D06P 3/324
Using basic dyes
Official title: {using basic dyes}
D06P3/324 (Using basic dyes) 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
- 6
- Latest grant
- 31 Oct 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 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 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Basic azo compounds, their production and use31 Oct 2000US 6,140,478 AClariant Finance (BVI) Limited
- Cationically bridged tetrakisazo dyestuffs with variable couplers, their production and use13 Aug 1996US 5,545,724 ASandoz Ltd.
- Use of certain quaternary ammonium compounds in dyeing leather with basic dyestuffs10 Jan 1989US 4,797,131 ASandoz Ltd.
Most cited
By later US patents
- Basic azo compounds, their production and use4US 6,140,478 AClariant Finance (BVI) Limited · 2000
- Cationically bridged tetrakisazo dyestuffs with variable couplers, their production and use3US 5,545,724 ASandoz Ltd. · 1996
- Use of certain quaternary ammonium compounds in dyeing leather with basic dyestuffs1US 4,797,131 ASandoz Ltd. · 1989