Invention Grant
- Patent Title: 20-ketals of 3-hydroxy-5 beta-pregnan-20-one
- Patent Title (中): 20-缩酮的3-羟基-5β-孕烷-20-酮
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Application No.: US18032262Application Date: 1962-03-16
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Publication No.: US3152121APublication Date: 1964-10-06
- Inventor: WECHTER WILLIAM J
- Applicant: UPJOHN CO
- Assignee: Upjohn Co
- Current Assignee: Upjohn Co
- Priority: US18032262 1962-03-16
- Main IPC: C07J21/00
- IPC: C07J21/00
Public/Granted literature
- US20240367197A1 PIEZOELECTRIC ACTUATOR AND HAPTICS APPARATUS Public/Granted day:2024-11-07
Information query
