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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 11639403 B1

PDFFull Text
Date of Patent:
May. 02, 2023

Filed:

Nov. 11, 2019

Polymer, composite positive active material including the same, and lithium secondary battery including electrode including the positive active material

Applicants:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Waseda University, Tokyo, JP;

Inventors:

Wonsung Choi, Seoul, KR;

Hiroyuki Nishide, Tokyo, JP;

Seokgwang Doo, Seoul, KR;

Kenichi Oyaizu, Tokyo, JP;

Assignees:

SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;

WASEDA UNIVERSITY, Tokyo, JP;

Attorney:

Cantor Colburn LLP

Primary Examiner:

Doris L Lee

Int. Cl.
CPC ...
C08F 26/06 (2006.01); H01M 10/0525 (2010.01); H01M 4/60 (2006.01); C08F 28/06 (2006.01); H01M 10/42 (2006.01); C08L 41/00 (2006.01); C08L 39/04 (2006.01); C08K 3/22 (2006.01);
U.S. Cl.
CPC ...
C08F 26/06 (2013.01); C08F 28/06 (2013.01); H01M 4/608 (2013.01); H01M 10/0525 (2013.01); C08K 2003/2217 (2013.01); C08K 2003/2227 (2013.01); C08K 2003/2237 (2013.01); C08K 2003/2248 (2013.01); C08K 2003/2251 (2013.01); C08K 2003/2255 (2013.01); C08K 2003/2258 (2013.01); C08K 2003/2262 (2013.01); C08K 2003/2289 (2013.01); C08K 2003/2293 (2013.01); C08K 2003/2296 (2013.01); C08L 39/04 (2013.01); C08L 41/00 (2013.01); H01M 2010/4292 (2013.01);
Abstract

A polymer includes a repeating unit represented by at least one of Formula 1a or Formula 1b: wherein, in Formulae 1a or 1b, CYis a group represented by at least one of Formula 1-2 or Formula 1-4, CYis a group represented by Formula 1-3, and L, L, a1, and a2 are defined the same as in the specification, and in Formulae 1-2, Formula 1-3, or 1-4, X, Y, R, R, Rto R, b1, b2, R, R, b21, b22, Z, Z, c1, and c2 are defined the same as in the specification.

Find Patent Forward Citations

Choi, Wonsung. (2023). Polymer, composite positive active material including the same, and lithium secondary battery including electrode including the positive active material (U.S. Patent No. 11639403). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11639403

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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