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 US2006043342(A1) 申请公布日期 2006.03.02
申请号 US20050259849 申请日期 2005.10.26
申请人 发明人 MALLWITZ JAYNE;HIRE ROBERT C.;CHANDALIA KIRAN B.
分类号 C09K15/32;A61K;C07C41/46;C07C43/205;C07C43/23;C08K5/51;C08K5/527;C09K15/08 主分类号 C09K15/32
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