| 发明名称 |
COLOR STABILIZATION OF HYDROQUINONE HYDROXYETHYL ETHER PRODUCTS |
| 摘要 |
The present invention relates to the color stabilization of hydroquinone hydroxyethyl ethers by phosphite compounds containing the bis-cyclic structure of spiro phosphites, both rings being attached to the same tertiary carbon atom in the phosphite molecule. |
| 申请公布号 |
WO2005004816(A3) |
申请公布日期 |
2005.06.30 |
| 申请号 |
WO2004US21207 |
申请日期 |
2004.07.01 |
| 申请人 |
ARCH CHEMICALS, INC. |
发明人 |
MALLWITZ, JAYNE;HIRE, ROBERT, C.;CHANDALIA, KIRAN, B. |
| 分类号 |
A61K;C07C41/46;C07C43/205;C07C43/23;C08K5/51;C08K5/527;C09K15/08;C09K15/32 |
主分类号 |
A61K |
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