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:
Dec. 08, 2015
Filed:
Aug. 05, 2010
Kathryn Knuckey, Ormskirk, GB;
David Rochester, Hetton-le-Hole, GB;
Andrew Martin Creeth, Chester, GB;
Kathryn Knuckey, Ormskirk, GB;
David Rochester, Hetton-le-Hole, GB;
Andrew Martin Creeth, Chester, GB;
ACAL ENERGY LIMITED, Runcorn, Cheshire, GB;
Abstract
The invention concerns the use as a redox a catalyst and/or mediator in a fuel cell catholyte solution of the compound of Formula (I) wherein: X is selected from hydrogen and from various functional groups; Rare independently selected from hydrogen and various functional groups; wherein Rand X and/or Rand X may together form an optionally substituted ring structure; wherein Rand Rand/or Rand Rand/or Rand Rand/or Rand Rand/or Rand Rand/or Rand Rand/or Rand Rmay together form an optionally substituted ring structure; wherein (L) indicates the optional presence of a linking bond or group between the two neighboring aromatic rings of the structure, and when present may form an optionally substituted ring structure with one or both of Rand R; and wherein at least one substituent group of the structure is a charge-modifying substituent.