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.

Date of Patent:
Feb. 27, 2024

Filed:

Mar. 25, 2022
Applicant:

Palo Alto Research Center Incorporated, Palo Alto, CA (US);

Inventor:

Eugene S. Beh, Portola Valley, CA (US);

Assignee:

XEROX CORPORATION, Norwalk, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/461 (2023.01); C08J 3/24 (2006.01); C08J 7/16 (2006.01); C02F 1/66 (2023.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
C02F 1/46109 (2013.01); C02F 1/4618 (2013.01); C02F 1/66 (2013.01); C08J 3/24 (2013.01); C08J 7/16 (2013.01); C02F 2001/4619 (2013.01); C02F 2001/46138 (2013.01); C02F 2103/08 (2013.01);
Abstract

A redox-active compound is disclosed that is the reaction product of an electron-withdrawing monomer, a cross-linker, and a redox-active moiety. The cross-linker may be connected to the redox-active moiety through the electron-withdrawing functional group. The redox-active compound has a reduced form and an oxidized form and neither the reduced form nor the oxidized form is decomposed by oxygen. The redox-active compound may be used to create a pH gradient in a fluid stream. A redox-active composition may include the redox-active compound, a binder, and a current collector. The redox-active composition may be part of a membraneless electrochemical cell.


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