发明授权
- 专利标题: Solution for forming thermal resisting polymers
- 专利标题(中): 用于形成耐热聚合物的溶液
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申请号: US530099申请日: 1974-12-06
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公开(公告)号: US3997513A公开(公告)日: 1976-12-14
- 发明人: Yuzuru Noda , Makoto Kojima , Shiro Mazaki , Yasutada Katashiba
- 申请人: Yuzuru Noda , Makoto Kojima , Shiro Mazaki , Yasutada Katashiba
- 申请人地址: JA Ibaragi
- 专利权人: Nitto Electric Industrial Co., Ltd.
- 当前专利权人: Nitto Electric Industrial Co., Ltd.
- 当前专利权人地址: JA Ibaragi
- 优先权: JA47-34046 19720404
- 主分类号: C08G18/10
- IPC分类号: C08G18/10 ; C08G18/34 ; C08G18/38 ; C08G18/64 ; C08G18/80 ; C08G73/10 ; C08G22/32
摘要:
A concentrated solution suitable for forming thermal resisting polymers having a high degree of polymerization comprising a mixture of a prepolymer solution prepared by the reaction of an organic diisocyanate or diamine and a molar excess of 1,2,3,4-butanetetracarboxylic acid or an anhydride of the acid, and a blocked polyisocyanate.
公开/授权文献
- US5714498A Benzimidazole derivatives 公开/授权日:1998-02-03
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