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:
Oct. 24, 1989
Filed:
Sep. 20, 1988
Applicant:
Inventors:
Bernard D Fulks, Victoria, TX (US);
Steven P Sawin, Charleston, WV (US);
Collin D Aikman, Charleston, WV (US);
John M Jenkins, III, South Charleston, WV (US);
Assignee:
Union Carbide Chemicals and Plastics Company Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08F / ;
U.S. Cl.
CPC ...
526 62 ; 526 74 ; 526 88 ; 5263482 ; 5263484 ; 5263485 ; 5263486 ; 5263522 ; 526901 ;
Abstract
A process for reducing sheeting during production of polyolefins by polymerization of alpha-olefins utilizing titanium based polymerization catalysts wherein the static electric charges in the reactor at the side of possible sheet formation are maintained below static voltage levels which would otherwise cause sheet formation.