C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/66 (2006.01) C03B 5/43 (2006.01) C04B 41/45 (2006.01) C04B 41/50 (2006.01) C04B 41/81 (2006.01) C04B 41/87 (2006.01)
Patent
CA 2251482
Silica-based refractories are impregnated with protective material that is more resistant towards attack by corrosive species. The protective material coats the surface of the refractory matrix and fills some of the cavity volume of its pores, crevices, surfaces imperfections and irregularities. The protective material is positioned by impregnating the refractory with a precursor which, under the input of energy, is converted into the corrosion resistant protective material.
Da Silva Elson Longo
Kobayashi William Thoru
Paskocimas Carlos Alberto
Praxair Technology Inc.
Sim & Mcburney
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