Invention Grant
- Patent Title: Catalysts and the preparation thereof
- Patent Title (中): 催化剂及其制备方法
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Application No.: US38279441Application Date: 1941-03-11
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Publication No.: US2331292APublication Date: 1943-10-12
- Inventor: ARCHIBALD RAYMOND C , SMITH ALBERT E
- Applicant: SHELL DEV
- Assignee: Shell Development Co
- Current Assignee: Shell Development Co
- Priority: US38279441 1941-03-11; US558294X 1941-03-11
- Main IPC: B01J21/16
- IPC: B01J21/16
Information query
