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. 25, 1995
Filed:
Mar. 31, 1994
Applicant:
Inventor:
Xinlai Bai, Piscataway, NJ (US);
Assignee:
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526133 ; 526129 ; 526144 ; 526151 ; 526336 ; 526901 ; 526904 ;
Abstract
A process for the production of a homogeneous polyethylene comprising contacting ethylene, one or more alpha-olefins, and one or more unconjugated dienes, under polymerization conditions, with a catalyst system comprising: (A ) a modified supported vanadium based catalyst precursor; (B) an alkylaluminmn halide cocatalyst; and (C) a promoter consisting of an unsaturated aliphatic halocarbon or a haloalkyl substituted aromatic hydrocarbon with the proviso that sufficient unconjugated diene is present to provide in the homogeneous polyethylene about 0.01 to less than about one percent by weight diene.