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.:

US 8222358 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 17, 2012

Filed:

Jan. 26, 2007
Applicants:

George Rodriguez, Houston, TX (US);

Bruce Allan Harrington, Houston, TX (US);

Inventors:

George Rodriguez, Houston, TX (US);

Bruce Allan Harrington, Houston, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/6592 (2006.01); C08F 4/643 (2006.01); B01J 31/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

In a process for producing a propylene copolymer, propylene and at least one olefin monomer selected from ethylene and alpha olefins having 4 to 20 carbon atoms are contacted with a catalyst system comprising (a) a catalyst precursor comprising an organometallic compound and (b) an activator comprising a fluoroarylborate anion represented by the formula:Ct[B(Ar)(R)]where Ctis a cation capable of extracting an alkyl group from, or breaking a carbon-metal bond of, the organometallic compound; Ar is a fluorophenyl group; R is a fluoronaphthyl group and each of x and n is 1, 2, or 3, with the proviso that the sum of x+n=4.


Find Patent Forward Citations

Rodriguez, George. (2012). Process for producing propylene copolymers (U.S. Patent No. 8222358). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8222358

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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