C09B 5/42
Pyridino anthraquinones
C09B5/42 (Pyridino anthraquinones) appears on 1 US grants and 3 published applications in this corpus.
Search patents in C09B- Granted patents
- 1
- Published applications
- 3
- Assignees
- 2
- Inventors
- 7
- Latest grant
- 23 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year.
Recent patents
Most cited
By later US patents