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. 23, 1991
Filed:
Jul. 30, 1990
Applicant:
Inventors:
Ronald S Eisinger, Charleston, WV (US);
Mark G Goode, Saint Albans, WV (US);
Daniel M Hasenberg, Hurricane, WV (US);
Kiu H Lee, South Charleston, WV (US);
Assignee:
Union Carbide Chemicals and Plastics Technology Corporation, Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526 68 ; 526 69 ; 526 74 ; 526138 ; 5263486 ; 5263485 ; 526901 ;
Abstract
A process for reducing sheeting during gas phase polymerization of alpha-olefins utilizing catalysts prone to cause sheeting wherein the gaseous feed stream containing monomer comonomer hydrogen and inert gas is introduced into the reactor through the recycle stream to the reactor at a point prior to cooling the recycle stream.