Platinum-titanium-tungsten fuel cell catalyst

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide

Reexamination Certificate

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C502S308000, C502S309000, C502S326000, C502S334000, C502S180000, C502S182000, C502S185000, C429S047000, C429S047000, C429S047000, C429S047000, C429S047000, C420S417000, C420S430000, C420S432000, C420S466000

Reexamination Certificate

active

07608560

ABSTRACT:
A fuel cell catalyst comprising platinum, titanium and tungsten. In one or more embodiments, the concentration of platinum is less than 60 atomic percent, and/or the concentration of titanium is at least 20 atomic percent, and/or the concentration of tungsten is at least 25 atomic percent.

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