公开(公告)号：NO970285D0

公开(公告)日：1997-01-22

申请号：NO970285

申请日：1997-01-22

Applicant: BASF AG

Inventor： MEIER ANTON ,  HITTINGER CHRISTEL ,  SCHATZ HERMANN ,  REINER TILMAN ,  LEHNERT HEINZ ,  NIESSNER MANFRED

IPC: C08G14/06 ,  C08L61/34

公开(公告)号：NO963014D0

公开(公告)日：1996-07-19

申请号：NO963014

申请日：1996-07-19

Applicant: BASF AG

Inventor： HITTINGER CHRISTEL ,  LEHNERT HEINZ ,  SCHATZ HERMANN ,  NIESSNER MANFRED

IPC: C08G12/38 ,  C08L61/30 ,  C08L97/02

公开(公告)号：FI962921A0

公开(公告)日：1996-07-19

申请号：FI962921

申请日：1996-07-19

Applicant: BASF AG

Inventor： HITTINGER CHRISTEL ,  LEHNERT HEINZ ,  SCHATZ HERMANN ,  NIESSNER MANFRED

IPC: C08G12/38 ,  C08L61/30 ,  C08L97/02 ,  C08G ,  C08L

公开(公告)号：FI914139A0

公开(公告)日：1991-09-03

申请号：FI914139

申请日：1991-09-03

Applicant: BASF AG

Inventor： KRONER MATTHIAS ,  NIESSNER MANFRED ,  HARTMANN HEINRICH ,  VOELKER DIETER ,  HARTMANN JUERGEN ,  SCHOEPKE HOLGER

IPC: D06M13/02 ,  D06M13/184 ,  D06M13/203 ,  D06M13/224 ,  D06M13/322 ,  D06M13/402 ,  D06M13/41 ,  D06M15/15 ,  D06M15/263 ,  D06M

公开(公告)号：CA2004331A1

公开(公告)日：1990-06-24

申请号：CA2004331

申请日：1989-11-30

Applicant: BASF AG

Inventor： NIESSNER MANFRED ,  WICKEL STEFAN ,  HEIDE WILFRIED ,  HARTMANN HEINRICH

IPC: A61L15/24 ,  A61L15/60 ,  C08F2/10 ,  C08F2/20 ,  C08F2/24 ,  C08F220/04 ,  C08F220/06 ,  C08F290/00 ,  C08F290/04 ,  C08F299/02 ,  C08F2/04

Abstract: O.Z. 0050/4043 Finely divided, gel-like, water-swellable copolymers are prepared by copolymerizing (a) 100 parts by weight of water-soluble, monoethylenically unsaturated monomers, (b) from 0.01 to 5 parts by weight of monomers containing two or more ethylenically unsaturated double bonds and (c) from 0 to 20 parts by weight of water-insoluble, monoethylenically unsaturated monomers in 20-80% strength by weight aqueous solution in the presence of a polymerization initiator and from 0.1 to 10% by weight, based on the monomers used in the copolymerization, of a surfactant, by a process in which the monomers are copolymerized in the presence of initially from 0 to 50% by weight of the amount of surfactant to a conversion of not less than 60%, the remaining amount of surfactant is then added to the reaction mixture and the copolymerization is completed and the resulting gel particles dried.