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:
Jan. 19, 2010
Filed:
Dec. 28, 2005
Applicants:
Takeshi Niitani, Ichihara, JP;
Mitsuo Sawamoto, Kyoto, JP;
Tsuyoshi Andoh, Kyoto, JP;
Inventors:
Assignee:
Nippon Soda Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 6/00 (2006.01); B01J 37/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for easily and efficiently removing ruthenium complexes, which are generally difficult to remove, from a polymer, as well as a method for purifying a polymer that uses such a removal method are provided. A method for removing a metal, wherein a compound is added that is capable of coordination via a substitution of a ligand of a ruthenium complex, thereby precipitating another ruthenium complex, as well as a method for purifying a polymer that uses such a method.