发明名称 |
METHOD OF ALUMINIUM alpha-OXIDE PRODUCING (VARIANTS) |
摘要 |
FIELD: chemical technology, inorganic chemistry. SUBSTANCE: transient aluminium oxide and/or aluminium oxide raw capable to be converted to transient aluminium oxide at heating is calcined at 600-1 200 C in atmosphere containing at least 1% (by volume) hydrogen chloride, or at least 1% (by volume) chlorine, or at least 0.1% (by volume) steam. EFFECT: improved method of producing. 8 cl, 8 dwg , 4 tbll |
申请公布号 |
RU2114059(C1) |
申请公布日期 |
1998.06.27 |
申请号 |
RU19940046207 |
申请日期 |
1993.06.01 |
申请人 |
SUMITOMO KEMIKAL KOMPANI, LIMITED |
发明人 |
MASAKHIDE MOKHRI;ESIO UTIDA;ESINARI SAVABE;KHISASI VATANABE |
分类号 |
C01F7/02;C01F7/44;C30B25/00 |
主分类号 |
C01F7/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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