(19)
(11) EP 0 427 830 A1

(12)

(43) Date of publication:
22.05.1991 Bulletin 1991/21

(21) Application number: 90907088.0

(22) Date of filing: 23.05.1990
(51) International Patent Classification (IPC): 
C07C 2/ 08( . )
C08F 4/ 02( . )
C08F 110/ 02( . )
C08F 4/ 00( . )
C08F 110/ 00( . )
(86) International application number:
PCT/FI1990/000144
(87) International publication number:
WO 1990/015085 (13.12.1990 Gazette 1990/28)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB IT LI LU NL SE

(30) Priority: 05.06.1989 FI 19890002742

(71) Applicant: NESTE OY
SF-02150 Espoo 15 (FI)

(72) Inventors:
  • PULKKINEN, Erkki
    SF-90460 Oulunsalo (FI)
  • KIVIMÄKI, Liisa
    SF-90230 Oulu (FI)
  • LOGREN, Rauno
    SF-90800 Oulu (FI)
  • KOSKIMIES, Salme
    SF-00930 Helsinki (FI)
  • SIIRILÄ, Marjaana
    SF-90570 Oulu (FI)

(74) Representative: Bühling, Gerhard, Dipl.-Chem., et al 
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
D-80336 München
D-80336 München (DE)

   


(54) METHOD FOR ADJUSTING MOLECULAR WEIGHT DISTRIBUTION AND MOLECULAR WEIGHT OF OLIGOMERIZATION/POLIMERIZATION PRODUCT OF ETHYLENE