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. 21, 2020
Filed:
Jul. 13, 2017
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G 61/12 (2006.01); B01J 31/24 (2006.01);
U.S. Cl.
CPC ...
C08G 61/12 (2013.01); B01J 31/2404 (2013.01); B01J 2531/824 (2013.01); C08G 2261/148 (2013.01); C08G 2261/32 (2013.01); C08G 2261/334 (2013.01); C08G 2261/3324 (2013.01); C08G 2261/411 (2013.01);
Abstract
The invention provides a production method of a polymer compound having a constitutional unit represented by the formula (3-1) and a constitutional unit represented by the formula (3-2), which contains a step of reacting a compound represented by the formula (1) and a compound represented by the formula (2) in the presence of a transition metal complex, a base and an organic solvent having a peroxide amount of 15 ppm by weight or less: