| 发明名称 |
SULFAM(NA)PHTHALEINS |
| 摘要 |
<p>This invention relates to 1-naphthol sulfam(na)phthaleins possessing a carbonyl moiety on the N atom of sulfam(na)phthalein ring, which compounds find utility, for example, as antihalation and filter dyes in photographic products and processes.</p> |
| 申请公布号 |
CA1109068(A) |
申请公布日期 |
1981.09.15 |
| 申请号 |
CA19780311905 |
申请日期 |
1978.09.22 |
| 申请人 |
POLAROID CORPORATION |
发明人 |
BORROR, ALAN L.;FOLEY, JAMES W.;CINCOTTA, LOUIS;ELLIS, ERNEST W. |
| 分类号 |
C07C43/225;C07D275/06;C07D279/02;C07D309/12;C07D417/10;C07F7/18;G03C1/83;G03C8/48;(IPC1-7):07D275/06;03C1/10;07D279/02 |
主分类号 |
C07C43/225 |
| 代理机构 |
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| 主权项 |
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