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:
Feb. 16, 1993
Filed:
Jun. 26, 1990
Applicant:
Inventors:
Edgar C Baker, Bridgewater, NJ (US);
John H Moorhouse, Kendall Park, NJ (US);
Allen Noshay, East Brunswick, 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 ; 526153 ; 526156 ; 5261692 ; 526336 ; 526901 ; 526907 ; 502104 ; 502118 ; 502128 ;
Abstract
An improved polymerization process for making essentially nonagglomerated ethylene polymers, especially EPR polymers, based on the use of a stage-modified high activity vanadium catalyst, under polymerization conditions that normally would yield an undesirable amount of agglomerated polymer.