发明授权
US5493003A Solutions of polyimide-forming substances and their use as coating
materials
失效
聚酰亚胺形成物质的解决方案及其作为涂料的用途
- 专利标题: Solutions of polyimide-forming substances and their use as coating materials
- 专利标题(中): 聚酰亚胺形成物质的解决方案及其作为涂料的用途
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申请号: US320319申请日: 1994-10-11
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公开(公告)号: US5493003A公开(公告)日: 1996-02-20
- 发明人: Rainer Blum , Manfred Schwarz , Gerhard Hoffmann
- 申请人: Rainer Blum , Manfred Schwarz , Gerhard Hoffmann
- 申请人地址: DEX Muenster
- 专利权人: BASF Lacke + Farben Aktiengesellschaft
- 当前专利权人: BASF Lacke + Farben Aktiengesellschaft
- 当前专利权人地址: DEX Muenster
- 优先权: DEX4335323.1 19931018
- 主分类号: C08G73/10
- IPC分类号: C08G73/10 ; C09D179/08 ; C08G69/26
摘要:
Solutions of polyimide-forming substances containA) polyamines andB) amides and/or esters of tetracarboxylic acids, the amido or ester groups carrying substituents selected from the group consisting of carboxyl, sulfo and silicon-containing groups,and are used as polyimide coatings.
公开/授权文献
- US4942549A Recursive adder for calculating the sum of two operands 公开/授权日:1990-07-17