Invention Grant
- Patent Title: Solvent extraction process
- Patent Title (中): 溶剂萃取工艺
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Application No.: US66958033Application Date: 1933-05-05
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Publication No.: US2081719APublication Date: 1937-05-25
- Inventor: DIJCK WILLEM J D VAN
- Applicant: SHELL DEV
- Assignee: Telephone Cables Ltd
- Current Assignee: Telephone Cables Ltd
- Priority: NL2081719X 1932-05-11
- Main IPC: B01D11/04
- IPC: B01D11/04 ; C10G21/00
Information query
