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 7871951 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 18, 2011

Filed:

Mar. 23, 2009
Applicants:

Shojiro Tanase, Ichihara, JP;

Nobuhiro Yabunouchi, Sodegaura, JP;

Takanori Sadashima, Sumida-ku, JP;

Inventors:

Shojiro Tanase, Ichihara, JP;

Nobuhiro Yabunouchi, Sodegaura, JP;

Takanori Sadashima, Sumida-ku, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J 37/00 (2006.01); C08F 4/60 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for producing magnesium compound represented by formula (I):Mg(OEt)(OMe)  (I)where Et is an ethyl group, Me is a methyl group and n is a numerical value of from 0.001 to 1, by reacting metal magnesium, ethanol, methanol and a halogen and/or a halogen-containing compound containing at least 0.0001 gram atom of a halogen atom relative to one gram atom of the metal magnesium. A method of producing a solid catalyst component.


Find Patent Forward Citations

Tanase, Shojiro. (2011). Magnesium compound, solid catalyst component, catalyst for olefin polymerization and method of producing polyolefin (U.S. Patent No. 7871951). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7871951

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