Process for producing olefin polymers or copolymers

Details Process for producing olefin polymers or copolymers Process for producing olefin polymers or copolymers

Filed on

1987-01-15

Date issued

1988-05-03

Examiner

Smith, Edward J.

Patent Class

Synthetic resins or natural rubbers -- part of the class 520 ser

SubClass

Synthetic resins

SubSubClass

Polymers from only ethylenic monomers or processes of...

Other Related Categories

502119, 502133, 502134, 526124, 526351, C08F 402, C08F 1000

Type

Patent

Status

active

Patent number

047421398

Description

ABSTRACT:
In a process for producing olefin polymer or copolymer by using a catalyst composed of (A) a solid titanium catalyst component containing magnesium, titanium, halogen and an electron donor and derived from a magnesium-containing solid carrier obtained by contacting a magnesium compound in the liquid state with a precipitant, and (B) an organometallic compound of a metal selected from the group consisting of metals of Groups I to III of the periodic table; the improvement wherein

REFERENCES:
patent: 4071672 (1978-01-01), Kashiwa
patent: 4076924 (1978-02-01), Toyota et al.
patent: 4085276 (1978-04-01), Toyota et al.
patent: 4115319 (1978-09-01), Scata et al.
patent: 4149990 (1979-04-01), Giannini et al.
patent: 4168361 (1979-09-01), Oda et al.
patent: 4330649 (1982-05-01), Kioka et al.

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