D06P 1/642
Compounds containing nitrogen
D06P1/642 (Compounds containing nitrogen) appears on 412 US grants and 205 published applications in this corpus.
Search patents in D06P- Granted patents
- 412
- Published applications
- 205
- Assignees
- 153
- Inventors
- 775
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 4 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 14 | 0 |
| 1990 | 13 | 0 |
| 1991 | 17 | 0 |
| 1992 | 10 | 0 |
| 1993 | 13 | 0 |
| 1994 | 15 | 0 |
| 1995 | 15 | 0 |
| 1996 | 19 | 0 |
| 1997 | 15 | 0 |
| 1998 | 16 | 0 |
| 1999 | 23 | 0 |
| 2000 | 14 | 0 |
| 2001 | 7 | 3 |
| 2002 | 13 | 6 |
| 2003 | 8 | 13 |
| 2004 | 6 | 11 |
| 2005 | 8 | 9 |
| 2006 | 2 | 4 |
| 2007 | 2 | 7 |
| 2008 | 0 | 5 |
| 2009 | 2 | 7 |
| 2010 | 2 | 4 |
| 2011 | 6 | 6 |
| 2012 | 2 | 2 |
| 2013 | 6 | 2 |
| 2014 | 2 | 3 |
| 2015 | 4 | 2 |
| 2016 | 3 | 5 |
| 2017 | 4 | 4 |
| 2018 | 2 | 16 |
| 2019 | 5 | 13 |
| 2020 | 12 | 13 |
| 2021 | 8 | 10 |
| 2022 | 8 | 18 |
| 2023 | 10 | 15 |
| 2024 | 8 | 16 |
| 2025 | 9 | 2 |
| 2026 | 6 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- D06P 1/6426Heterocyclic compounds185
- D06P 1/649Compounds containing carbonamide, thiocarbonamide or guanyl groups122
- D06P 1/645Aliphatic, araliphatic or cycloaliphatic compounds containing amino groups65
- D06P 1/647Nitrogen-containing carboxylic acids or their salts51
- D06P 1/6424Compounds containing isocyanate or isothiocyanate groups16
- D06P 1/6421Compounds containing nitrile groups14
- D06P 1/6423Compounds containing azide or oxime groups13
- D06P 1/6429Bound to a six-membered aromatic carbocyclic ring10
Recent patents
- Treatment liquid composition for dye printing, composition set, textile printing method, and ink jet textile printing method30 Jun 2026US 12,668,712 B2Seiko Epson Corporation
- Aqueous inkjet ink composition for textile printing9 Jun 2026US 12,649,862 B2Sakata Inx Corporation
- Fabric treatment agent, fabric printing method, fabric printing apparatus, and printed fabric19 May 2026US 12,630,972 B2Konica Minolta, Inc.
- Recording method19 May 2026US 12,630,973 B2Seiko Epson Corporation
- Digital printed fabric, manufacturing method for digital printed fabric, and digital printing ink5 May 2026US 12,617,964 B2Taiwan Textile Research Institute
- Aqueous ink for inkjet recording, ink set, inkjet recording device, and image forming method1 Oct 2026US 2026/0297360 A1Brother Kogyo Kabushiki Kaisha
- Aqueous ink for inkjet recording, ink set, inkjet recording device, and image forming method1 Oct 2026US 2026/0297845 A1Brother Kogyo Kabushiki Kaisha
- Aqueous ink for inkjet recording, ink set, inkjet recording device, and image forming method1 Oct 2026US 2026/0297846 A1Brother Kogyo Kabushiki Kaisha
- Polymer for textile printing ink, emulsion for textile printing ink containing said polymer, and textile printing ink6 Aug 2026US 2026/0226676 A1Nippon Shokubai Co., Ltd.
- Pretreatment liquid, pretreatment device, and pretreatment method4 Jun 2026US 2026/0152656 A1Brother Kogyo Kabushiki Kaisha
Most cited
By later US patents
- Use of substituted 2-(2'-hydroxyaryl)-2H-benzotriazolesulfonates as photostabilizing agents for natural and synthetic fibres80US 4,770,667 ABoard of Regents, U T Systems · 1988
- Process for improving the photochemical stability of dyeings on polyester fibre materials77US 4,831,068 ACiba-Geigy Corporation · 1989
- Process for photochemical stabilization of polyamide fiber material and mixtures thereof with other fibers: water-soluble copper complex dye and light-stabilizer69US 4,874,391 ACiba-Geigy Corporation · 1989
- Process for photochemical stabilization of undyed and dyed polyamide fibre material and blends thereof with other fibres: copper complex and light stabilizer treatment68US 4,775,386 ACiba-Geigy Corporation · 1988
- Aqueous dispersion of sparingly soluble UV absorbers65US 5,498,345 ACiba-Geigy Corporation · 1996