METHOD FOR PRODUCING HYDROGEN DIFFUSION CELLS

• US 3,428,476 A
• Filed: 06/22/1965
• Issued: 02/18/1969
• Est. Priority Date: 06/22/1965
• Status: Expired due to Term

• Current Assignee: Engelhard Corporation (BASF SE)
• Original Assignee: Herbert Myers, Robert C. Langley
• Inventors: Langley, Robert C., Myers, Herbert
• Application Number:
  US04/466,115
• Time in Patent Office: 1,337 Days
• US Class Current: 427/229
• CPC Class Codes: C04B 35/00 Shaped ceramic products characterised by their composition porous ceramic products C04B38/00; ceramic articles characterised by particular shape, see the relevant classes, e.g. linings for casting ladles, tundishes, cups or the like B22D41/02; ceramic substrates for microelectronic semi-conductors H01L23/15; Ceramics compositions containing free metal bonded to carbides, diamond, oxides, borides, nitrides, silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides or sulfides other than as macroscopic reinforcing agents C22C; shaping of ceramics B28B; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products chemical preparation of powders of inorganic compounds C01; infiltration of sintered ceramic preforms with molten metal C04B41/51
• CPC Class Codes: C04B 41/009 characterised by the material treated
• CPC Class Codes: C04B 41/4505 characterised by the method of application
• CPC Class Codes: C04B 41/46 with organic materials
• CPC Class Codes: C04B 41/5022 with vitreous materials composition of vitreous glazes and enamels C03C; ceramic pigments C09C1/0009
• CPC Class Codes: C04B 41/5116 Ag or Au
• CPC Class Codes: C04B 41/5122 Pd or Pt
• CPC Class Codes: C04B 41/52 Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
• CPC Class Codes: C04B 41/89 for obtaining at least two superposed coatings having different compositions
• CPC Class Codes: C23C 26/00 Coating not provided for in groups C23C2/00 - C23C24/00
• CPC Class Codes: H01M 4/94 Non-porous diffusion electrodes, e.g. palladium membranes, ion exchange membranes
• CPC Class Codes: Y02E 60/50 Fuel cells

Claims