发明授权
US3945794A Production of level dyeings on acrylonitrile polymer fibers with basic
dyes
失效
用碱性染料生产丙烯腈聚合物纤维上的水平染色
- 专利标题: Production of level dyeings on acrylonitrile polymer fibers with basic dyes
- 专利标题(中): 用碱性染料生产丙烯腈聚合物纤维上的水平染色
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申请号: US443824申请日: 1974-02-19
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公开(公告)号: US3945794A公开(公告)日: 1976-03-23
- 发明人: Rudolf Rokohl , Rolf Fikentscher , Herbert Helfert
- 申请人: Rudolf Rokohl , Rolf Fikentscher , Herbert Helfert
- 申请人地址: DT Ludwigshafen (Rhine)
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DT Ludwigshafen (Rhine)
- 优先权: DT2309327 19730224
- 主分类号: D06P1/66
- IPC分类号: D06P1/66 ; D06P3/76 ; D06P5/06
摘要:
Acrylonitrile polymer fibers are dyed level shades with basic dyes using as leveling agent a quaternary ammonium salt containing two or three benzyl groups as nitrogen ligands.
公开/授权文献
- US4940467A Variable length fixation device 公开/授权日:1990-07-10
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