D06P 3/021
Using acid dyes
Official title: {using acid dyes}
D06P3/021 (Using acid dyes) appears on 6 US grants and 2 published applications in this corpus.
Search patents in D06P- Granted patents
- 6
- Published applications
- 2
- Assignees
- 7
- Inventors
- 9
- Latest grant
- 24 Sep 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Acid dye mixture24 Sep 2019US RE47,618 E1DyStar Colours Distribution GmbH
- Acid dye mixture4 Dec 2012US 8,323,358 B2DyStar Colours Deutschland GmbH
- Methods for deep shade dyeing of textile articles containing melamine fibers13 Mar 2001US 6,200,355 B1BASF SE
- Dye mixtures, process for their preparation and the use thereof28 Sep 1999US 5,958,086 ACiba Specialty Chemicals Corporation
- Process for dyeing natural protein fibres with metallic azo dyes8 Aug 1978US 4,105,400 ACiba-Geigy Corporation
Most cited
By later US patents
- Dye mixtures, process for their preparation and the use thereof12US 5,958,086 ACiba Specialty Chemicals Corporation · 1999
- Process for the dyeing of polybenzimidazole fibers with anionic dyestuffs6US 3,942,950 ACelanese Corporation · 1976
- Process for dyeing natural protein fibres with metallic azo dyes3US 4,105,400 ACiba-Geigy Corporation · 1978
- Methods for deep shade dyeing of textile articles containing melamine fibers3US 6,200,355 B1BASF SE · 2001