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:
May. 07, 2024
Filed:
Feb. 24, 2021
Applicant:
Sumitomo Seika Chemicals Co., Ltd., Hyogo, JP;
Inventors:
Assignee:
Sumitomo Seika Chemicals Co., Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); C08F 216/06 (2006.01); H01M 4/36 (2006.01); H01M 4/48 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/622 (2013.01); C08F 216/06 (2013.01); H01M 4/364 (2013.01); H01M 4/483 (2013.01); H01M 4/587 (2013.01); H01M 10/0525 (2013.01);
Abstract
The present invention provides a binder for a secondary battery having excellent binding force. A binder for a secondary battery comprising a polymer compound, wherein the polymer compound contains an acrylic repeating unit, and a 3% by mass aqueous solution of the polymer compound has a yellowness index of 14 or less.