发明名称 |
Photographic element containing a certain sulfonated acylacetanilide coupler in combination with a development inhibitor releasing coupler. |
摘要 |
<p>The present invention provides a photographic element comprising a support bearing a blue-light sensitive silver halide emulsion layer containing an acylacetanilide yellow image dye-forming coupler having formula I or II: <CHEM> <CHEM> wherein: Ra is a substituted or unsubstituted alkyl groups, alkoxy group or aryloxy group; Rb is a substituted or unsubstituted alkyl or aryl group; Rc is hydrogen or a substituted or unsubstituted alkyl group; R1 is a substituent; n is an integer from 0 to 2; R2 is selected from the group consisting of halogen, trifluoromethyl, and substituted or unsubstituted alkoxy and aryloxy; R3 is substituted or unsubstituted alkyl; R4 is hydrogen, halogen, alkoxy carbonyl (-CO2R), carbamoyl (-CONRR'), carbonamido (-NRCOR'), sulfonamido (-NRSO2R') or trifluoromethyl; and X is hydrogen or a coupling-off group; and wherein the blue-light sensitive silver halide emulsion layer has associated therewith a development inhibitor releasing coupler. The invention also provides a method of forming an image in such an element.</p> |
申请公布号 |
EP0672947(A1) |
申请公布日期 |
1995.09.20 |
申请号 |
EP19950420058 |
申请日期 |
1995.03.06 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
MERKEL, PAUL BARRETT, C/O EASTMAN KODAK COMPANY;POSLUSNY, JERROLD NEAL, C/O EASTMAN KODAK COMPANY;MERRILL, JAMES PARKER, C/O EASTMAN KODAK COMPANY;CLARK, BERNARD A., C/O EASTMAN KODAK COMPANY;STANLEY, PAUL LOUIS REGINALD, C/O EASTMAN KODAK CO;WILLIAMSON, HUGH MARTIN, C/O EASTMAN KODAK COMPANY |
分类号 |
G03C7/00;G03C7/305;G03C7/32;G03C7/36;(IPC1-7):G03C7/32 |
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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