| 发明名称 |
PHOTOGRAPHIC EMULSIONS INCLUDING AS NUCLEATING AGENT A HETEROCYCLIC COMPOUND WITH ARYLAMINO VINYLENE OR ARYL OXY VINYLENE SUBSTITUENTS |
| 摘要 |
<p>Silver halide emulsions are disclosed containing silver halide grains capable of forming an internal latent image. incorporated in the emulsions as a nucleating agent is a heterocyclic compound having an arylaminovinylene or aryloxyvinylene substituent, thereby permitting a direct-positive image to be formed on imagewise exposure and photographic processing.</p> |
| 申请公布号 |
CA1140791(A) |
申请公布日期 |
1983.02.08 |
| 申请号 |
CA19810374353 |
申请日期 |
1981.04.01 |
| 申请人 |
EASTMAN KODAK COMPANY |
发明人 |
BARALLE, ROGER M.;COMPERE, MARCEL A.;PFAFF, MAURICE E.;GOUMONT, CLAUDE G.;JORDI, FREDERIC X. |
| 分类号 |
(IPC1-7):G03C5/24 |
主分类号 |
(IPC1-7):G03C5/24 |
| 代理机构 |
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代理人 |
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| 主权项 |
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