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 |
KR20060026475(A) |
申请公布日期 |
2006.03.23 |
申请号 |
KR20067000045 |
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 |
C07C41/46;A61K;C07C43/205;C07C43/23;C08K5/51;C08K5/527;C09K15/08;C09K15/32 |
主分类号 |
C07C41/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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