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:
Sep. 01, 1981
Filed:
Sep. 29, 1980
Applicant:
Inventors:
Glenn O Michaels, South Holland, IL (US);
Michael J Spangler, South Holland, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526 86 ; 526 87 ; 526352 ; 526901 ; 526903 ; 526909 ;
Abstract
A process for controlling polymer particle size distribution in the vapor phase polymerization of olefins comprises contacting fresh catalyst with a stream of wetting liquid before the catalyst is dispersed in the polymer bed, said wetting liquid being introduced at a wetting liquid flux density greater than about 20.