Patents by Inventor Arvo Kulo

Arvo Kulo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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