(19)
(11) EP 1 098 927 A1

(12)

(43) Date of publication:
16.05.2001 Bulletin 2001/20

(21) Application number: 00922681.2

(22) Date of filing: 28.04.2000
(51) International Patent Classification (IPC)7: C08J 9/20, C08F 2/22, C08F 265/04
(86) International application number:
PCT/FI0000/371
(87) International publication number:
WO 0068/304 (16.11.2000 Gazette 2000/46)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 07.05.1999 FI 991051

(71) Applicant: Neste Chemicals Oy
02151 Espoo (FI)

(72) Inventors:
  • PAVLYUCHENKO, Valery
    St.Petersburg, 195253 (RU)
  • IVANCHEV, Sergey
    St.Petersburg, 199226 (RU)
  • SOROCHINSKAYA, Olga
    St.Petersburg 191014 (RU)
  • SKRIFVARS, Mikael
    S-94133 Pitea (SE)
  • KOSKINEN, Jukka
    FIN-02160 Espoo (FI)
  • LAAMANEN, Hanna
    FIN-00810 Helsinki (FI)
  • KÄRNÄ, Toivo
    FIN-06400 Porvoo (FI)

(74) Representative: Kurki, Reijo Ensio et al
Fortum Technology,Patent Services,P.O. Box 310
06101 Porvoo
06101 Porvoo (FI)

   


(54) PREPARATION OF CORE-SHELL POLYMER PARTICLES CONTAINING VOIDS