发明名称 |
BALLAST-FORM OPTICAL BRIGHTENER |
摘要 |
A ballasted water-soluble optical brightener of formula (I) is new. Polymer = a gelatin residue; M = a cation; X = a gp. which can undergo nucleophilic displacement; and Z = -N(R2)-R1 or -O-R3: R1 and R2 = H or an aromatic gp. opt. substd. by one or more gps. unreactive to X; and R3 as for R1 other than H. Also claimed is a photographic element contg. the optical brightener (I) in at least one layer. |
申请公布号 |
JPH07207174(A) |
申请公布日期 |
1995.08.08 |
申请号 |
JP19940303695 |
申请日期 |
1994.12.07 |
申请人 |
EASTMAN KODAK CO |
发明人 |
ANSONII EIDEIN;PURANABU BAGUCHI |
分类号 |
C09B57/00;D06L3/12;G03C1/047;G03C1/815 |
主分类号 |
C09B57/00 |
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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