D06P 1/6426
Heterocyclic compounds
Official title: {Heterocyclic compounds}
D06P1/6426 (Heterocyclic compounds) appears on 185 US grants and 54 published applications in this corpus.
Search patents in D06P- Granted patents
- 185
- Published applications
- 54
- Assignees
- 71
- Inventors
- 285
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 12 | 0 |
| 1995 | 8 | 0 |
| 1996 | 15 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 10 | 0 |
| 2001 | 3 | 1 |
| 2002 | 10 | 5 |
| 2003 | 5 | 2 |
| 2004 | 3 | 3 |
| 2005 | 2 | 3 |
| 2006 | 1 | 2 |
| 2007 | 2 | 5 |
| 2008 | 0 | 3 |
| 2009 | 1 | 2 |
| 2010 | 2 | 1 |
| 2011 | 3 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 2 | 3 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 3 |
| 2020 | 3 | 4 |
| 2021 | 2 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 5 |
| 2025 | 2 | 0 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Fabric treatment agent, fabric printing method, fabric printing apparatus, and printed fabric19 May 2026US 12,630,972 B2Konica Minolta, Inc.
- Ink composition for ink jet textile printing and recording method27 Jan 2026US 12,534,852 B2Seiko Epson Corporation
- Ink jet textile-printing ink composition, recording method, and recorded material2 Dec 2025US 12,486,415 B2Seiko Epson Corporation
- Pyridine and pyrimidine substituted triazine UV absorbers18 Feb 2025US 12,227,898 B2Archroma (Switzerland) GmbH
- Aqueous ink for inkjet recording, ink set, inkjet recording device, and image forming method1 Oct 2026US 2026/0297360 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.
- Ink Jet Printing Penetrant And Ink Jet Recording Method29 Aug 2024US 2024/0287344 A1Seiko Epson Corporation
- Fabric treatment agent, textile printing ink set, pretreated fabric, textile printing method, and textile printed fabric18 Jul 2024US 2024/0240393 A1Konica Minolta, Inc.
- Fabric treatment agent, fabric printing method, fabric printing apparatus, and printed fabric11 Apr 2024US 2024/0117565 A1Konica Minolta, Inc.
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