发明名称 Farbstabile Bisphenole
摘要 Colour-stabilisation of crystalline bisphenol compsns. comprises mixing molten bisphenol, after distn. but before crystallisation, with an alpha-hydroxypolycarboxylic acid as Fe sequestrant. Also claimed are colour stabilised bisphenol compsns. prepd. in the above process.
申请公布号 DE69507175(D1) 申请公布日期 1999.02.25
申请号 DE1995607175 申请日期 1995.02.15
申请人 GENERAL ELECTRIC CO., SCHENECTADY, N.Y., US 发明人 GARRETT, DENNIS, WADESVILLE, INDIANA 47638, US;REYNOLDS, MITCH, WADESVILLE, INDIANA 47638, US;VANBUSKIRK, JOHN, EVANSVILLE, INDIANA 47712, US
分类号 C07C37/88;C07C39/16;(IPC1-7):C07C37/88 主分类号 C07C37/88
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