发明名称 |
OPTICAL BRIGHTENING AGENTS |
摘要 |
PCT No. PCT/EP95/02433 Sec. 371 Date May 7, 1997 Sec. 102(e) Date May 7, 1997 PCT Filed Jun. 22, 1995 PCT Pub. No. WO96/00221 PCT Pub. Date Jan. 4, 1996Optical brightening agents for use in textiles, paper, detergents correspond to the formula <IMAGE> I <IMAGE> where R, R1 are preferably derived from amino-acids, particularly glutamic and iminodiacetic acids. |
申请公布号 |
EP0766678(B1) |
申请公布日期 |
2002.01.16 |
申请号 |
EP19950924911 |
申请日期 |
1995.06.22 |
申请人 |
CLARIANT FINANCE (BVI) LIMITED |
发明人 |
COWMAN, JOHN, STUART;FARRAR, JOHN, MARTIN;GRAHAM, MARK, DAVID;MACKINNON, NEIL |
分类号 |
C07D251/68;C07D403/14;C11D3/42;D06L3/12;D21H21/30 |
主分类号 |
C07D251/68 |
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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