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:
Jul. 03, 1984
Filed:
Mar. 18, 1983
Applicant:
Inventors:
Charles T Berge, Ponca City, OK (US);
Mark P Mack, Ponca City, OK (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
502104 ; 502113 ; 502116 ; 502117 ; 502119 ; 502125 ; 502126 ; 526128 ;
Abstract
Reaction products of organic magnesium compounds and silyl esters and/or poly (silyl esters) are contacted with transition metal compounds to yield active polymerization catalysts. In a preferred embodiment, the active polymerization catalyst is further activated by contacting with a halogenating agent soluble in a hydrocarbon solvent.