C09B 33/04
In which the coupling component is a dihydroxy or polyhydroxy compound
Official title: in which the coupling component is a dihydroxy or polyhydroxy compound
C09B33/04 (In which the coupling component is a dihydroxy or polyhydroxy compound) appears on 38 US grants and 16 published applications in this corpus.
Search patents in C09B- Granted patents
- 38
- Published applications
- 16
- Assignees
- 25
- Inventors
- 119
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compound, tautomer of compound or salt of compound or tautomer, method for producing same, coloring composition, dyeing method, and dyed article4 Mar 2025US 12,240,842 B2FUJIFILM Corporation
- Reactive dyes and preparation methods thereof17 Sep 2024US 12,091,552 B2Nantong University
- Water-based ink for ink-jet recording6 Sep 2022US 11,434,386 B2Brother Kogyo Kabushiki Kaisha
- Methods and compositions for reducing the proliferation of gram positive bacteria13 Mar 2018US 9,913,854 B2Massachusetts Eye and Ear Infirmary
- Method of fabricating a liquid crystal polymer film11 Apr 2017US 9,617,205 B2Beam Engineering for Advanced Measurements Co.
- Alternative solvent systems and dye formulations10 Sep 2026US 2026/0265527 A1
- Reactive dyes and preparation methods thereof14 Mar 2024US 2024/0084144 A1Nantong University
- Compound, tautomer of compound or salt of compound or tautomer, method for producing same, coloring composition, dyeing method, and dyed article3 Aug 2023US 2023/0242523 A1FUJIFILM Corporation
- Water-Based Ink For Ink-Jet Recording3 Oct 2019US 2019/0300735 A1Brother Kogyo Kabushiki Kaisha
- Use Of Disazo Compounds For Color Filters23 Jun 2016US 2016/0178817 A1Clariant International Ltd.
Most cited
By later US patents
- Bis aryl-azo derivatives of 2,3-naphthalenediol40US 4,414,152 AEastman Kodak Company · 1983
- Method of fabricating a liquid crystal polymer film29US 9,617,205 B2Beam Engineering for Advanced Measurements Co. · 2017
- Helichromic-smectic liquid crystal compositions and display cells22US 4,514,045 AMinnesota Mining and Manufacturing Company · 1985
- Electrographic liquid developers containing azo dye marking particles derived from 2,3-naphthalenediol or derivatives thereof11US 4,145,299 AEastman Kodak Company · 1979
- Azo compound8US 5,616,694 AZeneca Limited · 1997