| 发明名称 |
Briquette treatment process. |
| 摘要 |
Briquettes are tested to decrease efflorescence and to improve abrasion resistance and surface appearance, by dipping or spraying the formed briquettes with a solution of polyvinyl alcohol having a concentration greater than 1 part of polyvinyl alcohol to 250 parts of water.
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| 申请公布号 |
EP0270253(A2) |
申请公布日期 |
1988.06.08 |
| 申请号 |
EP19870309781 |
申请日期 |
1987.11.05 |
| 申请人 |
COAL INDUSTRY (PATENTS) LIMITED |
发明人 |
GOLECZKA, JOSEPH;HARRIS, WALTER;PRINGLE, JOHN |
| 分类号 |
C10L5/32 |
主分类号 |
C10L5/32 |
| 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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