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. 14, 2021
Filed:
Dec. 29, 2016
Applicant:
Braskem America, Inc., Philadephia, PA (US);
Inventors:
Brandi Mitchell, Glenshaw, PA (US);
Craig Meverden, Pittsburgh, PA (US);
Assignee:
BRASKEM AMERICA, INC., Philadephia, PA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/00 (2006.01); C08F 4/649 (2006.01); B01J 31/38 (2006.01); C08F 110/06 (2006.01); C08F 210/06 (2006.01); C08F 10/06 (2006.01); C08F 4/02 (2006.01); C08F 4/651 (2006.01);
U.S. Cl.
CPC ...
C08F 4/6494 (2013.01); B01J 31/38 (2013.01); C08F 4/022 (2013.01); C08F 4/651 (2013.01); C08F 10/06 (2013.01); C08F 110/06 (2013.01); C08F 210/06 (2013.01); B01J 2231/12 (2013.01); B01J 2523/22 (2013.01); B01J 2523/47 (2013.01); C08F 2500/04 (2013.01); C08F 2500/12 (2013.01); C08F 2500/15 (2013.01);
Abstract
This invention relates to a non-phthalate catalyst system for olefin polymerization. The non-phthalate catalyst system comprises (a) a solid Ziegler-Natta catalyst composition comprising a transition metal, a Group 2 metal, and one or more halogens; and one or more internal electron donor compounds; and (b) one or more external electron donor compounds.