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. 01, 1986
Filed:
Feb. 11, 1985
Applicant:
Inventors:
Joelle Collomb, Marseilles, FR;
Laszlo Havas, Martigues, FR;
Assignee:
BP Chemicals Limited, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
502104 ; 502115 ; 502121 ; 502122 ; 502123 ; 502124 ; 502126 ; 502132 ; 502134 ; 526125 ;
Abstract
New catalysts which can be used for the polymerization and copolymerization of ethylene, comprising a support consisting basically of magnesium chloride on which is deposited by precipitation a vanadium compound, obtained by bringing a vanadium compound in which the vanadium is at one of the two maximum valencies 4 and 5 in contact with a support consisting basically of magnesium chloride and optionally of aluminium chloride and comprising products with an Mg--C bond.