Invention Grant
- Patent Title: Tetraphosphoric acid esters
- Patent Title (中): 四磷酸酯
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Application No.: US13593137Application Date: 1937-04-09
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Publication No.: US2128946APublication Date: 1938-09-06
- Inventor: KATZMAN MORRIS B
- Applicant: KATZMAN MORRIS B
- Assignee: Morris B Katzman
- Current Assignee: Morris B Katzman
- Priority: US13593137 1937-04-09
- Main IPC: C07F9/09
- IPC: C07F9/09
Public/Granted literature
- US08387620B1 Oral device for anterior advancement and medial constraint of the tongue Public/Granted day:2013-03-05
Information query
