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:
Jun. 15, 2010
Filed:
Apr. 19, 2005
Shojiro Tanase, Ichihara, JP;
Nobuhiro Yabunouchi, Sodegaura, JP;
Takehito Konakazawa, Ichihara, JP;
Takanori Sadashima, Sumida-ku, JP;
Kiyokazu Katayama, Ichihara, JP;
Kenji Tanaka, Ichihara, JP;
Hideaki Noda, Ichihara, JP;
Shojiro Tanase, Ichihara, JP;
Nobuhiro Yabunouchi, Sodegaura, JP;
Takehito Konakazawa, Ichihara, JP;
Takanori Sadashima, Sumida-ku, JP;
Kiyokazu Katayama, Ichihara, JP;
Kenji Tanaka, Ichihara, JP;
Hideaki Noda, Ichihara, JP;
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Abstract
A magnesium compound represented by the formula (I):Mg(OCH)(OR)  (I)where Ris CH(where m is an integer of from 3 to 10), and n is a numerical value satisfying 0<n<0.35; a solid catalyst component for olefin polymer using the magnesium compound; a catalyst for olefin polymer; and methods of producing olefin copolymers such as a propylene-based random copolymer and propylene-based block copolymer by using the catalyst for olefin polymer.