Patents Assigned to Arvo Kulo
  • Stereospecific catalyst system intended for the polymerization of olefins
    Patent number: 5227355
    Abstract: A good activity and stereospecifity have been achieved by a catalyst system intended for the polymerization of olefins comprising a procatalyst based on a titanium compound, an organoaluminium cocatalyst and an organosilane compound, the organosilane compound having the following formula (I) ##STR1## in which R is a lower alkyl, R' is an alkyl, R" is a substituent donating electrons, n=1, 2, or 3, m=0, 1, or 2, and n+m.ltoreq.3.
    Type: Grant
    Filed: December 17, 1991
    Date of Patent: July 13, 1993
    Assignees: Jukka Seppala, Mika Harkonen, Arvo Kulo
    Inventors: Jukka Seppala, Mika Harkonen, Arvo Kulo