公开(公告)号：AT490231T

公开(公告)日：2010-12-15

申请号：AT05700997

申请日：2005-01-18

Applicant: BASF SE

Inventor： URBAN DIETER ,  SCHWALM REINHOLD ,  KIRSCH STEFAN ,  EXNER KAI ,  CENTNER ALEXANDER

IPC: C07C69/54 ,  C07C67/08 ,  C07C67/26 ,  C07C69/732 ,  C07C233/20 ,  C08L33/00

Abstract: The invention relates to a dispersion or solution of a polymer in water, organic solvents or mixtures thereof. The invention is characterised in that the polymer contains at least 0.001 mols of 3,4 dihydroxyphenyl groups (calculated at 109 g/mol) for 100 g polymer.

公开(公告)号：AT474844T

公开(公告)日：2010-08-15

申请号：AT04820433

申请日：2004-12-14

Applicant: BASF SE

Inventor： SZARVAS LASZLO ,  MASSONNE KLEMENS ,  LAAS HARALD ,  EXNER KAI ,  GLAS DETLEV

IPC: C07F9/54

Abstract: The present invention relates to a process for preparing quaternary phosphonium salts by reacting a ternary phosphine with an optionally substituted, saturated or monounsaturated or polyunsaturated electrophile having from 3 to 25 carbon atoms in ternary solvent mixtures.

公开(公告)号：AT468361T

公开(公告)日：2010-06-15

申请号：AT04740716

申请日：2004-07-07

Applicant: BASF SE

Inventor： DANIEL THOMAS ,  RIEGEL ULRICH ,  ELLIOT MARK ,  VON OEHSEN UBBO ,  EXNER KAI ,  MASSONNE KLEMENS

IPC: C08F8/30 ,  A61L15/60 ,  C08J3/24 ,  C08L101/14

Abstract: A process for the post crosslinking of water absorbing polymers comprises treatment with a bicyclic amideacetal crosslinking agent with simultaneous or subsequent heating. A process for the post crosslinking of water absorbing polymers comprises treatment with a bicyclic amideacetal crosslinking agent (I) of formula (I) with simultaneous or subsequent heating. [Image] R 1>-R 9>H, 1-12 C alkyl, 2-12 C alkenyl or 6-12 C aryl, all optionally halogenated An independent claim is included for the resulting water absorbing polymer.