Patent · US Active

Processes for producing a catalyst component for addition polymerization, a catalyst and an addition polymer

US7872080B2 · kind B2 · utility

0Cited by

1References

7Claims

0Family size

Assignee

SUMITOMO CHEMICAL COMPANY, LIMITED · JP

Inventors

Takeshi Hatakeyama · Chiba, JP
Takuya Ogane · Sodegaura, JP

Key dates

Filing date	Mar 4, 2009
Grant date	Jan 18, 2011
Priority date	—
Expiry date	Mar 4, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F210/16
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A production process of a polymerization catalyst component includes contacting compound (a) such as diethyl zinc represented by the defined formula [1], a compound (b) such as pentafluorophenol, represented by the defined formula [2], a compound (c) such as water, represented by the defined formula [3], and particles (d), such as silica, with one another in a hydrocarbon solvent under an agitator power of 0.05 kW/m3 or greater.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.