Invention Grant
- Patent Title: Art of solvent extraction of petroleum distillates
- Patent Title (中): 石油馏分溶剂萃取技术
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Application No.: US52071431Application Date: 1931-03-06
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Publication No.: US2013040APublication Date: 1935-09-03
- Inventor: EDWARDS DAVID F , STARR JOHN V
- Applicant: STANDARD OIL DEV CO
- Assignee: Standard Oil Development Co
- Current Assignee: Standard Oil Development Co
- Priority: US52071431 1931-03-06
- Main IPC: C10G21/16
- IPC: C10G21/16
Information query
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