| 发明名称 |
STABLE SOLUTIONS OF 4,4{40 -BIS(DIETHYLAMINO)-BENZOPHENONIMINE HYDROCHLORIDE |
| 摘要 |
Storage-stable concentrated solutions, and their preparation, of up to 45 weight percent 4,4'-bis(diethylamino)-benzophenonimine hydrochloride in a mixture of 60-90 weight percent ethylene glycol and 10-40 weight percent urea.
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| 申请公布号 |
US3632289(A) |
申请公布日期 |
1972.01.04 |
| 申请号 |
USD3632289 |
申请日期 |
1969.04.01 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND CO. |
发明人 |
MEAD S. MOORES |
| 分类号 |
C09B11/02;(IPC1-7):D21H1/46 |
主分类号 |
C09B11/02 |
| 代理机构 |
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代理人 |
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