Global Patent Index - EP 1448506 A1

EP 1448506 A1 20040825 - METHOD FOR PRODUCING (METH)ACRYLIC ACID ESTERS OF POLYHYDRIC ALCOHOLS

Title (en)

METHOD FOR PRODUCING (METH)ACRYLIC ACID ESTERS OF POLYHYDRIC ALCOHOLS

Title (de)

VERFAHREN ZUR HERSTELLUNG VON (METH) ACRYLSÄUREESTERN MEHRWERTIGER ALKOHOLE

Title (fr)

PROCEDE DE PREPARATION D'ESTERS D'ACIDE (METH)ACRYLIQUE D'ALCOOLS PLURIVALENTS

Publication

EP 1448506 A1 20040825 (DE)

Application

EP 02802997 A 20021108

Priority

  • DE 10156116 A 20011115
  • EP 0212491 W 20021108

Abstract (en)

[origin: US2005010065A1] (Meth)acrylates of polyhydric alcohols are prepared by reacting (meth)acrylic acid and the corresponding polyhydric alcohol in the presence of at least one acidic catalyst and, if required, at least one polymerization inhibitor and in the presence or absence of a solvent, by a process in which the polyhydric alcohol used contains less than 500 ppm of bound formaldehyde.

IPC 1-7

C07C 67/08; C07C 69/54

IPC 8 full level

C07C 67/08 (2006.01); C07B 61/00 (2006.01); C07C 29/141 (2006.01); C07C 29/80 (2006.01); C07C 31/22 (2006.01); C07C 51/50 (2006.01); C07C 67/62 (2006.01); C07C 69/54 (2006.01)

CPC (source: EP KR US)

C07C 51/50 (2013.01 - EP US); C07C 67/08 (2013.01 - KR); C07C 67/62 (2013.01 - EP US)

C-Set (source: EP US)

  1. C07C 51/50 + C07C 57/04
  2. C07C 67/62 + C07C 69/54

Citation (search report)

See references of WO 03042151A1

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

DOCDB simple family (publication)

US 2005010065 A1 20050113; AU 2002356570 A1 20030526; BR 0214133 A 20041013; CN 1585736 A 20050223; DE 10156116 A1 20030626; EP 1448506 A1 20040825; JP 2005509018 A 20050407; KR 20040066121 A 20040723; MX PA04004349 A 20040811; WO 03042151 A1 20030522; WO 03042151 A8 20040624

DOCDB simple family (application)

US 49452204 A 20040514; AU 2002356570 A 20021108; BR 0214133 A 20021108; CN 02822554 A 20021108; DE 10156116 A 20011115; EP 0212491 W 20021108; EP 02802997 A 20021108; JP 2003543988 A 20021108; KR 20047007399 A 20021108; MX PA04004349 A 20021108