发明授权
- 专利标题: Photographic element
- 专利标题(中): 摄影元素
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申请号: US218511申请日: 1998-12-22
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公开(公告)号: US6140033A公开(公告)日: 2000-10-31
- 发明人: Donald R. Diehl , Mbiya Kapiamba , Stanley W. Cowan
- 申请人: Donald R. Diehl , Mbiya Kapiamba , Stanley W. Cowan
- 申请人地址: NY Rochester
- 专利权人: Eastman Kodak Company
- 当前专利权人: Eastman Kodak Company
- 当前专利权人地址: NY Rochester
- 主分类号: C07D487/04
- IPC分类号: C07D487/04 ; B41M5/323 ; C09B55/00 ; G03C7/32 ; G03C7/384 ; G03C1/00 ; G03C7/26
摘要:
A photographic element comprises novel pyrazolo[5,1-c]-1,2,4-triazole dye forming couplers, the couplers and azomethine dyes. The couplers are represented by the following structure: ##STR1## wherein: Z represents the elements of C, N, O, or S necessary to complete a substituted or unsubstituted heterocyclic 5 or 6 member ring along with nitrogen;R.sub.1 represents a substituent group;and, X represents a hydrogen or a coupling off group.
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