D06P 1/647
Nitrogen-containing carboxylic acids or their salts
D06P1/647 (Nitrogen-containing carboxylic acids or their salts) appears on 51 US grants and 33 published applications in this corpus.
Search patents in D06P- Granted patents
- 51
- Published applications
- 33
- Assignees
- 39
- Inventors
- 128
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 3 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 3 | 6 |
| 2021 | 1 | 1 |
| 2022 | 3 | 3 |
| 2023 | 1 | 4 |
| 2024 | 3 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Textile printing ink3 Dec 2024US 12,157,972 B2Konica Minolta, Inc.
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- Pretreatment liquid, pretreatment device, and pretreatment method4 Jun 2026US 2026/0152656 A1Brother Kogyo Kabushiki Kaisha
- Composition, pretreatment agent set, pretreatment method, and image forming method29 Aug 2024US 2024/0287733 A1Brother Kogyo Kabushiki Kaisha
- Ink set6 Jun 2024US 2024/0182738 A1Sakata Inx Corporation
- Pretreatment apparatus, pretreatment method, producing method, and aqueous solution12 Oct 2023US 2023/0322006 A1Brother Kogyo Kabushiki Kaisha
- Inkjet ink, uses thereof and related compositions, fabrics, method and systems25 May 2023US 2023/0159780 A1Guangzhou Xiyin International Import and Export Co., Ltd.
Most cited
By later US patents
- Ink jet printing of textiles44US 5,853,861 AE. I. Du Pont de Nemours and Company · 1998
- Ultraviolet radiation protective clothing41US 6,034,003 A2000
- Process for the treatment of skins, hides or shett materials containing collagen by a dense, pressurized fluid22US 5,512,058 ACentre Technique Cuir Chaussure Maroquinerie · 1996
- Cloth for textile printing, and textile printing process using the cloth and print obtained thereby17US 6,200,667 B1Canon Kabushiki Kaisha · 2001
- Cloth treating agent, cloth, textile printing process and print16US 6,613,821 B2Canon Kabushiki Kaisha · 2003