C09B 62/02
Reactive dyes, i.e. dyes which form covalent bonds with the substrates or
Official title: with the reactive group directly attached to a heterocyclic ring
C09B62/02 (Reactive dyes, i.e. dyes which form covalent bonds with the substrates or) appears on 537 US grants and 116 published applications in this corpus.
Search patents in C09B- Granted patents
- 537
- Published applications
- 116
- Assignees
- 105
- Inventors
- 629
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 13 | 0 |
| 1978 | 12 | 0 |
| 1979 | 9 | 0 |
| 1980 | 14 | 0 |
| 1981 | 18 | 0 |
| 1982 | 17 | 0 |
| 1983 | 8 | 0 |
| 1984 | 17 | 0 |
| 1985 | 18 | 0 |
| 1986 | 13 | 0 |
| 1987 | 19 | 0 |
| 1988 | 12 | 0 |
| 1989 | 20 | 0 |
| 1990 | 15 | 0 |
| 1991 | 21 | 0 |
| 1992 | 23 | 0 |
| 1993 | 36 | 0 |
| 1994 | 18 | 0 |
| 1995 | 22 | 0 |
| 1996 | 26 | 0 |
| 1997 | 19 | 0 |
| 1998 | 18 | 0 |
| 1999 | 14 | 0 |
| 2000 | 16 | 0 |
| 2001 | 10 | 0 |
| 2002 | 8 | 2 |
| 2003 | 7 | 7 |
| 2004 | 4 | 13 |
| 2005 | 11 | 11 |
| 2006 | 12 | 4 |
| 2007 | 1 | 5 |
| 2008 | 7 | 12 |
| 2009 | 4 | 2 |
| 2010 | 0 | 5 |
| 2011 | 4 | 3 |
| 2012 | 3 | 4 |
| 2013 | 5 | 4 |
| 2014 | 1 | 0 |
| 2015 | 1 | 4 |
| 2016 | 4 | 4 |
| 2017 | 2 | 4 |
| 2018 | 1 | 6 |
| 2019 | 4 | 2 |
| 2020 | 4 | 1 |
| 2021 | 2 | 5 |
| 2022 | 3 | 3 |
| 2023 | 0 | 3 |
| 2024 | 4 | 5 |
| 2025 | 3 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09B 62/04To a triazine ring380
- C09B 62/20To a pyrimidine ring93
- C09B 62/022The heterocyclic ring being alternatively specified60
- C09B 62/36To some other heterocyclic ring23
- C09B 62/021Specific dyes not provided for in groups c09b62/024 - c09b62/03811
- C09B 62/12To a pyridazine ring4
- C09B 62/28To a pyrazine ring3
- C09B 62/343To a five membered ring2
Recent patents
- Labels comprising dibromopyridazinediones for immunoassays and methods of production and use thereof9 Jun 2026US 12,649,853 B2Siemens Healthcare Diagnostics Inc.
- 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
- Silicon containing detectable compounds and uses thereof22 Jul 2025US 12,365,801 B2Singular Genomics Systems, Inc.
- Compound, photosensitive fluorescent resin composition comprising same, color conversion film, backlight unit, and display device4 Mar 2025US 12,242,191 B2LG Chem.Ltd.
- Labels comprising dibromopyridazinediones for immunoassays and methods of production and use thereof17 Sep 2026US 2026/0275110 A1Siemens Healthcare Diagnostics Inc.
- Azasilane detectable compounds23 Apr 2026US 2026/0109863 A1Singular Genomics Systems, Inc.
- Thermostable glycosyltransferase variants25 Dec 2025US 2025/0388945 A1
- Novel fluorescent dyes and polymers from dihydrophenanthrene derivatives18 Dec 2025US 2025/0383357 A1
- Reactive hevl-absorbing dyes27 Nov 2025US 2025/0361400 A1Alcon Inc.
Most cited
By later US patents
- Cationic imidazole azo dyes292US 5,708,151 ACiba Specialty Chemicals Corporation · 1998
- Aqueous ink composition for ink-jet recording98US 4,737,190 ARicoh Company, Ltd. · 1988
- Aqueous ink composition81US 4,711,668 ARicoh Company, Ltd. · 1987
- Ink and ink jet recording method employing the same79US 5,123,960 ACanon Kabushiki Kaisha · 1992
- Aqueous ink composition for ink jet-recording78US 4,647,310 ARicoh Company, Ltd. · 1987