发明公开
- 专利标题： Encapsulated pigment in silver halide wash-off film
- 专利标题（中）： 镀银色防潮膜中的包封色素
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申请号： EP86117224.5申请日： 1986-12-10
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公开(公告)号： EP0232512A3公开(公告)日： 1989-06-14
- 发明人: Nelson, Jeffrey W.
- 申请人： E.I. DU PONT DE NEMOURS AND COMPANY
- 申请人地址： 1007 Market Street Wilmington Delaware 19898 US
- 专利权人： E.I. DU PONT DE NEMOURS AND COMPANY
- 当前专利权人： E.I. DU PONT DE NEMOURS AND COMPANY
- 当前专利权人地址： 1007 Market Street Wilmington Delaware 19898 US
- 代理机构： Werner, Hans-Karsten, Dr.Dipl.-Chem.
- 优先权： US808462 19851213
- 主分类号： G03C5/315
- IPC分类号： G03C5/315 ; G03C1/76 ; B01J13/02
摘要：
Wash-off film comprising a support coated with at least one layer containing unhardened gelatin, gelatino silver halide emulsion, and microencapsulated pigment, e.g., carbon black or colored pigment, e.g., cyan, magenta, yellow. The ingredients including tanning developer can be in a single layer of the film or the tanning developer can be present in an overcoat layer. Undesired adhesion and stain in a wash-off film is reduced by encapsulation of the pigment.
公开/授权文献
- EP0232512B1 Encapsulated pigment in silver halide wash-off film 公开/授权日：1992-04-08
信息查询
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