发明名称 |
Photographisches Aufzeichnungsmaterial |
摘要 |
Emulsion contains a quaternary salt of formula: where Z completes a 5- or 6-membered ring; j is 1 or 2; g is 1 - 5; R' is H, alkyl, alkylthio or aryl; R is formul, hydrazonoalkyl ro -CHT'(T2); T~ and T2 are alkoxy, alkylthio or together complete a cyclic acetal; and X rho is an anion. The emulsion may be a direct positive emulsion forming an internal latent image. |
申请公布号 |
DE2020814(A1) |
申请公布日期 |
1970.11.12 |
申请号 |
DE19702020814 |
申请日期 |
1970.04.28 |
申请人 |
EASTMAN KODAK CO. |
发明人 |
LAUREN LINCOLN,LEWIS;WARREN HESELTINE,DONALD |
分类号 |
G03C7/00;G03C1/34;G03C1/485 |
主分类号 |
G03C7/00 |
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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