Compositions: ceramic – Ceramic compositions – Titanate – zirconate – stannate – niobate – or tantalate or...
Patent
1988-08-22
1990-05-22
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Titanate, zirconate, stannate, niobate, or tantalate or...
252520, 429 33, 429193, 423396, 423598, 423600, C04B 3546
Patent
active
049277936
ABSTRACT:
Proton conductive material comprising a compound of a monoclinic crystal structure which is in a reversibly reduced state from a compound of a similar monoclinic crystal structure represented by the general formula:
REFERENCES:
patent: 3687735 (1972-08-01), Inoue
patent: 4655967 (1987-04-01), Morimoto et al.
patent: 4746638 (1988-05-01), Hori et al.
JCPDS Publication: Powder Diffraction File, Sets 19 to 20", 1979, File No. 21-1166 and File No. 19-1249.
"Collective Technology for Ceramics Material" by the Edition Committee of Collective Technology for Ceramics Material, pp. 329-330, published from Industrial Technology Center on 4/79 (discussed at page 2 of the specification).
"Proton Conductive Ceramics and Their Application to Fuel Cells" by Hironobu Iwahara and Hiroyuki Uchida, in 1985's Research Report for Special Research under the Scientific Research Funds for Ministry of Education, Feb. 1986 (discussed at pp. 2-3 of specification).
PED Morgan, et al, J. Am. Ceram. Soc., 68(6)C-156-158 (1985) (discussed at page 5 of the specification).
Hori Saburo
Watanabe Nobuhiro
Bell Mark L.
Group Karl
Kureha Chemical Industry Co. Ltd.
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