D06P 1/42
Using basic dyes without azo groups
Official title: using basic dyes without azo groups
D06P1/42 (Using basic dyes without azo groups) appears on 20 US grants and 10 published applications in this corpus.
Search patents in D06P- Granted patents
- 20
- Published applications
- 10
- Assignees
- 16
- Inventors
- 45
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 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 | 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 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cationic dyes and uses thereof12 May 2026US 12,624,215 B2Ever Dye
- Basic dye mixtures for aramid fibres5 Jul 2022US 11,377,787 B2DyStar Colours Distribution GmbH
- Dyed leather-like sheet and fiber structure24 May 2022US 11,339,531 B2Kuraray Co., Ltd.
- Formulations having benzoate dye carriers for meta-aramid articles23 Oct 2018US 10,106,926 B2Dow Global Technologies LLC
- Coloring material and method for producing the same18 Jul 2017US 9,708,244 B2Dai Nippon Printing Co.Ltd.
- Cationic dyes and uses thereof20 Aug 2026US 2026/0242608 A1Ever Dye
- Therapeutic thiazine dye compositions and methods of use24 Apr 2025US 2025/0127794 A1Bioinnovations Oy
- Cationic dyes and uses thereof17 Apr 2025US 2025/0122379 A1Ever Dye
- Therapeutic Thiazine Dye Compositions and Methods of Use2 Jun 2022US 2022/0168317 A1Bioinnovations Oy
- Basic dye mixtures for aramid fibres7 Nov 2019US 2019/0338461 A1DyStar Colours Distribution GmbH
Most cited
By later US patents
- Benzodifuran dyestuffs24US 4,115,404 AImperial Chemical Industries PLC · 1978
- Enzymatic stone-wash of denim using xyloglucan/xyloglucanase11US 5,914,443 ANovo Nordisk A/S · 1999
- Benzodipyrrole dyestuffs10US 4,122,087 AImperial Chemical Industries PLC · 1978
- Cationic compounds8US 4,652,645 ACiba-Geigy Corporation · 1987
- Monoazo compounds having a thiazolium or substituted thiazolium diazo component radical and a 1,4-phenylene coupling component radical having a C.sub.1-4 alkyl group in each ortho position5US 4,251,440 ASandoz Ltd. · 1981