C09B 62/67
Disazo or polyazo dyes
C09B62/67 (Disazo or polyazo dyes) appears on 2 US grants and 0 published applications in this corpus.
Search patents in C09B- Granted patents
- 2
- Published applications
- 0
- Assignees
- 2
- Inventors
- 3
- Latest grant
- 14 Aug 1984
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
No published applications in this class yet.
Most cited
By later US patents