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公开(公告)号：AT507248T
公开(公告)日：2011-05-15
申请号：AT06700825
申请日：2006-01-14
Applicant: BASF SE
Inventor： LOESCH DENNIS , SEIDL VOLKER , STUEVEN UWE
Abstract: Water-absorbing polymeric particles are produced by spray polymerization of a monomer solution in a process wherein the monomer solution is spray dispensed and at least one crosslinker accumulates in the region of the droplet surface, and are useful in hygiene articles.
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公开(公告)号：AT467645T
公开(公告)日：2010-05-15
申请号：AT07787356
申请日：2007-07-11
Applicant: BASF SE
Inventor： STUEVEN UWE , WEISMANTEL MATTHIAS , HEIDE WILFRIED , KRUEGER MARCO , SEIDL VOLKER , BLEI STEFAN , LOESCH DENNIS , FUNK RUEDIGER , HILLEBRECHT ANNEMARIE
Abstract: A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution, comprising monomers bearing acid groups, in a gas phase surrounding the droplets, wherein the monomer solution comprises polyvalent cations and the polymer beads have a mean diameter of at least 150 μm.
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公开(公告)号：ZA200901113B
公开(公告)日：2010-04-28
申请号：ZA200901113
申请日：2009-02-17
Applicant: BASF SE
Inventor： HILLEBRECHT ANNEMARIE , STUEVEN UWE , WEISMANTEL MATTHIAS , HEIDE WILFRIED , KRUEGER MARCO , SEIDL VOLKER , BLEI STEFAN , LOESCH DENNIS , FUNK RUEDIGER
IPC: A61L20100101 , C08F20100101 , C08J20100101
Abstract: A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein a water-insoluble inorganic salt is suspended in the monomer solution and the polymer beads have a mean diameter of at least 150 μm.
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公开(公告)号：AT455594T
公开(公告)日：2010-02-15
申请号：AT05769743
申请日：2005-08-09
Applicant: BASF SE
Inventor： LOESCH DENNIS , WEIDL CHRISTIAN HUBERT , SEIDL VOLKER
IPC: B01J19/26 , B01J2/00 , C08F2/10 , C08F220/06 , C08F226/10
Abstract: Process for producing polymers by spray polymerization wherein the monomer solution is dispersed in a hydrophobic liquid, the use of the polymers for thickening liquids and also an apparatus for producing polymers by spray polymerization.
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公开(公告)号：AT424419T
公开(公告)日：2009-03-15
申请号：AT06807615
申请日：2006-10-27
Applicant: BASF SE
Inventor： LOESCH DENNIS , SEIDL VOLKER , RUEBENACKER MARTIN
IPC: C08F2/10
Abstract: A process for producing a polymer powder comprising vinylformamide units by free radical polymerization of an aqueous solution of N-vinylformamide and if appropriate other monomers and drying the polymer which comprises an aqueous monomer solution comprising N-vinylformamide and at least one polymerization initiator being spray dispensed as an aerosol or dropletized at the top of a heatable tower-shaped reactor, then polymerizing the aerosol or droplets in an inert gas atmosphere to form a finely divided solid and discharging the finely divided polymer from the reactor.
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Patent Agency Ranking
公开(公告)号：DE502005003378D1
公开(公告)日：2008-04-30
申请号：DE502005003378
申请日：2005-09-06
Applicant: BASF SE
Inventor： BRODT GREGOR , EHRENSTEIN MORITZ , KRUEGER MARCO , SEIDL VOLKER , WINTER DOMINIK , KARIM ASIF , MORITZ HANS-ULRICH
Abstract: In the spray condensation process for the preparation of dried resins in powder form from melamine, urea or a mixture thereof and at least one aldehyde, the morphology of the resin particles produced is influenced in a targeted manner with respect to their particle parameters.
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公开(公告)号：AT389680T
公开(公告)日：2008-04-15
申请号：AT05783911
申请日：2005-09-06
Applicant: BASF SE
Inventor： BRODT GREGOR , EHRENSTEIN MORITZ , KRUEGER MARCO , SEIDL VOLKER , WINTER DOMINIK , KARIM ASIF , MORITZ HANS-ULRICH
Abstract: In the spray condensation process for the preparation of dried resins in powder form from melamine, urea or a mixture thereof and at least one aldehyde, the morphology of the resin particles produced is influenced in a targeted manner with respect to their particle parameters.
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公开(公告)号：BRPI0714450A2
公开(公告)日：2013-03-12
申请号：BRPI0714450
申请日：2007-07-09
Applicant: BASF SE
Inventor： STUEVEN UWE , WEISMANTEL MATTHIAS , HEIDE WILFRIED , KRUEGER MARCO , SEIDL VOLKER , BLEI STEFAN , LOESCH DENNIS , FUNK RUEDIGER , HILLEBRECHT ANNEMARIE
Abstract: A process for preparing postcrosslinked water-absorbing polymer beads with high absorption by polymerizing droplets of a monomer solution in a gas phase surrounding the droplets, wherein the solids content of the monomer solution is at least 35% by weight and the polymer beads have a mean diameter of at least 150 μm.
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公开(公告)号：DE502006009389D1
公开(公告)日：2011-06-09
申请号：DE502006009389
申请日：2006-01-14
Applicant: BASF SE
Inventor： LOESCH DENNIS , SEIDL VOLKER , STUEVEN UWE
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公开(公告)号：ZA200901112B
公开(公告)日：2010-04-28
申请号：ZA200901112
申请日：2009-02-17
Applicant: BASF SE
Inventor： STUEVEN UWE , WEISMANTEL MATTHIAS , HEIDE WILFRIED , KRUEGER MARCO , SEIDL VOLKER , BLEI STEFAN , LOESCH DENNIS , FUNK RUEDIGER , HILLEBRECHT ANNEMARIE
IPC: C08F20100101
Abstract: A process for preparing water-absorbing polymer beads with high permeability by polymerizing droplets of a monomer solution, comprising monomers bearing acid groups, in a gas phase surrounding the droplets, wherein the monomer solution comprises polyvalent cations and the polymer beads have a mean diameter of at least 150 μm.
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