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. 23, 2006
Filed:
Nov. 02, 2001
Susan Joy Cooper, Reading, GB;
John Malcolm Gascoyne, Bucks, GB;
Thomas Robertson Ralph, Reading, GB;
Karen Leanne Hogarth, Reading, GB;
Susan Joy Cooper, Reading, GB;
John Malcolm Gascoyne, Bucks, GB;
Thomas Robertson Ralph, Reading, GB;
Karen Leanne Hogarth, Reading, GB;
Johnson Matthey Public Limited Company, London, GB;
Abstract
A novel flexible non-woven carbon fibre gas diffusion substrate comprising a plurality of first carbon fibres orientated in the x-, y- and optionally z-directions, said first fibres being bonded with a thermoplastic polymeric substance, and a carbon based filler material, characterised, in that the flexible non-woven carbon fibre gas diffusion substrate has a total density of greater than 0.35 g/cm, and a gas diffusion electrode obtained therefrom is disclosed. Also disclosed is a process for the manufacture of the substrate and electrode.