Title:
ハイドロキノンヒドロキシエチルエーテル生成物の色安定化
Document Type and Number:
Japanese Patent JP4468950
Kind Code:
B2
Abstract:
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.
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Inventors:
Morwitz, Jane
Haiya, Robert, Sea.
Chandelier, Kairan, Bee.
Haiya, Robert, Sea.
Chandelier, Kairan, Bee.
Application Number:
JP2006518771A
Publication Date:
May 26, 2010
Filing Date:
July 01, 2004
Export Citation:
Assignee:
Arch Chemicals, Inc.
International Classes:
C08G18/30; C07C41/46; C07C43/205; C07C43/23; C08K5/51; C08K5/527; C09K15/08; C09K15/32; A61K
Domestic Patent References:
| JP2002161203A | ||||
| JP11302356A | ||||
| JP61218544A |
Foreign References:
| US3592858 |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Katsunori Ando
Yukihiro Ikeda
Hajime Asamura
Katsunori Ando
Yukihiro Ikeda