Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1990-03-06
1991-11-12
Garvin, Patrick P.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502103, 502113, 502152, 526114, C08F 4646
Patent
active
050647970
ABSTRACT:
A process for producing a polyolefin having a multimodal molecular weight distribution wherein the polymerization is conducted in the presence of hydrogen and a catalyst system containing aluminoxane and at least two different metallocenes each having different olefin polymerization termination rate constants in the presence of hydrogen, and the process of producing the catalyst system.
REFERENCES:
patent: 2827446 (1958-03-01), Breslow
patent: 3462406 (1969-08-01), Natta et al.
patent: 3472829 (1969-10-01), Claybaugh et al.
patent: 3678025 (1972-07-01), Birrell
patent: 4109071 (1978-08-01), Berger et al.
patent: 4404344 (1983-09-01), Simm et al.
patent: 4530914 (1985-07-01), Ewen et al.
patent: 4542199 (1985-09-01), Kaminsky et al.
patent: 4752597 (1988-06-01), Turner
patent: 4937299 (1990-06-01), Ewen et al.
Cintar et al., Makromol. Chem. 182, 1127-1134 (1981).
Herwig et al., Polymer Bulletin, 9, 464-469 (1983).
Kaminsky et al., Makromol. Chem. 5, 225-228 (1984).
Garvin Patrick P.
Jolly Lynda S.
Phillips Petroleum Company
LandOfFree
Process for producing polyolefins and polyolefin catalysts does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Process for producing polyolefins and polyolefin catalysts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing polyolefins and polyolefin catalysts will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1013042