发明名称 |
Indole color former |
摘要 |
Aldehyde or ketone 0-[(3-indolyl)(aryl or heteroaryl)methyl]oximes which are useful as color-formers in pressure-sensitive carbonless duplicating systems and thermal marking systems are prepared by reacting 3-[(arylsulfonyl)(aryl or heteroaryl)methyl]-1H-indoles with aldehyde or ketone oximes in the presence of a base.
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申请公布号 |
US4283077(A) |
申请公布日期 |
1981.08.11 |
申请号 |
US19800127649 |
申请日期 |
1980.03.06 |
申请人 |
STERLING DRUG INC. |
发明人 |
SCHMIDT, PAUL J.;HUNG, WILLIAM M. |
分类号 |
B41M5/136;B41M5/323;C07D209/12;C07D401/06;C07D403/06;C07D405/06;C07D409/06;(IPC1-7):B41M5/16;B41M5/18;B41M5/22 |
主分类号 |
B41M5/136 |
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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