Global Patent Index - EP 0973707 A1

EP 0973707 A1 20000126 - METHOD FOR ELIMINATING INHIBITORS OF POLYMERISATION OF MONOMER MIXTURES USING AN ALUMINA WITH OPTIMISED FORM

Title (en)

METHOD FOR ELIMINATING INHIBITORS OF POLYMERISATION OF MONOMER MIXTURES USING AN ALUMINA WITH OPTIMISED FORM

Title (de)

ENTFERNUNG VON POLYMERISIERUNGSINHIBITOREN AUS MISCHUNGEN VON MONOMEREN MITTELS OPTIMIERTEN ALUMINIUMOXIDS

Title (fr)

PROCEDE D'ELIMINATION D'INHIBITEURS DE POLYMERISATION DE MELANGES DE MONOMERES A L'AIDE D'UNE ALUMINE DE FORME OPTIMISEE

Publication

EP 0973707 A1 20000126 (FR)

Application

EP 98902068 A 19980113

Priority

  • FR 9800053 W 19980113
  • FR 9700625 A 19970122

Abstract (en)

[origin: FR2758554A1] The invention concerns a method for adsorbing inhibitors of polymerisation of ethylenically unsaturate monomers which consists in contacting these inhibitors with an alumina derived from forming by coagulation or by mixing and extruding.

IPC 1-7

C07B 63/00; C07C 7/12

IPC 8 full level

C07C 7/12 (2006.01); C07B 63/00 (2006.01); C07C 15/46 (2006.01)

CPC (source: EP)

C07B 63/00 (2013.01)

Citation (search report)

See references of WO 9832717A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

FR 2758554 A1 19980724; FR 2758554 B1 19990416; AU 5870798 A 19980818; BR 9806983 A 20000314; CN 1248234 A 20000322; EP 0973707 A1 20000126; JP 2000513007 A 20001003; KR 20000070327 A 20001125; NO 993555 D0 19990720; NO 993555 L 19990920; TW 394781 B 20000621; US 6174480 B1 20010116; WO 9832717 A1 19980730

DOCDB simple family (application)

FR 9700625 A 19970122; AU 5870798 A 19980113; BR 9806983 A 19980113; CN 98802729 A 19980113; EP 98902068 A 19980113; FR 9800053 W 19980113; JP 53166298 A 19980113; KR 19997006558 A 19990720; NO 993555 A 19990720; TW 87100707 A 19980120; US 34195699 A 19990909