发明授权
- 专利标题: Method of producing alkandiol-diaminobenzoates
- 专利标题(中): 产生二氢二氨基苯甲酸酯的方法
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申请号: US966404申请日: 1978-12-04
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公开(公告)号: US4283549A公开(公告)日: 1981-08-11
- 发明人: Boris Holm
- 申请人: Boris Holm
- 申请人地址: SEX Bofors
- 专利权人: Aktiebolaget Bofors
- 当前专利权人: Aktiebolaget Bofors
- 当前专利权人地址: SEX Bofors
- 优先权: SEX7714047 19771212
- 主分类号: C07C205/57
- IPC分类号: C07C205/57 ; C07C101/62
摘要:
A method of producing alkandiol-diaminobenzoates which includes esterifying nitro-benzoic acid and certain diols in a melt and then dissolving the intermediate in a solvent sparingly soluble in water such as an aromatic hydrocarbon, an ether or an ester and reducing with hydrogen gas.
公开/授权文献
- US5334734A Vat dyes 公开/授权日:1994-08-02
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