发明名称 |
Free amine-containing polymeric dyes |
摘要 |
Soluble polymeric colorants composed of free amine groups and chromophoric groups covalently bonded to an organic backbone are disclosed. The number of free amine groups is not less than one-half the number of chromophoric groups. The colorants are characterized by being free of sulfonate, phosphonate and carboxylate groups. The preparation and use of these colorants is also disclosed.
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申请公布号 |
US4339237(A) |
申请公布日期 |
1982.07.13 |
申请号 |
US19800177027 |
申请日期 |
1980.08.11 |
申请人 |
DYNAPOL |
发明人 |
WANG, PATRICIA C.;WINGARD, JR., ROBERT E. |
分类号 |
A61K8/81;A61Q5/10;C09B1/20;C09B3/06;C09B5/14;C09B5/16;C09B69/10;(IPC1-7):C09B69/10 |
主分类号 |
A61K8/81 |
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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