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.

Date of Patent:
Mar. 07, 2006

Filed:

Dec. 18, 2000
Applicants:

Sung Cheol Yoon, Seoul, KR;

Xuequan Zhang, Taegeon, KR;

Jae Gon Lim, Taegeon, KR;

Hyun Joon Kim, Taegeon, KR;

Young Sub Lee, Taegeon, KR;

Inventors:

Sung Cheol Yoon, Seoul, KR;

Xuequan Zhang, Taegeon, KR;

Jae Gon Lim, Taegeon, KR;

Hyun Joon Kim, Taegeon, KR;

Young Sub Lee, Taegeon, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/64 (2006.01); C08F 4/42 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides a supported catalyst comprising (A) a polymer (B) a supporter, (C) a transition metal compound, and optionally (D) (a) a compound which can form an ionic complex by the reaction with the transition metal compound or (b) a specific oxygen-containing compound, and (E) an alkylaluminum compound. The supported catalyst according to present invention, which has a high activity, can be used for preparing a styrenic polymer with a high syndiotacticity. The supported catalyst can be used in combination with a cocatalyst, preferably an alkyl aluminoxane.


Find Patent Forward Citations

Yoon, Sung. (2006). Supported catalyst for producing syndiotactic styrenic polymer (U.S. Patent No. 7009012). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7009012

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

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