发明名称 |
Color developer, recording unit having a layer of the color developer and process for production thereof |
摘要 |
A color developer containing a combination of zinc oxide, at least one salicylic acid or nuclear substituted salicylic acid, and at least one metal silicate as an inorganic pigment, and a recording unit having a layer of the color developer. The color developer has a high developing ability and is capable of forming a distinct color having a high light resistance when it is contacted with a color former.
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申请公布号 |
US4374671(A) |
申请公布日期 |
1983.02.22 |
申请号 |
US19800129953 |
申请日期 |
1980.03.13 |
申请人 |
HAYASHI, TAKAO;KATO, HAJIME;MIYAMOTO, AKIO;YOSHIDA, MAKOTO |
发明人 |
HAYASHI, TAKAO;KATO, HAJIME;MIYAMOTO, AKIO;YOSHIDA, MAKOTO |
分类号 |
B41M5/155;C09D11/00;(IPC1-7):C09D11/00 |
主分类号 |
B41M5/155 |
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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