| 发明名称 |
Stabilization of choline and its derivatives against discoloration |
| 摘要 |
The stabilization of aqueous or alkanolic solutions of choline and derivative of choline against discoloration on aging by the addition of an unsubstituted hydroxylamine salt to the choline solutions at levels of less than 1 percent.
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| 申请公布号 |
US5209858(A) |
申请公布日期 |
1993.05.11 |
| 申请号 |
US19910652035 |
申请日期 |
1991.02.06 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
HEINSOHN, GEORGE E.;SVADLENAK, RUDOLF E. |
| 分类号 |
C07C213/10 |
主分类号 |
C07C213/10 |
| 代理机构 |
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