Invention Grant
- Patent Title: Production of surface-active agents for sulfonation of petroleum oil
- Patent Title (中): 生产石油磺化表面活性剂
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Application No.: US28165452Application Date: 1952-04-10
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Publication No.: US2807589APublication Date: 1957-09-24
- Inventor: EDWARD MITCHELL , HUMPHREY EARL L
- Applicant: GULF RESEARCH DEVELOPMENT CO
- Assignee: Gulf Research Development Co
- Current Assignee: Gulf Research Development Co
- Priority: US28165452 1952-04-10
- Main IPC: C07C309/62
- IPC: C07C309/62
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