US Patent No: 6,146,782

Number of patents in Portfolio can not be more than 2000

Fuel cell anode for the oxidation of methanol

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Abstract

A fuel cell anode for the oxidation of methanol, which contains at least one platinum metal or alloys of platinum metals as the primary, catalytically active component. The anode is characterized in that it also contains transition metal complexes of phthalocyanine or substituted phthalocyanines as cocatalyst, these amplifying the catalytic effect of the platinum metals and their alloys for the anodic oxidation of methanol.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DMC2 DEGUSSA METALSDE-40474 DUSSELDORF102
UMICORE AG & CO. KGHANAU-WOLFGANG281

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gotz, Michael Darmstadt, DE 1 9
Wendt, Hartmut Dieburg, DE 7 71

Cited Art

Patent Info (Count) # Cites Year
 
ENERGY, UNITED STATES DEPARTMENT OF (2)
4,804,592 Composite electrode for use in electrochemical cells 71 1987
5,683,829 Redox promoters for methonol fuel cells 20 1996
 
THE DOW CHEMICAL COMPANY (2)
5,171,644 Electrochemical cell electrode 20 1991
5,151,515 Oxygen reduction catalyst based upon metal dipyridylamines 12 1991
 
ASAHI GLASS COMPANY, LIMITED (1)
4,427,523 Cathode for electrolysis of alkali metal chloride 4 1981
 
EIC LABORATORIES, INC. (1)
5,358,803 Catalyzed cathodes for electrochemical cells 3 1992

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS (5)
7,132,188 Fuel cells and fuel cell catalysts 8 2003
7,282,282 Organic fuel cells and fuel cell conducting sheets 1 2003
7,785,728 Palladium-based electrocatalysts and fuel cells employing such electrocatalysts 0 2004
7,740,974 Formic acid fuel cells and catalysts 0 2004
7,569,297 Fuel cell membranes and crossover prevention 0 2005
 
3M INNOVATIVE PROPERTIES COMPANY (1)
6,482,763 Suboxide fuel cell catalyst for enhanced reformate tolerance 7 2000
 
CANON KABUSHIKI KAISHA (1)
6,551,960 Preparation of supported nano-sized catalyst particles via a polyol process 50 2000
 
HONDA GIKEN KOGYO KABUSHIKI KAISHA (1)
7,041,402 Fuel electrode for solid polymer electrolyte fuel cell, solid polymer electrolyte fuel cell and method for controlling solid polymer electrolyte fuel cell 0 2002
 
NATIONAL RESEARCH COUNCIL OF CANADA (1)
7,566,681 Platinum based nano-size catalysts 0 2003