| 发明名称 |
Substrates coated with end and intermediate reaction products of a dianhydride and a hydrazine or hydrazide |
| 摘要 |
Novel polymers formed from the reaction of tetracarboxylic dianhydrides and hydrazines or hydrazides which may be cross-linkable by further reaction with a hydrazine or a hydrazide are disclosed.
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| 申请公布号 |
US4097651(A) |
申请公布日期 |
1978.06.27 |
| 申请号 |
US19760742306 |
申请日期 |
1976.11.16 |
| 申请人 |
PPG INDUSTRIES, INC. |
发明人 |
SCHIMMEL, KARL F.;WISMER, MARCO |
| 分类号 |
C08G73/02;C08G73/06;C08G73/10;H01B3/30;(IPC1-7):B32B27/04;B32B27/12;B32B27/34;H01B3/18 |
主分类号 |
C08G73/02 |
| 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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