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David R Kaar, Harold G Sowman: Microcrystalline transition metal oxide spinel articles. Minnesota Mining and Manufacturing Company, Donald M Sell, James A Smith, Lorraine R Sherman, July 12, 1988: US04757036 (77 worldwide citation)

Homogeneous, nonporous ceramic fibers containing at least one magnetically-unaligned, microcrystaline transition metal oxide spinel phase. The ceramic fibers may be used in polymeric, ceramic and metallic composites. Said ceramic spinel is produced by dispersing soluble inorganic and transition meta ...


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Kaar David R C O Minnesota Min, Sowman Harold G C O Minnesota: Microcrystalline transition metal oxide spinel articles.. Minnesota Mining & Mfg, July 1, 1987: EP0227374-A2 (30 worldwide citation)

A fired refractory ceramic shaped article has at least one microcrystalline, transition metal oxide spinel phase. The shaped article preferably has an overall composition range of 30 to 100 weight percent transition metal oxide spinel and 70 to 0 weight percent other inorganic oxides. Refractories o ...


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Sowman Harold G, Kaar David R: Articles en spinelle microcristallin dun oxyde de metal de transition, Microcrystalline transition metal oxide spinel articles. Sowman Harold G, Kaar David R, Minnesota Mining And Manufacturing Company, SMART & BIGGAR, March 27, 1990: CA1267164

ABSTRACT OF THE DISCLOSURE A fired refractory ceramic shaped article has atleast one microcrystalline, transition metal oxide spinelphase. The shaped article preferably has an overallcomposition range of 30 to 100 weight percent transitionmetal oxide spinel and 70 to 0 weight percent otherinorganic ...