D06P 3/522
Using basic dyes
Official title: {using basic dyes}
D06P3/522 (Using basic dyes) appears on 33 US grants and 18 published applications in this corpus.
Search patents in D06P- Granted patents
- 33
- Published applications
- 18
- Assignees
- 33
- Inventors
- 96
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 4 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 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
- Transparency-enhanced fabric using polyester-ether block copolymer yarn, and manufacturing method therefor10 Oct 2023US 11,781,266 B2Jeongsan International Co., Ltd.
- Dyed leather-like sheet and fiber structure24 May 2022US 11,339,531 B2Kuraray Co., Ltd.
- Woven fabric19 Apr 2022US 11,306,419 B2Dongguan Shichang Metals Factory Ltd.
- Napped artificial leather dyed with cationic dye, and method for manufacturing the same20 Apr 2021US 10,982,382 B2Kuraray Co., Ltd.
- Cationic dyes and uses thereof20 Aug 2026US 2026/0242608 A1Ever Dye
- Cationic dyes and uses thereof17 Apr 2025US 2025/0122379 A1Ever Dye
- Multicolor polyester fabric and methods of manufacturing same25 Jan 2024US 2024/0026604 A1Aladdin Manufacturing Corporation
- Fabric and fiber product30 Sep 2021US 2021/0301431 A1Teijin Frontier Co., Ltd.
- Woven Fabric20 May 2021US 2021/0148016 A1Dongguan Shichang Metals Factory Ltd.
Most cited
By later US patents
- Enzymatic modification of the surface of a polyester fiber or article73US 6,254,645 B1Genencor International, Inc. · 2001
- Cationic dyestuffs54US 3,971,807 ABayer Aktiengesellschaft · 1976
- Polyester fiber treated with anionic polyalkylene oxide emulsified polyester polyether finish15US 4,027,346 AToyo Boseki Kabushiki Kaisha · 1977
- Dyeing assistants and their use in dyeing synthetic fibre material9US 4,252,534 ACiba-Geigy Corporation · 1981
- Normal pressure cationic dyeable polyester and fiber9US 8,297,035 B2Teijin Fibers Limited · 2012