Invention Grant
US2742496A Process for separating hexamethylene diamine salts of isophthalic and terephthalic acids
失效
分离间苯二甲酸和对苯二酸的六亚甲基二胺盐的方法
- Patent Title: Process for separating hexamethylene diamine salts of isophthalic and terephthalic acids
- Patent Title (中): 分离间苯二甲酸和对苯二酸的六亚甲基二胺盐的方法
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Application No.: US31056652Application Date: 1952-09-19
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Publication No.: US2742496APublication Date: 1956-04-17
- Inventor: LUM FUNSTON G , CARLSTON EARL F
- Applicant: CALIFORNIA RESEARCH CORP
- Assignee: California Research Corp
- Current Assignee: California Research Corp
- Priority: US31056652 1952-09-19
- Main IPC: C07C51/47
- IPC: C07C51/47 ; C07C209/86 ; C07C211/12
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