Invention Grant
- Patent Title: Method of producing a crystalline mixture of hexamethylenetetramine thiocyanic acid and ammonium sulphate
- Patent Title (中): 生产六亚甲基四胺硫氰酸和硫酸铵的结晶混合物的方法
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Application No.: US16630250Application Date: 1950-06-05
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Publication No.: US2647897APublication Date: 1953-08-04
- Inventor: EDMUND WEIDNER
- Applicant: EDMUND WEIDNER
- Assignee: Weidner Edmund
- Current Assignee: Weidner Edmund
- Priority: DE2647897X 1948-12-31
- Main IPC: C07D487/18
- IPC: C07D487/18
Public/Granted literature
- US11571771B2 Soldering flux and soldering paste Public/Granted day:2023-02-07
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