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. 06, 2005
Filed:
Jun. 15, 2001
Kiyohiko Yokota, Chiba, JP;
Noriyuki Tani, Chiba, JP;
Takashi Kanesaki, Chiba, JP;
Nobuhide Ishihara, Chiba, JP;
Kiyohiko Yokota, Chiba, JP;
Noriyuki Tani, Chiba, JP;
Takashi Kanesaki, Chiba, JP;
Nobuhide Ishihara, Chiba, JP;
Idemitsu Kosan Co. Ltd., Tokyo, JP;
Abstract
The α-olefin-aromatic vinyl compound copolymer of the present invention is obtained by using a transition metal compound represented by the following Formula (1) and a promoter component to carry out copolymerization, and it is a novel α-olefin-aromatic vinyl compound copolymer having a low alternating property and a high blocking property, particularly a high blocking property related to the aromatic vinyl compound:wherein Aand Arepresent a cyclopentadienyl group, a substituted cyclopentadienyl group or the like; Yand Yrepresent a substituted or unsubstituted alkylene group or the like, and at least one of them is the substituted or unsubstituted alkylene group; Mrepresents titanium or the like; Xand Xrepresent a hydrogen atom, a halogen atom or the like.