C09B 35/03
In which the coupling component is a heterocyclic compound
Official title: in which the coupling component is a heterocyclic compound
C09B35/03 (In which the coupling component is a heterocyclic compound) appears on 66 US grants and 35 published applications in this corpus.
Search patents in C09B- Granted patents
- 66
- Published applications
- 35
- Assignees
- 31
- Inventors
- 138
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 1 | 3 |
| 2005 | 2 | 2 |
| 2006 | 1 | 4 |
| 2007 | 0 | 0 |
| 2008 | 2 | 4 |
| 2009 | 3 | 7 |
| 2010 | 5 | 3 |
| 2011 | 4 | 3 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 4 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Azo pigment, ink, paint, colorant for plastics, colored molded article, colorant for stationery and writing materials, printing agent, toner, dispersion and resist for color filters, and cosmetic material21 Apr 2026US 12,606,717 B2DIC Corporation
- Ink set7 Feb 2023US 11,572,485 B2Seiko Epson Corporation
- Pigment dispersion liquid and inkjet ink21 Jan 2020US 10,538,670 B2FUJIFILM Corporation
- Ink composition, inkjet recording ink, and inkjet recording method8 Dec 2015US 9,206,326 B2FUJIFILM Corporation
- Basic bisazo compounds30 Dec 2014US 8,921,564 B2Clariant Finance (BVI) Limited
- Azo pigment, ink, paint, colorant for plastics, colored molded article, colorant for stationery and writing materials, printing agent, toner, dispersion and resist for color filters, and cosmetic material14 Mar 2024US 2024/0084155 A1DIC Corporation
- Ink set6 Aug 2020US 2020/0248024 A1Seiko Epson Corporation
- Pigment dispersion liquid and inkjet ink23 May 2019US 2019/0153231 A1FUJIFILM Corporation
- Composition Comprising Disazo Dyes And Pigments30 Jun 2016US 2016/0185970 A1Clariant International Ltd.
- Use Of Disazo Compounds For Color Filters23 Jun 2016US 2016/0178817 A1Clariant International Ltd.
Most cited
By later US patents
- Dimeric azo pyridone colorants103US 6,713,614 B2Xerox Corporation · 2004
- Processes for preparing dianthranilate compounds and diazopyridone colorants95US 6,576,747 B1Xerox Corporation · 2003
- Method for making dimeric azo pyridone colorants95US 6,576,748 B1Xerox Corporation · 2003
- Aqueous ink composition for ink-jet recording71US 4,713,113 ARicoh Company, Ltd. · 1987
- Electrophotographic printing original plate and electrophotographic plate making process using the printing original plate25US 4,596,754 ARicoh Company, Ltd. · 1986