C09B 62/503
The reactive group being an esterified or non-esterified hydroxyalkyl sulfonyl or mercaptoalkyl
Official title: the reactive group being an esterified or non-esterified hydroxyalkyl sulfonyl or mercaptoalkyl sulfonyl group, a quaternised or non-quaternised aminoalkyl sulfonyl group, a heterylmercapto alkyl sulfonyl group, a vinyl sulfonyl or a substituted vinyl sulfonyl group, or a thiophene-dioxide group
C09B62/503 (The reactive group being an esterified or non-esterified hydroxyalkyl sulfonyl or mercaptoalkyl) appears on 348 US grants and 66 published applications in this corpus.
Search patents in C09B- Granted patents
- 348
- Published applications
- 66
- Assignees
- 63
- Inventors
- 375
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 17 | 0 |
| 1989 | 20 | 0 |
| 1990 | 21 | 0 |
| 1991 | 20 | 0 |
| 1992 | 17 | 0 |
| 1993 | 11 | 0 |
| 1994 | 16 | 0 |
| 1995 | 24 | 0 |
| 1996 | 22 | 0 |
| 1997 | 16 | 0 |
| 1998 | 18 | 0 |
| 1999 | 10 | 0 |
| 2000 | 6 | 0 |
| 2001 | 12 | 0 |
| 2002 | 2 | 2 |
| 2003 | 4 | 3 |
| 2004 | 7 | 13 |
| 2005 | 6 | 4 |
| 2006 | 9 | 5 |
| 2007 | 2 | 5 |
| 2008 | 3 | 5 |
| 2009 | 4 | 4 |
| 2010 | 2 | 1 |
| 2011 | 3 | 4 |
| 2012 | 0 | 2 |
| 2013 | 3 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 4 |
| 2019 | 3 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 0 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Mixture of reactive dyes and their use for the dyeing or printing of textile fibre materials21 Oct 2025US 12,448,519 B2Archroma (Switzerland) GmbH
- Process for the simultaneous tanning and dyeing of collagen containing fibrous material3 Jun 2025US 12,319,973 B2Archroma (Switzerland) GmbH
- Method of manufacturing reactive composition and ink for high stability12 Nov 2024US 12,139,616 B2
- Fibre reactive dyes, their preparation and their use11 Jun 2024US 12,006,437 B2Huntsman Textile Effects (Switzerland) GmbH
- Reactive dye compound and preparation method and application thereof28 Jun 2022US 11,370,921 B2Shanghai Kehua Dyestuff Industry Co., Ltd.
- Reactive hevl-absorbing dyes27 Nov 2025US 2025/0361400 A1Alcon Inc.
- A reactive dye compound and preparation method and application thereof7 Dec 2023US 2023/0392017 A1Shanghai Kehua Dyestuff Industry Co., Ltd.
- Mixture Of Reactive Dyes And Their Use For The Dyeing Or Printing Of Textile Fibre Materials1 Jun 2023US 2023/0167304 A1Archroma (Switzerland) GmbH
- Fibre Reactive Dyes, Their Preparation and Their Use18 Aug 2022US 2022/0259435 A1Huntsman Advanced Materials (Switzerland) GmbH
- Method of manufacturing reactive composition and ink for high stability28 Oct 2021US 2021/0332246 A13 Wins Digital Technology Co., Ltd.
Most cited
By later US patents
- Use of colorants for recording fluids36US 5,102,459 AHoechst Aktiengesellschaft · 1992
- Reactive dyes for inkjet printing32US 5,542,972 AHoechst Aktiengesellschaft · 1996
- Phenyl-azo-phenyl dyestuffs20US 4,134,887 AHoechst Aktiengesellschaft · 1979
- Triphendioxazine vinyl sulphone dyestuffs20US 4,577,015 ABayer Aktiengesellschaft · 1986
- Disazo dye composition19US 4,257,770 ASumitomo Chemical Company, Limited · 1981