公开(公告)号：MY138761A

公开(公告)日：2009-07-31

申请号：MYPI20040008

申请日：2004-01-02

Applicant: BASF AG

Inventor： THIEL JOACHIM DR ,  VANDENMERSCH HUGUES ,  SCHRODER JURGEN DR ,  DAMS ALBRECHT DR

IPC: B01D3/42 ,  C07C45/78 ,  C07C45/81 ,  C07C45/82 ,  C07C51/44 ,  C07C67/54

Abstract: IN A THERMAL SEPARATING PROCESS BETWEEN AT LEAST ONE GASEOUS AND AT LEAST ONE LIQUID STREAM, OF WHICH AT LEAST ONE COMPRISES (METH) ACRYLIC MONOMERS, IN A SEPARATING COLUMN CONTAINING SIEVE TRAYS AS SEPARATING INTERNALS, AT LEAST SOME OF THE SIEVE TRAYS ARE OPERATED ABOVE AN ENTRAINMENT FRACTION OF 10% BY WEIGHT.

公开(公告)号：MY130880A

公开(公告)日：2007-07-31

申请号：MYPI9905266

申请日：1999-12-03

Applicant: BASF AG

Inventor： SUTORIS HEINZ FRIEDRICH DR ,  WAGENBLAST GERHARD DR ,  SCHLIEPHAKE VOLKER DR ,  SCHRODER JURGEN DR ,  MUELLER-ENGEL KLAUS JOACHIM DR ,  KELLER HARALD DR ,  JAWOREK THOMAS DR

IPC: C07C45/86 ,  C07C69/52 ,  C07B63/04 ,  C07C47/22 ,  C07C51/50 ,  C07C51/64 ,  C07C57/075 ,  C07C67/62 ,  C07C69/54

Abstract: IN A PROCESS FOR STABILISING CHEMICAL COMPOUNDS HAVING AT LEAST ONE ETHYLENICALLY UNSATURATED BOND TO UNDESIRED FREE RADICAL POLYMERISATION, A NITROXYL RADICAL AND A CHEMICAL COMPOUND CONTAINING PHOSPHORUS IN CHEMICALLY BONDED FORM ARE ADDED TO THE UNSATURATED COMPOUND PRESENT AS PURE SUBSTANCE OR AS A COMPONENT OF A MIXTURE.

公开(公告)号：MY123466A

公开(公告)日：2006-05-31

申请号：MYPI9904854

申请日：1999-11-09

Applicant: BASF AG

Inventor： AICHINGER HEINRICH DR ,  HERBST HOLGER DR ,  NESTLER GERHARD DR ,  SCHRODER JURGEN DR ,  BECKMANN STEFAN DR

IPC: C07C29/20 ,  C07C67/08 ,  C07C67/327 ,  C07C67/60 ,  C07C69/54

Abstract: IN A PROCESS FOR ESTERIFYING (METH) ACRYLIC ACID WITH AN ALKANOL IN THE PRESENCE OF AN ESTERIFICATION CATALYST, IN WHICH UNCONVERTED STARTING COMPOUNDS AND (METH) ACRYLIC ESTER TO BE FORMED ARE SEPARATED OFF BY DISTILLATION AND AN OXYESTER-CONTAINING BOTTOM PRODUCT IS FORMED, THE BOTTOM PRODUCT IS FIRST SEPARATED OFF AND THEN THE OXYESTERS CONTAINED IN IT ARE CLEAVED IN THE PRESENCE OF A RELATIVELY LONG-CHAIN ALKYLBENZENESULFONIC ACID AT ELEVATED TEMPERATURES.

公开(公告)号：CZ9702686A3

公开(公告)日：1997-12-17

申请号：CZ268697

申请日：1996-02-27

Applicant: BASF AG

Inventor： MERKLE HANS DR ,  FRETSCHNER ERICH ,  SCHRODER JURGEN DR

IPC: C07D231/12 ,  C07D521/00

CPC classification number: C07D231/12 ,  C07D233/56 ,  C07D249/08