The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 13, 1982
Filed:
Jul. 01, 1980
Applicant:
Inventors:
Angus J Hartshorn, Runcorn, GB;
Eric Jones, Kelsall, GB;
Assignee:
Imperial Chemical Industries Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
2524 / ; 2524 / ; 526114 ; 526116 ; 526119 ; 526129 ; 526137 ; 526151 ;
Abstract
A component for an olefin polymerisation catalyst which component is the product of treating a particulate support material with (a) an organomagnesium compound, (b) a transition metal compound of Groups IVA, VA or VIA, e.g. bis-butoxy titanium dichloride, (c) a pacifying agent, e.g. HCl and (d) optionally an aluminium compound, e.g. ethyl aluminium dichloride, an organometallic compound, e.g. zirconium tetrabenzyl, a halogenating agent e.g. silicon tetrachloride, or a Lewis Base compound, e.g. ethyl benzoate.