Invention Grant
- Patent Title: Solvent extraction of petroleum distillates
- Patent Title (中): 溶剂萃取石油馏分
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Application No.: US57524131Application Date: 1931-11-16
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Publication No.: US2022259APublication Date: 1935-11-26
- Inventor: STARR JOHN V
- Applicant: STANDARD OIL DEV CO
- Assignee: Standard Oil Development Co
- Current Assignee: Standard Oil Development Co
- Priority: US57524131 1931-11-16
- Main IPC: B01D11/04
- IPC: B01D11/04 ; C10G21/00
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