Invention Grant
- Patent Title: Catalyst purging
- Patent Title (中): 催化剂清洗
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Application No.: US29477739Application Date: 1939-09-13
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Publication No.: US2259486APublication Date: 1941-10-21
- Inventor: CARPENTER MORRIS T
- Applicant: STANDARD OIL CO
- Assignee: Standard Oil Co
- Current Assignee: Standard Oil Co
- Priority: US29477739 1939-09-13
- Main IPC: B01J8/18
- IPC: B01J8/18 ; B01J21/20 ; C10G11/16 ; C10G11/18
Public/Granted literature
- USD713198S1 Side handle for cookware Public/Granted day:2014-09-16
Information query
