15
申请号：AT99958065
申请日：1999-11-18
Applicant: BASF AG
Inventor： DANIEL THOMAS , RIEGEL ULRICH , WEISMANTEL MATTHIAS , HERFERT NORBERT , ENGELHARDT FRIEDRICH
IPC: A61F13/53 , A61F5/44 , A61F13/15 , A61F13/49 , A61L15/18 , A61L15/60 , C08F2/44 , C08F20/04 , C08K3/34
Abstract: The invention relates to hydrogels capable of absorbing aqueous fluids, which hydrogels are produced by polymerization of olefinically unsaturated carboxylic acids or their derivatives. The hydrogels are characterized in that before, during or after the polymerization reaction and before drying a silicic acid alkali salt of the general formula (I) M2O×nSiO2 is added to the polymerization reaction mixture. In said formula M is an alkali metal and n is a number between 0.5 and 4. The hydrogel obtained in this way is then dried at an elevated temperature. The invention also relates to a method for producing said hydrogels and to their use for absorbing aqueous fluids.
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Patent Agency Ranking
公开(公告)号：AU2003242636A1
公开(公告)日：2003-12-22
申请号：AU2003242636
申请日：2003-06-06
Applicant: BASF AG
Inventor： JAWOREK THOMAS , DANIEL THOMAS , WOLF LOTHAR , KONIGER RAINER , SCHWALM REINHOLD , HARTMANN GABRIELE , WICKEL STEFAN
IPC: C08G63/78 , A61L15/60 , C07C67/08 , C08G65/332 , C07C69/54
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公开(公告)号：CA2487031A1
公开(公告)日：2003-12-18
申请号：CA2487031
申请日：2003-06-10
Applicant: BASF AG
Inventor： SCHROEDER JUERGEN , JAWOREK THOMAS , FUNK RUEDIGER , POPP ANDREAS , DANIEL THOMAS , SCHWALM REINHOLD , WEISMANTEL MATTHIAS , RIEGEL ULRICH
IPC: A61L15/60 , C07C67/08 , C08F290/06 , C08G65/26 , C08G65/28 , C08G65/332 , C07C69/54
Abstract: The invention relates to novel (meth)acrylic esters of polyalkoxylated trimethylolpropane of formula (I), wherein EO represents O-CH2-CH2-,PO represents independently from each other O-CH2-CH(CH3)- or O-CH(CH3)-CH2-,n1 , n2, n3 represent independently from each other 4,5 or 6, n1 + n2 + n3 is 14, 15 or 16,m1, m2, m3 represent independently from each other 1,2 or 3, m1 + m 2 + m3 is 4, 5 or 6, R1, R2, R3 represent independently from each other H or CH3. The invention also relates to a simplified method for producing said esters and the use of the thus obtained reaction mixture.
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公开(公告)号：DE59906513D1
公开(公告)日：2003-09-11
申请号：DE59906513
申请日：1999-02-24
Applicant: BASF AG
Inventor： FUNK RUEDIGER , FRENZ VOLKER , RIEGEL ULRICH , WEISMANTEL MATTHIAS , ENGELHARDT FRITZ , DANIEL THOMAS
Abstract: The invention contains a process for the surface postcrosslinking of water-absorbing polymers in which the polymers are treated with a surface postcrosslinking solution and during or after the treatment are postcrosslinked by means of an increase in temperature and are dried, wherein the crossiinker comprises a bis-2-oxazolidinone or a poly-2-oxazolidinone comprising structural units of the formulain which R1 is branched or unbranched C1-C18-alkylene, branched or unbranched C2-C18-alkenylene, C5-C18-cycloalkylene, phenylene, naphthylene, anthracenylene, hydrocarbon-substituted phenylene, naphthylene or anthracenylene or another substituted or unsubstituted C6-C18-arylene radical, R2 is branched or unbranched C1-C18-alkylene and n is an integer from 1 to 50 or a mixture of bis-2-oxazolidinones and poly-2-oxazolidinones dissolved in an inert solvent.
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公开(公告)号：ES2172310T3
公开(公告)日：2002-09-16
申请号：ES99910244
申请日：1999-02-19
Applicant: BASF AG
Inventor： FUNK RUDIGER , FRENZ VOLKER , STUVEN UWE , ENGELHARDT FRITZ , DANIEL THOMAS
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公开(公告)号：DE59900628D1
公开(公告)日：2002-02-21
申请号：DE59900628
申请日：1999-02-19
Applicant: BASF AG
Inventor： FUNK RUEDIGER , FRENZ VOLKER , STUEVEN UWE , ENGELHARDT FRITZ , DANIEL THOMAS
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