C09B 5/52
Preparation by condensation of 1.2-halogeno-amino-anthraquinones
C09B5/52 (Preparation by condensation of 1.2-halogeno-amino-anthraquinones) appears on 2 US grants and 0 published applications in this corpus.
Search patents in C09B- Granted patents
- 2
- Published applications
- 0
- Assignees
- 1
- Inventors
- 4
- Latest grant
- 19 Jun 2001
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| Year | Granted patents | Published applications |
|---|---|---|
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
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