C09B 13/06
Oxyketone dyes: of the acetophenone series
Official title: of the acetophenone series
C09B13/06 (Oxyketone dyes: of the acetophenone series) appears on 3 US grants and 4 published applications in this corpus.
Search patents in C09B- Granted patents
- 3
- Published applications
- 4
- Assignees
- 1
- Inventors
- 4
- Latest grant
- 14 Dec 2021
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| 2015 | 0 | 0 |
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| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
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