C09B 62/44
Reactive dyes, i.e. dyes which form covalent bonds with the substrates or
Official title: with the reactive group not directly attached to a heterocyclic ring
C09B62/44 (Reactive dyes, i.e. dyes which form covalent bonds with the substrates or) appears on 780 US grants and 169 published applications in this corpus.
Search patents in C09B- Granted patents
- 780
- Published applications
- 169
- Assignees
- 121
- Inventors
- 723
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 22 | 0 |
| 1978 | 15 | 0 |
| 1979 | 8 | 0 |
| 1980 | 10 | 0 |
| 1981 | 13 | 0 |
| 1982 | 12 | 0 |
| 1983 | 12 | 0 |
| 1984 | 12 | 0 |
| 1985 | 12 | 0 |
| 1986 | 16 | 0 |
| 1987 | 23 | 0 |
| 1988 | 32 | 0 |
| 1989 | 43 | 0 |
| 1990 | 42 | 0 |
| 1991 | 35 | 0 |
| 1992 | 35 | 0 |
| 1993 | 27 | 0 |
| 1994 | 33 | 0 |
| 1995 | 47 | 0 |
| 1996 | 45 | 0 |
| 1997 | 30 | 0 |
| 1998 | 41 | 0 |
| 1999 | 22 | 0 |
| 2000 | 14 | 0 |
| 2001 | 17 | 2 |
| 2002 | 12 | 6 |
| 2003 | 12 | 13 |
| 2004 | 8 | 19 |
| 2005 | 11 | 9 |
| 2006 | 15 | 10 |
| 2007 | 5 | 7 |
| 2008 | 6 | 14 |
| 2009 | 8 | 4 |
| 2010 | 3 | 6 |
| 2011 | 8 | 10 |
| 2012 | 1 | 6 |
| 2013 | 6 | 3 |
| 2014 | 3 | 5 |
| 2015 | 5 | 5 |
| 2016 | 4 | 3 |
| 2017 | 1 | 2 |
| 2018 | 2 | 9 |
| 2019 | 4 | 4 |
| 2020 | 4 | 3 |
| 2021 | 4 | 6 |
| 2022 | 3 | 5 |
| 2023 | 2 | 6 |
| 2024 | 3 | 4 |
| 2025 | 7 | 4 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09B 62/4401With two or more reactive groups at least one of them being436
- C09B 62/503The reactive group being an esterified or non-esterified hydroxyalkyl sulfonyl or mercaptoalkyl348
- C09B 62/78With other reactive groups57
- C09B 62/443The reactive group being alternatively specified55
- C09B 62/465The reactive group being an acryloyl group, a quaternised or non-quaternised aminoalkyl51
- C09B 62/523The reactive group being an esterified or non-esterified hydroxyalkyl sulfonyl amido or12
- C09B 62/62The reactive group being an ethylenamino or n-acylated ethylenamino group or a4
- C09B 62/54The reactive group being an epoxy or halohydrin group3
Recent patents
- Dyes undergoing changes in color and fluorescence upon binding of organic oxo compounds18 Aug 2026US 12,710,366 B2Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft und Energie, dieser vertreten durch den Präsidenten der Bundesanstalt für Materialforschung und -prüfung, (BAM)
- Polymerizable absorbers of UV and high energy visible light12 May 2026US 12,624,214 B2Johnson & Johnson Vision Care, Inc.
- Polymerizable absorbers of UV and high energy visible light7 Apr 2026US 12,595,370 B2Johnson & Johnson Vision Care, Inc.
- Contact lens with improved vision break-up time7 Apr 2026US 12,595,371 B2Johnson & Johnson Vision Care, Inc.
- Ophthalmic devices17 Feb 2026US 12,552,883 B2Bausch + Lomb Ireland Limited
- Polymerizable absorbers of uv and high energy visible light6 Aug 2026US 2026/0226278 A1Johnson & Johnson Vision Care, Inc.
- Sulfonate-Containing Water-Solubilizing Peptides11 Jun 2026US 2026/0160758 A1
- Contact lens displaying improved vision attributes4 Jun 2026US 2026/0152590 A1Johnson & Johnson Vision Care, Inc.
- Ophthalmic devices14 May 2026US 2026/0132232 A1Bausch + Lomb Ireland Limited
- Reactive hevl-absorbing dyes27 Nov 2025US 2025/0361400 A1Alcon Inc.
Most cited
By later US patents
- Non-bleeding indicator and dyes therefor149US 4,029,598 AE. Merck A. G. · 1977
- Use of colorants for recording fluids36US 5,102,459 AHoechst Aktiengesellschaft · 1992
- Fiber-reactive dyes comprising a halopyrimidine for which a vinylsulfonyl or the like moiety is attached via a bridge member35US 4,968,781 ACiba-Geigy Corporation · 1990
- Water-soluble dyestuffs containing fibre-reactive groups of the vinylsulfone series and the fluoro-s-triazinyl-amino series34US 4,649,193 AHoechst Aktiengesellschaft · 1987
- Disazo dyes having a 6-amino or substituted triazinylamino-1-hydroxynaphthalene-3-sulfonic acid coupling component radical33US 4,083,840 ASandoz Ltd. · 1978