Singly protected 2,2' -dihydroxybiaryls
US-2017349520-A1 · Dec 7, 2017 · US
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Fridag Dirk patents in 2017
Fridag Dirk was listed as an assignee on 11 patent publications in 2017.
| Metric | Value |
|---|---|
| Company | Fridag Dirk |
| Year | 2017 |
| Patents | 11 |
Patents
Representative publications for Fridag Dirk in 2017.
2,2' -diaminobiaryls having a phthaloyl group or succinoyl group
US-2017305846-A1 · Oct 26, 2017 · US
2,2' -diamino biaryls with two secondary amines and production thereof by electrochemical coupling
US-2017298013-A1 · Oct 19, 2017 · US
Bisphosphites having an unsymmetric outer biphenol unit
US-9790244-B2 · Oct 17, 2017 · US
2,2' -diaminobiaryls having one primary and one secondary amine
US-2017291871-A1 · Oct 12, 2017 · US
Top CPC classifications
Most common classification codes for Fridag Dirk in 2017.
| CPC | Patents |
|---|---|
| C25B3/10 | 5 |
| C25B3/29 | 5 |
| B01J2231/321 | 4 |
| B01J2531/822 | 4 |
| C07C45/50 | 4 |
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