C09B 62/41
Disazo or polyazo dyes
C09B62/41 (Disazo or polyazo dyes) appears on 2 US grants and 2 published applications in this corpus.
Search patents in C09B- Granted patents
- 2
- Published applications
- 2
- Assignees
- 2
- Inventors
- 5
- Latest grant
- 7 Nov 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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By later US patents