Invention Grant
- Patent Title: Polymerization of unsaturated aldehydes
- Patent Title (中): 不饱和醛的聚合
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Application No.: US17353537Application Date: 1937-11-08
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Publication No.: US2212894APublication Date: 1940-08-27
- Inventor: ALLEN CLYVE C
- Applicant: SHELL DEV
- Assignee: Shell Development Co
- Current Assignee: Shell Development Co
- Priority: US17353537 1937-11-08
- Main IPC: C08G2/00
- IPC: C08G2/00
Public/Granted literature
- US11250254B2 Methods and systems for detecting photograph replacement in a photo identity document Public/Granted day:2022-02-15
Information query
