| 发明名称 |
A PROCESS FOR THE PREPARATION OF NAPHTHALENE FROM COAL-TAR PITCH FOR PRODUCING PHTHALIC ANHYDRIDE |
| 摘要 |
A process for the preparation of naphthalene from coal-tar pitch for producing phthalic anhydride containing processes of obtaining the naphthalene fraction by rectification of coal-tar pitch, purification thereof from admixtures by crystallization and washing with alkali.
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| 申请公布号 |
UA9193(U) |
申请公布日期 |
2005.09.15 |
| 申请号 |
UA20050001376 |
申请日期 |
2005.02.15 |
| 申请人 |
"AVDIIVSKYI KKHZ", OPEN JOINT-STOCK COMPANY |
发明人 |
PAKTER MYKHAILO KONSTANTYNOVYCH;SKRYPCHENKO MYKOLA PAVLOVYCH;POL''SKYI VIKTOR LEONIDOVYCH |
| 分类号 |
C07C15/24;(IPC1-7):C07C15/24 |
主分类号 |
C07C15/24 |
| 代理机构 |
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