| 发明名称 |
METHOD FOR PRODUCTION OF A LIQUID COMPOSITION OF AN ORTHO-DIHYDROXYBENZYL COMPOUND OF HIGH PURITY AND SAID COMPOSITION |
| 摘要 |
The invention relates to a method for production of a liquid composition of an ortho-dihydroxybenzyl compound of high purity and said composition. More particularly The invention relates to the production of a liquid composition of pyrocatechol of high purity. Said method comprises mixing an ortho-dihydroxybenzyl compound with an organic solvent and applying the specific features pertaining to the nature of the materials used in the installation. |
| 申请公布号 |
WO03068713(A1) |
申请公布日期 |
2003.08.21 |
| 申请号 |
WO2003FR00497 |
申请日期 |
2003.02.17 |
| 申请人 |
RHODIA CHIMIE;MATHIEU, CLAUDE |
发明人 |
MATHIEU, CLAUDE |
| 分类号 |
C11D7/26;C07C37/74;C07C37/88;C07C39/08;C07C39/28;C07C41/42;C07C43/23;C07C45/82;C07C47/565;C11D7/32;C11D7/50 |
主分类号 |
C11D7/26 |
| 代理机构 |
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代理人 |
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