Invention Grant
- Patent Title: 1,2-naphthoquinone condensation products
- Patent Title (中): 1,2-萘醌缩合产物
-
Application No.: US14458950Application Date: 1950-02-16
-
Publication No.: US2554543APublication Date: 1951-05-29
- Inventor: NORBERT STEIGER
- Applicant: HOFFMANN LA ROCHE
- Assignee: Hoffmann La Roche
- Current Assignee: Hoffmann La Roche
- Priority: US14458950 1950-02-16
- Main IPC: C07C311/37
- IPC: C07C311/37
Public/Granted literature
- US20160044955A1 SMOKELESS TOBACCO PRODUCTS Public/Granted day:2016-02-18
Information query
