Invention Grant
US2568885A Manufacture of high polymeric compounds from n, n'-dicarbophenoxy-2, 4-diamino toluene and hexamethylene glycol
失效
从n,N'-二甲苯氧基-2,4-二氨基甲苯和六亚甲基二醇制备高分子化合物
- Patent Title: Manufacture of high polymeric compounds from n, n'-dicarbophenoxy-2, 4-diamino toluene and hexamethylene glycol
- Patent Title (中): 从n,N'-二甲苯氧基-2,4-二氨基甲苯和六亚甲基二醇制备高分子化合物
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Application No.: US78221347Application Date: 1947-10-25
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Publication No.: US2568885APublication Date: 1951-09-25
- Inventor: CLAUDE BONARD
- Applicant: CELANESE CORP
- Assignee: Celanese Corp
- Current Assignee: Celanese Corp
- Priority: GB225739 1939-01-23; US11576649 1949-09-14
- Main IPC: C08G18/32
- IPC: C08G18/32 ; C08G18/70 ; C08G18/80
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