D06P 3/56
Preparing azo dyes on the material
D06P3/56 (Preparing azo dyes on the material) appears on 6 US grants and 6 published applications in this corpus.
Search patents in D06P- Granted patents
- 6
- Published applications
- 6
- Assignees
- 9
- Inventors
- 24
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 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 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
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
- Methods and apparatuses for processing textile fibers, kettle automatic operation devices, and textile fiber products16 Mar 2021US 10,947,667 B2Bestee Material (Tsingtao) Co., Ltd.
- Apparatus and method for applying colors and performance chemicals on carpet yarns1 Jan 2019US 10,167,593 B2Invista North America S A R L
- Process for the printing of mixed fabrics of polyester and cellulose fibers15 Jul 1980US 4,212,646 AHoechst Aktiengesellschaft
- Process and agent for coloring cellulose containing blended fiber textiles2 Jan 1979US 4,132,523 AHoechst Aktiengesellschaft
- Process and plant for removing dyes from waste textiles19 Feb 2026US 2026/0049447 A1Sanko Tekstil Isletmeleri San. Ve Tic. A. S.
- Reactive Disperse Yellow Dye for Supercritical CO2 Dyeing and Methods of Production and Use Thereof18 May 2023US 2023/0151218 A1Dalian Polytechnic University
- Leather-like sheet and fiber structure13 Feb 2020US 2020/0048828 A1Kuraray Co., Ltd.
- Methods and apparatuses for processing textile fibers, kettle automatic operation devices, and textile fiber products4 Oct 2018US 2018/0282944 A1Bestee Material (Tsingtao) Co., Ltd.
- Apparatus and Method For Applying Colors and Performance Chemicals On Carpet Yarns20 Aug 2015US 2015/0233052 A1Invista Technologies S.A R.L.
Most cited
By later US patents
- Mixtures of dyestuffs8US 3,954,395 ABayer Aktiengesellschaft · 1976
- Process and agent for coloring cellulose containing blended fiber textiles4US 4,132,523 AHoechst Aktiengesellschaft · 1979
- Process for the printing of mixed fabrics of polyester and cellulose fibers1US 4,212,646 AHoechst Aktiengesellschaft · 1980