D06P 3/663
Reactive group directly attached to heterocyclic group
Official title: {reactive group directly attached to heterocyclic group}
D06P3/663 (Reactive group directly attached to heterocyclic group) appears on 40 US grants and 21 published applications in this corpus.
Search patents in D06P- Granted patents
- 40
- Published applications
- 21
- Assignees
- 23
- Inventors
- 91
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
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
- Isomeric mixture of reactive dyes and their use for the dyeing or printing of textile fibre materials18 Nov 2025US 12,473,432 B2Archroma (Switzerland) GmbH
- Mixture of reactive dyes and their use for the dyeing or printing of textile fibre materials21 Oct 2025US 12,448,519 B2Archroma (Switzerland) GmbH
- Ink composition, ink set, and recording method4 Feb 2020US 10,550,277 B2Seiko Epson Corporation
- Heavy metal free, blue and navy fibre-reactive dye mixtures28 May 2019US 10,301,475 B2DryStar Colours Distribution GmbH
- Indigo-free fabric with denim visual appearance19 Jun 2025US 2025/0198081 A1Swiss Performance Chemicals AG
- Isomeric mixture of reactive dyes and their use for the dyeing or printing of textile fibre materials8 May 2025US 2025/0145831 A1Archroma (Switzerland) GmbH
- Mixture Of Reactive Dyes And Their Use For The Dyeing Or Printing Of Textile Fibre Materials1 Jun 2023US 2023/0167304 A1Archroma (Switzerland) GmbH
- Reactive Disperse Yellow Dye for Supercritical CO2 Dyeing and Methods of Production and Use Thereof18 May 2023US 2023/0151218 A1Dalian Polytechnic University
- Blue and navy fibre reactive dye mixtures7 Nov 2019US 2019/0338132 A1DyStar Colours Distribution GmbH
Most cited
By later US patents
- Reactive dyestuff mixture having improved properties in combination19US 5,456,728 ABayer Aktiengesellschaft · 1995
- Multicolor ink jet printing method15US 6,336,721 B12002
- Process for dyeing or printing cellulose fibers or cellulose blend fibers with pyridinium-triazine reactive dye, axable without alkali14US 4,693,726 AHoechst Aktiengesellschaft · 1987
- Printing ink applying to various textile materials, the process for preparing it and the printing method using it12US 7,374,605 B2Inktec Co., Ltd. · 2008
- Process for dyeing or printing cellulosic textile fibre material by the trichromatic technique: reactive dyes11US 5,071,442 ACiba-Geigy Corporation · 1991