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:
May. 08, 1990
Filed:
Apr. 14, 1989
Applicant:
Inventors:
Sun-Chueh Kao, Piscataway, NJ (US);
Kevin J Cann, Belle Mead, NJ (US);
Frederick J Karol, Belle Mead, NJ (US);
Arthur E Marcinkowsky, Charleston, WV (US);
Mark G Goode, St. Albans, WV (US);
Eugene H Theobald, Poca, WV (US);
Assignee:
Union Carbide Chemicals and Plastics Company Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526133 ; 526141 ; 526142 ; 5263482 ; 502119 ;
Abstract
A vanadium-based catalyst is treated with certain oxygen-containing compounds as a means of narrowing and effectively regulating the molecular weight distribution of the polymers produced with the catalyst.