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:
Jan. 06, 1987
Filed:
Jan. 09, 1985
Applicant:
Inventors:
Yu-Tang Hwang, Clinton, IA (US);
Lloyd Pebsworth, Clinton, IA (US);
Robert A Dombro, Palatine, IL (US);
Raymond E Hoff, Palatine, IL (US);
Assignee:
Chemplex Company, Rolling Meadows, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526 84 ; 526 82 ; 526 83 ; 526 85 ;
Abstract
An improved method of terminating ethylene polymerization and interpolymerization reactions by deactivating the Ziegler-type catalyst used in the reaction comprises the step of injecting a selected deactivating agent into the molten polymer solution in the polymerization reactor prior to degassing of the polymer solution. The deactivating agent is selected from the group consisting of: