Invention Grant
- Patent Title: Regeneration of powder
- Patent Title (中): 粉末再生
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Application No.: US36802640Application Date: 1940-11-30
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Publication No.: US2322075APublication Date: 1943-06-15
- Inventor: TYSON CHARLES W
- Applicant: STANDARD OIL DEV CO
- Assignee: Standard Oil Development Co
- Current Assignee: Standard Oil Development Co
- Priority: US36802640 1940-11-30
- Main IPC: B01J8/18
- IPC: B01J8/18
Information query
