发明名称 |
GEMISCHTE CHROM(III) OXYDPASTE FUER DIE CHROMDIOXYDSYNTHESE. |
摘要 |
Chromic acid and inexpensive, coarse grained Cr2O3 are dissolved in water prior to adding more costly fine grained Cr2O3 to produce chrome pastes which are more economical than pastes prepared by prior art techniques employing only fine grained Cr2O3. The pastes are equivalent to prior art pastes when reacted to form chromium dioxide. |
申请公布号 |
DE3767530(D1) |
申请公布日期 |
1991.02.28 |
申请号 |
DE19873767530 |
申请日期 |
1987.03.25 |
申请人 |
E.I. DU PONT DE NEMOURS & CO., WILMINGTON, DEL., US |
发明人 |
CRANDALL, TERRY GENE, WILMINGTON DELAWARE 19808, US |
分类号 |
C01G37/027;G11B5/706;(IPC1-7):C01G37/027;H01F1/11 |
主分类号 |
C01G37/027 |
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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