(19)
(11) EP 2 235 067 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
23.11.2016 Bulletin 2016/47

(45) Mention of the grant of the patent:
07.09.2016 Bulletin 2016/36

(21) Application number: 08863188.2

(22) Date of filing: 11.12.2008
(51) International Patent Classification (IPC): 
C08C 19/44(2006.01)
C08F 236/06(2006.01)
(86) International application number:
PCT/IB2008/003442
(87) International publication number:
WO 2009/077839 (25.06.2009 Gazette 2009/26)

(54)

PROCESS FOR THE PREPARATION OF A 1,3-BUTADIENE AND STYRENE COPOLYMER CONTAINING A RANDOM SECTION IN ITS MAIN CHAIN FOLLOWED BY A BLOCK WITH A STRUCTURE DIFFERENTIATED FROM THE MAIN CHAIN. HOMOPOLYMERIC OR COPOLYMERIC. FUNCTIONALIZED AND THE PRODUCT OBTAINED FROM THIS.

VERFAHREN ZUR HERSTELLUNG VON EINEM 1,3-BUTADIEN UND STYRENCOPOLYMER MIT EINEM ZUFALLSABSCHNITT IN SEINER KETTE GEFOLGT VON EINEM BLOCK MIT EINER ANDEREN STRUKTUR ALS DIE HOMOPOLYMER- ODER COPOLYMERFUNKTIONALISIERTE HAUPTKETTE UND DAS DARAUS ERZIELTE PRODUKT

PROCEDE DE PREPARATION D'UN COPOLYMERE 1,3-BUTADIENE ET STYRENE CONTENANT UNE PARTIE ALEATOIRE DANS SA CHAINE PRINCIPALE SUIVIE D'UN BLOC PRESENTANT UNE STRUCTURE DIFFERENCIEE DE LA CHAINE PRINCIPALE, HOMOPOLYMERE OU COPOLYMERE, FONCTIONNALISEE, ET PRODUIT OBTENU A PARTIR DUDIT COPOLYMERE


(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

(30) Priority: 14.12.2007 BR PI0704674

(43) Date of publication of application:
06.10.2010 Bulletin 2010/40

(73) Proprietor: ARLANXEO Brasil S.A.
BR-RJ 25221 Rio de Janeiro (BR)

(72) Inventors:
  • NICOLIN, Luiz, Fernando
    RJ 20040-040 Rio de Janeiro (BR)
  • DE LIRA, Clóvis, Henriques
    RJ 24230-061 Niterói (BR)
  • DE ALBUQUERQUE CAMPOS, Carlos, Roberto
    PE 54450-170 Jaboatão dos Guararapes (BR)
  • FIGUEIRÊDO, Fernando, Vasconcelos
    PE 50740-330 Recife (BR)
  • DOLINSKY, Mauro Cresta de Barros
    RJ 24230-322 Niterói (BR)
  • PIRES, Neusa, Maria, Toccheto
    RJ 21941-260 Ilha do Governador (BR)
  • DE SANT'ANNA, Mônica de Almeida
    RJ 25615-054 Petrópolis (BR)

(74) Representative: Wichmann, Birgid 
LANXESS Deutschland GmbH LEX-IPR Kennedyplatz 1
50569 Köln
50569 Köln (DE)


(56) References cited: : 
US-A- 6 013 718
US-A1- 2005 101 743
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).