发明授权
US4213890A Preparation of terephthaloyl-terephthal/oxal copolyhydrazide containing
zinc compound
失效
含锌化合物的对苯二甲酰对苯二甲酸/草酰共酰亚胺的制备
- 专利标题: Preparation of terephthaloyl-terephthal/oxal copolyhydrazide containing zinc compound
- 专利标题(中): 含锌化合物的对苯二甲酰对苯二甲酸/草酰共酰亚胺的制备
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申请号: US948494申请日: 1978-10-04
-
公开(公告)号: US4213890A公开(公告)日: 1980-07-22
- 发明人: Walter Brodowski , Michael Wallrabenstein
- 申请人: Walter Brodowski , Michael Wallrabenstein
- 申请人地址: NC Asheville
- 专利权人: Akzona Incorporated
- 当前专利权人: Akzona Incorporated
- 当前专利权人地址: NC Asheville
- 优先权: DEX2744621 19771004
- 主分类号: C08G73/08
- IPC分类号: C08G73/08 ; C08K3/10
摘要:
Flame retardant films and fibers of zinc chelates of terephthaloyl-terephthalic/oxalic copolyhydrazides, the oxalic dihydrazide and terephthalic dihydrazide units having a molar ratio in the range of 19:6 to 6:19. The products aftertreated with an oxalic acid solution are colorless.
公开/授权文献
- US5934929A Electrical connection box 公开/授权日:1999-08-10
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