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:
Feb. 17, 2026
Filed:
Mar. 24, 2021
Syensqo Specialty Polymers Italy S.p.a., Bollate, IT;
Maurizio Biso, Milan, IT;
Ricardo Rino Pieri, Milan, IT;
Eduardo Soriano, Alpharetta, GA (US);
Kermit S. Kwan, Cumming, GA (US);
Stefano Mauri, Giussano, IT;
SYENSQO SPECIALTY POLYMERS ITALY S.p.A., Bollate, IT;
Abstract
Lithiated polyamic acid derivatives used as binders in electrodes for lithium ion batteries are provided. A water-soluble aromatic polyamic-acid derivative (polymer (P-A)) includes at least 50% by moles of recurring units (L), the recurring units (L) having at least one acid moiety in the form of an ester; 0 to 50% by moles of recurring units (M), the recurring units (M) having at least one acid moiety as such or in its imide form; and 25 to 50% by moles of recurring units (N), the recurring units (N) having at least one acid moiety as a salt.