Invention Grant
- Patent Title: Alkenylation of thiophenes
- Patent Title (中): 噻吩的烯基化
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Application No.: US13531049Application Date: 1949-12-27
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Publication No.: US2667495APublication Date: 1954-01-26
- Inventor: BECKER SAM B
- Applicant: STANDARD OIL CO
- Assignee: Standard Oil Co
- Current Assignee: Standard Oil Co
- Priority: US13531049 1949-12-27
- Main IPC: C07D333/08
- IPC: C07D333/08
Public/Granted literature
- US08977620B1 Method and system for document classification Public/Granted day:2015-03-10
Information query
