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:
Apr. 21, 2009
Filed:
May. 27, 2004
Applicant:
Stanley E. Wilson, Houston, TX (US);
Inventor:
Stanley E. Wilson, Houston, TX (US);
Assignee:
Union Carbide Chemicals & Plastics Technology LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/616 (2006.01);
U.S. Cl.
CPC ...
Abstract
A catalyst composition for the polymerization of olefins comprising the combination of one or more Ziegler-Natta procatalysts comprising one or more transition metal compounds; one or more aluminum containing cocatalysts; and a mixture comprising two or more selectivity control agents (SCA's), corresponding to the formula: (CHO)Si(OR), wherein R, independently each occurrence, is Calkyl, Ccycloalkyl, Caryl or (poly)alkyl-substituted aryl, or Cpoly(aryl)-substituted alkyl, and n is an integer from zero to 4.