Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1990-11-19
1992-06-16
Garvin, Patrick P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526124, 526127, 526159, 526351, 526128, 502104, 502108, C08F 464
Patent
active
051225832
ABSTRACT:
The invention provides a process for increasing the efficiency of pre-polymerized catalysts used in the polymerization of olefins. The invention includes contacting a pre-polymerized catalyst with a cocatalyst or a mixture of cocatalyst and an electron donor prior to introducing the catalyst into a polymerization reaction zone.
REFERENCES:
patent: 4200717 (1980-04-01), Abe et al.
patent: 4540679 (1985-09-01), Arzoumanidis et al.
patent: 4567155 (1986-01-01), Tovrog et al.
patent: 4579836 (1986-04-01), Arzoumanidis et al.
patent: 4581342 (1986-04-01), Johnson et al.
patent: 4612299 (1986-09-01), Arzoumanidis et al.
patent: 4657882 (1987-04-01), Karayannis et al.
Bitzer Alan H.
Ewen John A.
Gressett David L.
Hummel Herbert G.
Abokhair John K.
Fina Technology, Inc.
Garvin Patrick P.
Jackson William D.
Wheelington Jim D.
LandOfFree
Efficiency of a pre-polymerized catalyst does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Efficiency of a pre-polymerized catalyst, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Efficiency of a pre-polymerized catalyst will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1754722