公开(公告)号：CA2316342A1

公开(公告)日：1999-07-29

申请号：CA2316342

申请日：1999-01-20

Applicant: BASF AG

Inventor： RIEGEL ULRICH ,  WEISMANTEL MATTHIAS ,  FUNK RUDIGER ,  ENGELHARDT FRITZ ,  DANIEL THOMAS ,  HERFERT NORBERT

IPC: C08J7/04 ,  B01J13/02 ,  B01J20/26 ,  C08F251/00 ,  C08F251/02 ,  C08J3/12 ,  C08L51/00 ,  C08L51/02

Abstract: The invention relates to a hydrogel, comprising a hydrophilic hydrogel with a high swelling capacity which is reversibly coated with a material which delays or prevents the uptake of water or aqueous fluids. The invention also relates to a method for producing the hydrogel and to a method for releasing said hydrophilic hydrogel with a high swelling capacity.

公开(公告)号：DE102006006539A1

公开(公告)日：2007-08-16

申请号：DE102006006539

申请日：2006-02-10

Applicant: BASF AG

Inventor： BARTHEL HOLGER ,  WEISMANTEL MATTHIAS ,  AX KARIN ,  KANTHER WOLFGANG

IPC: B01F3/12 ,  B01F3/18 ,  B01F7/00 ,  B01J20/26 ,  C08J3/05 ,  C08J3/24

Abstract: Continuously mixing water-absorbing polymer particles with liquids or other particles, where the polymer particles move under gravity in a product flow direction, comprises propelling the material being mixed counter to the product flow direction by the rotation of mixing tools mounted on a rotating shaft.

公开(公告)号：AT362776T

公开(公告)日：2007-06-15

申请号：AT04804002

申请日：2004-12-17

Applicant: BASF AG

Inventor： RIEGEL ULRICH ,  DANIEL THOMAS ,  WEISMANTEL MATTHIAS ,  ELLIOTT MARK ,  HERMELING DIETER

IPC: A61L15/60 ,  C08F20/06 ,  C08F20/56 ,  C08G63/00 ,  C08G63/20 ,  C08G63/60 ,  C08K3/34 ,  C08L5/00 ,  C08L67/00 ,  C08L91/06 ,  C09D179/02

Abstract: Swellable hydrogel-forming polymer comprising at least one hydrophilic polymer of dendritic structure, a process for preparing the swellable hydrogel-forming polymer and also its use in hygiene articles.

公开(公告)号：DE102005042609A1

公开(公告)日：2007-03-08

申请号：DE102005042609

申请日：2005-09-07

Applicant: BASF AG

Inventor： WEISMANTEL MATTHIAS ,  MARCO MICHAEL DE ,  DAIS ANDREAS ,  ESBROECK DOMINICUS VAN ,  POSSEMIERS KARL J ,  KAEY RONNY DE ,  MIERT LEO VAN

IPC: C08F2/04 ,  C08F2/01 ,  C08F2/38 ,  C08F20/06

Abstract: The invention relates to a process for continuously preparing water-absorbing polymer particles by mixing a monomer solution with a redox initiator consisting of at least one oxidizing agent and at least one reducing agent and polymerizing it, wherein the monomer solution is mixed with at least one oxidizing agent upstream of the polymerization reactor and the at least one reducing agent is metered into the polymerization reactor, and also to an apparatus for performing the process.

公开(公告)号：ZA200500188B

公开(公告)日：2006-07-26

申请号：ZA200500188

申请日：2005-01-10

Applicant: BASF AG

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

IPC: C08G63/78 ,  A61L20060101 ,  A61L15/60 ,  C07C20060101 ,  C07C67/08 ,  C08G20060101 ,  C08G65/332

公开(公告)号：BRPI0410899A

公开(公告)日：2006-07-04

申请号：BRPI0410899

申请日：2004-06-04

Applicant: BASF AG

Inventor： RIEGEL ULRICH ,  DANIEL THOMAS ,  WEISMANTEL MATTHIAS ,  ELLIOTT MARK ,  FUNK RUEDIGER ,  SCHWALM REINHOLD

IPC: C08G65/26 ,  C08G65/332 ,  A61L15/60 ,  C07C69/54

公开(公告)号：DE102004015686A1

公开(公告)日：2005-10-27

申请号：DE102004015686

申请日：2004-03-29

Applicant: BASF AG

Inventor： RIEGEL ULRICH ,  DANIEL THOMAS ,  WEISMANTEL MATTHIAS ,  ELLIOTT MARK ,  HERMELING DIETER

IPC: C08K3/32 ,  C08J3/02 ,  C08J3/24 ,  C08L31/00 ,  B01J20/26 ,  A61L15/22

Abstract: Swellable hydrogel-forming polymers having high permeability Swellable hydrogel-forming polymer comprising at least one hydrophilic polymer of dendritic structure and at least one water-insoluble phosphate, a process for preparing the swellable hydrogel-forming polymer and also its use in hygiene articles.

公开(公告)号：ZA200502432B

公开(公告)日：2005-10-04

申请号：ZA200502432

申请日：2005-03-24

Applicant: BASF AG

Inventor： DANIEL THOMAS ,  RIEGEL ULRICH ,  ELLIOTT MARK ,  WEISMANTEL MATTHIAS ,  WENDKER MARTIN

IPC: A61L15/24 ,  A61L15/60 ,  B01J20/26 ,  C08J3/24 ,  C08L33/02 ,  C08L33/24 ,  C08L33/26 ,  C08L101/14 ,  C08L ,  A61L

Abstract: Water-absorbing product comprises water-absorbing polymer particles and a nitrogen-containing polymer containing 5-17 mole/kg of protonatable nitrogen atoms. An Independent claim is also included for production of the water-absorbing product by applying the nitrogen-containing polymer or a solution thereof onto the water-absorbing polymer particles and optionally drying the product.

公开(公告)号：CA2527362A1

公开(公告)日：2004-12-16

申请号：CA2527362

申请日：2004-06-04

Applicant: BASF AG

Inventor： FUNK RUDIGER ,  ELLIOTT MARK ,  RIEGEL ULRICH ,  DANIEL THOMAS ,  WEISMANTEL MATTHIAS ,  SCHWALM REINHOLD

IPC: C08G65/332 ,  A61L15/60 ,  C07C69/54 ,  C08G65/26

Abstract: The invention relates to novel (Meth)acrylic ester for polyalkoxylated glyco ls of formula (I) wherein AO is for each AO -0-CHR3- CHR4- or -CHR3-CHR4-0- independent of each other, R3 and R4 are H other, linear or branched Cl -C8- alkyl independent of each; p1 is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, or 35; p2 is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, or 3 5; n is 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 447, 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, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100; R1 and R2 are H or CH3 independent of each other, whereas R 3 and R4 are not simultaneously H at least for one AO in (AO)p1 and at least f or one AO in (AO)p2. A simplified method for producing said esters and the use of the thus obtained reaction mixtures are also disclosed.

公开(公告)号：AU2003264101A1

公开(公告)日：2004-04-30

申请号：AU2003264101

申请日：2003-08-25

Applicant: BASF AG

Inventor： DANIEL THOMAS ,  RIEGEL ULRICH ,  ELLIOTT MARK ,  WEISMANTEL MATTHIAS ,  WENDKER MARTIN

IPC: B01J20/26 ,  A61L15/24 ,  A61L15/60 ,  C08J3/24 ,  C08L33/02 ,  C08L33/24 ,  C08L33/26 ,  C08L101/14 ,  C08L39/02 ,  C08L57/00 ,  C08L101/00

Abstract: Water-absorbing product comprises water-absorbing polymer particles and a nitrogen-containing polymer containing 5-17 mole/kg of protonatable nitrogen atoms. An Independent claim is also included for production of the water-absorbing product by applying the nitrogen-containing polymer or a solution thereof onto the water-absorbing polymer particles and optionally drying the product.