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:
Jul. 05, 2016
Filed:
Nov. 16, 2007
Yasushi Tohi, Ichihara, JP;
Masahiko Okamoto, Chiba, JP;
Ryoji Mori, Ichihara, JP;
Tatsuya Nakamura, Ichihara, JP;
Takashi Yukita, Chiba, JP;
Takashi Nakagawa, Ichihara, JP;
Miyuki Konno, Nerima-ku, JP;
Yuichi Yamamura, Ichihara, JP;
Shiegenobu Ikenaga, Ichihara, JP;
Mayumi Hiwara, Chiba, JP;
Naritoshi Hirota, Takaishi, JP;
Hiromasa Marubayashi, Chigasaki, JP;
Kouji Nagahashi, Kuga-gun, JP;
Shiro Otsuzuki, Hatsukaichi, JP;
Tomohiro Yamaguchi, Kuga-gun, JP;
Masashi Higuchi, Takaishi, JP;
Yasuo Ichiki, Takaishi, JP;
Takayuki Kajihara, Funabashi, JP;
Yasushi Tohi, Ichihara, JP;
Masahiko Okamoto, Chiba, JP;
Ryoji Mori, Ichihara, JP;
Tatsuya Nakamura, Ichihara, JP;
Takashi Yukita, Chiba, JP;
Takashi Nakagawa, Ichihara, JP;
Miyuki Konno, Nerima-ku, JP;
Yuichi Yamamura, Ichihara, JP;
Shiegenobu Ikenaga, Ichihara, JP;
Mayumi Hiwara, Chiba, JP;
Naritoshi Hirota, Takaishi, JP;
Hiromasa Marubayashi, Chigasaki, JP;
Kouji Nagahashi, Kuga-gun, JP;
Shiro Otsuzuki, Hatsukaichi, JP;
Tomohiro Yamaguchi, Kuga-gun, JP;
Masashi Higuchi, Takaishi, JP;
Yasuo Ichiki, Takaishi, JP;
Takayuki Kajihara, Funabashi, JP;
MITSUI CHEMICALS, INC., Tokyo, JP;
Abstract
A catalyst for olefin polymerization, comprising: wherein in Formula [1-1], R, R, R, R, R, R, R, and Rare each selected from a hydrogen, a hydrocarbon group and a silicon-containing group; the four groups of R, R, R, and Rare not hydrogen atoms, and are each selected from a hydrocarbon group or a silicon-containing group; Rand Rare each a hydrocarbon group or the like, excluding a hydrogen atom and a methyl group; M is Ti, Zr or the like; Y is carbon or the like; Q is a halogen or the like; and j is an integer from 1 to 4.