发明授权
- 专利标题: High molecular weight aromatic polyesters and processes for their production
- 专利标题(中): 高分子量芳族聚酯及其生产工艺
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申请号: US488120申请日: 1983-04-25
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公开(公告)号: US4482694A公开(公告)日: 1984-11-13
- 发明人: Dieter Freitag , Uwe Hucks , Hans-Jurgen Meissner
- 申请人: Dieter Freitag , Uwe Hucks , Hans-Jurgen Meissner
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 主分类号: C08G63/79
- IPC分类号: C08G63/79 ; C08G63/82 ; C08G63/14 ; C08G63/18
摘要:
High molecular weight aromatic polyesters having a low content of end groups and a very slight inherent color can be obtained according to the phase interfacial process wherein particular amines and a slight alkali excess are used.
公开/授权文献
- US3954634A Stable, low-viscosity fabric softener 公开/授权日:1976-05-04
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