Invention Grant
US2169196A Process for the preparation of dibromoaminoanthraquinone compounds and products obtainable thereby
失效
用于制备二溴氨基蒽醌化合物的方法和可由其获得的产物
- Patent Title: Process for the preparation of dibromoaminoanthraquinone compounds and products obtainable thereby
- Patent Title (中): 用于制备二溴氨基蒽醌化合物的方法和可由其获得的产物
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Application No.: US17019037Application Date: 1937-10-21
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Publication No.: US2169196APublication Date: 1939-08-08
- Inventor: LEE HENRY R , KLEIN DAVID X
- Applicant: DU PONT
- Assignee: Du Pont
- Current Assignee: Du Pont
- Priority: US17019037 1937-10-21
- Main IPC: C09B1/22
- IPC: C09B1/22
Public/Granted literature
- US11159191B1 Wireless amplifier circuitry for carrier aggregation Public/Granted day:2021-10-26
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