D06P 1/18
Azo dyes
D06P1/18 (Azo dyes) appears on 109 US grants and 56 published applications in this corpus.
Search patents in D06P- Granted patents
- 109
- Published applications
- 56
- Assignees
- 65
- Inventors
- 245
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 1 |
| 2010 | 2 | 5 |
| 2011 | 3 | 3 |
| 2012 | 3 | 1 |
| 2013 | 1 | 4 |
| 2014 | 2 | 3 |
| 2015 | 3 | 5 |
| 2016 | 1 | 3 |
| 2017 | 4 | 1 |
| 2018 | 3 | 1 |
| 2019 | 0 | 3 |
| 2020 | 3 | 4 |
| 2021 | 1 | 4 |
| 2022 | 3 | 4 |
| 2023 | 3 | 3 |
| 2024 | 2 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Reactive disperse yellow dye for supercritical CO2 dyeing and methods of production and use thereof20 Jan 2026US 12,528,943 B2Dalian Polytechnic University
- Colored resin particle dispersion, ink, ink set, and inkjet printing method30 Jul 2024US 12,049,569 B2FUJIFILM Corporation
- Disperse azo dyes, a process for the preparation thereof and the use thereof2 Apr 2024US 11,946,198 B2Huntsman Textile Effects (Switzerland) GmbH
- Methods for manufacturing printed textiles10 Oct 2023US 11,781,267 B2Agfa NV
- Ink jet ink composition, ink pack, and ink jet printing method2 May 2023US 11,639,061 B2Seiko Epson Corporation
- Non-bps mordants for acid-based dyes on textiles27 Aug 2026US 2026/0250906 A1Target Brands, Inc.
- New class of disperse azo dyes, a process for the preparation thereof and the use thereof13 Aug 2026US 2026/0234404 A1Archroma (Switzerland) GmbH
- Filament, material, and method for producing the material14 Dec 2023US 2023/0399772 A1Mitsubishi Gas Chemical Company, Inc.
- Reactive Disperse Yellow Dye for Supercritical CO2 Dyeing and Methods of Production and Use Thereof18 May 2023US 2023/0151218 A1Dalian Polytechnic University
- Disperse azo dyes, a process for the preparation thereof and the use thereof16 Mar 2023US 2023/0082859 A1Huntsman Advanced Materials (Switzerland) GmbH
Most cited
By later US patents
- Process for ink-jet printing textile fibre materials14US 6,284,004 B1Ciba Specialty Chemicals Corporation · 2001
- Laundry treatment compositions14US 8,268,016 B2The Sun Products Corporation · 2012
- Process for the preparation of a pigment composition12US 5,843,220 ACiba Specialty Chemicals Corporation · 1998
- Dyeing of polyester fabric with disazo dye11US 4,069,012 ACassella Farbwerke Mainkur Aktiengesellschaft · 1978
- Water-insoluble mono-azo yellow dyes derived from 1-phenyl-3-aminopyrazoles11US 4,216,145 AMontedison S.p.A. · 1980