D06P 1/6422
Compounds containing nitro or nitroso groups
Official title: {Compounds containing nitro or nitroso groups}
D06P1/6422 (Compounds containing nitro or nitroso groups) appears on 3 US grants and 1 published applications in this corpus.
Search patents in D06P- Granted patents
- 3
- Published applications
- 1
- Assignees
- 3
- Inventors
- 8
- Latest grant
- 9 Aug 2005
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Protection of reduction-sensitive dyes9 Aug 2005US 6,926,746 B2Clariant Finance (BVI) Limited
- Dyeing of polyamide substrates with an organic N-nitroso-hydroxylamine as light stabilizer31 Dec 1991US 5,076,808 ABASF SE
- Process for the end-to-end dyeing of cellulosic fibres31 Oct 1989US 4,877,413 ACiba-Geigy Corporation
Most cited
By later US patents
- Dyeing of polyamide substrates with an organic N-nitroso-hydroxylamine as light stabilizer54US 5,076,808 ABASF SE · 1991
- Process for the end-to-end dyeing of cellulosic fibres4US 4,877,413 ACiba-Geigy Corporation · 1989
- Protection of reduction-sensitive dyes4US 6,926,746 B2Clariant Finance (BVI) Limited · 2005