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Class Information
Number: 204/290.08
Name: Chemistry: electrical and wave energy > Apparatus > Electrolytic > Elements > Electrodes > Laminated or coated (i.e., composite having two or more layers) > Having three or more layers > Noble metal (i.e., ru, rh, pd, os, ir, pt, ag, or au) or compound containing
Description: Electrode containing a noble metal (i.e, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), platinum (Pt), silver (Ag), or gold (Au)) or a compound thereof.


Sub-classes under this class:

Class Number Class Name Patents
204/290.09 Plural metal oxides containing 84


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7374647 Arrangement of an electrode, method for making same, and use thereof May. 20, 2008
7244887 Electrical cells, components and methods Jul. 17, 2007
7211177 Electrode for electrolysis in acidic media May. 1, 2007
6599404 Flake-resistant multilayer thin-film electrodes and electrolytic cells incorporating same Jul. 29, 2003
6572758 Electrode coating and method of use and preparation thereof Jun. 3, 2003
6379526 Non-carbon metal-based anodes for aluminium production cells Apr. 30, 2002
6267868 Method and tool for electrochemical machining Jul. 31, 2001
6251254 Electrode for chromium plating Jun. 26, 2001
6242260 Design for an electrode Jun. 5, 2001
6238530 Cathode for electrolysis and electrolytic cell using the same May. 29, 2001
6217729 Anode formulation and methods of manufacture Apr. 17, 2001
6203936 Lightweight metal bipolar plates and methods for making the same Mar. 20, 2001
6162334 Inert anode containing base metal and noble metal useful for the electrolytic production of aluminum Dec. 19, 2000
6103090 Electrocatalytically active non-carbon metal-based anodes for aluminium production cells Aug. 15, 2000
5989396 Electrode and electrolytic cell containing same Nov. 23, 1999
5968325 Auto-electrolytic hydrogen generator Oct. 19, 1999
5954928 Activated cathode and method for manufacturing the same Sep. 21, 1999
5900127 Electrode for electrolysis and electrolytic cell using the electrode May. 4, 1999
5879827 Catalyst for membrane electrode assembly and method of making Mar. 9, 1999
5873988 Multilayer electrode for electrolysis cell Feb. 23, 1999
5804055 Electrode, electrochemical cell and electrochemical processes Sep. 8, 1998
5783050 Electrode for electrochemical cell Jul. 21, 1998
5670115 Hydrogen sensor Sep. 23, 1997
5626730 Electrode structure May. 6, 1997
5607564 Method of producing a microporous, gas permeable electrode structure and a microporous, gas permeable electrode structure Mar. 4, 1997
5593556 Highly durable electrodes for electrolysis and a method for preparation thereof Jan. 14, 1997
5584976 Gas diffusion electrode Dec. 17, 1996
5580838 Uniformly plated microsphere catalyst Dec. 3, 1996
5578176 Method of preparing electrodes of improved service life Nov. 26, 1996
5552027 Working electrode for electrochemical enzymatic sensor systems Sep. 3, 1996
5531875 Electrode substrate for electrolysis and production method thereof Jul. 2, 1996
5494560 Low-hydrogen overvoltage cathode having activated carbon particles supporting platinum, rhodium, indium, or platinum in a nickel layer formed on a substrate Feb. 27, 1996
5431800 Layered electrodes with inorganic thin films and method for producing the same Jul. 11, 1995
5372688 System for electrolysis of liquid electrolyte Dec. 13, 1994
5314601 Electrodes of improved service life May. 24, 1994
5294319 High surface area electrode structures for electrochemical processes Mar. 15, 1994
5232576 Anode for chromium plating and processes for producing and using the same Aug. 3, 1993
5128000 Dimensionally stable anodes and their use in the preparation of alkali metal dichromates and chromic acid Jul. 7, 1992
5066380 Electrocatalytic cathodes and method of preparation Nov. 19, 1991
5059297 Durable electrode for use in electrolysis and process for producing the same Oct. 22, 1991
5019225 Molten salt electrowinning electrode, method and cell May. 28, 1991
4990236 Thin film moisture sensing element Feb. 5, 1991
4941953 Durable electrodes having a plated tinor tin oxide intermediate layer for electrolysis and process for producing the same Jul. 17, 1990
4935110 Electrode structure and process for fabricating the same Jun. 19, 1990
4877508 Highly durable cathode of low hydrogen overvoltage and method for manufacturing the same Oct. 31, 1989
4822459 Lead oxide-coated electrode for use in electrolysis and process for producing the same Apr. 18, 1989
4798662 Cathode for electrolysis and a process for the manufacture of the said cathode Jan. 17, 1989
4797182 Electrode with a platinum metal catalyst in surface film and its use Jan. 10, 1989
4789452 Highly durable cathode of low hydrogen overvoltage and method for manufacturing the same Dec. 6, 1988
4784730 Cathodes suitable for use in electrochemical processes evolving hydrogen Nov. 15, 1988

1 2 3


 
 
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