C09B 35/039
Characterised by the tetrazo component
Official title: characterised by the tetrazo component
C09B35/039 (Characterised by the tetrazo component) appears on 300 US grants and 59 published applications in this corpus.
Search patents in C09B- Granted patents
- 300
- Published applications
- 59
- Assignees
- 100
- Inventors
- 481
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 13 | 0 |
| 1978 | 13 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 11 | 0 |
| 1982 | 9 | 0 |
| 1983 | 11 | 0 |
| 1984 | 8 | 0 |
| 1985 | 13 | 0 |
| 1986 | 13 | 0 |
| 1987 | 8 | 0 |
| 1988 | 4 | 0 |
| 1989 | 15 | 0 |
| 1990 | 13 | 0 |
| 1991 | 20 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 14 | 0 |
| 1995 | 12 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 2 | 5 |
| 2005 | 5 | 4 |
| 2006 | 2 | 5 |
| 2007 | 1 | 2 |
| 2008 | 2 | 4 |
| 2009 | 3 | 5 |
| 2010 | 4 | 4 |
| 2011 | 5 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 4 | 4 |
| 2015 | 5 | 3 |
| 2016 | 1 | 6 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 5 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09B 35/08The tetrazo component being a derivative of biphenyl67
- C09B 35/34The tetrazo component being heterocyclic67
- C09B 35/205The tetrazo component being a derivative of a diaryl- or triaryl- alkane51
- C09B 35/28The tetrazo component containing two aryl nuclei linked by at least one23
- C09B 35/04The tetrazo component being a benzene derivative21
- C09B 35/24The tetrazo component being a derivative of a diaryl amine13
- C09B 35/22The tetrazo component being a derivative of a diaryl ether8
- C09B 35/233The tetrazo component being a derivative of a diaryl ketone or benzil7
Recent patents
- Disazo pigment, pigment composition, and printing ink14 Jul 2026US 12,679,977 B2DIC Corporation
- Aqueous additive solution for ink composition, aqueous colorant solution for ink composition, ink composition, ink composition for ink jet recording, and ink jet recording method2 Sep 2025US 12,404,417 B2FUJIFILM Corporation
- Color material dispersion liquid for color filters, color material, color filter, liquid crystal display device and organic light-emitting display device9 Nov 2021US 11,169,308 B2Dai Nippon Printing Co.Ltd.
- Unitary laundry detergent article25 May 2021US 11,015,153 B2The Procter & Gamble Company
- Composition, and optical film including the composition16 Jun 2020US 10,683,456 B2Sumitomo Chemical Company, Limited
- Light absorption anisotropic layer, laminate, and infrared light sensor system2 May 2024US 2024/0142682 A1FUJIFILM Corporation
- Aqueous additive solution for ink composition, aqueous colorant solution for ink composition, ink composition, ink composition for ink jet recording, and ink jet recording method18 Jan 2024US 2024/0018376 A1FUJIFILM Corporation
- Disazo pigment, pigment composition, and printing ink17 Aug 2023US 2023/0257588 A1DIC Corporation
- Unitary laundry detergent article1 Aug 2019US 2019/0233779 A1The Procter & Gamble Company
- Color material dispersion liquid for color filters, color material, color filter, liquid crystal display device and organic light-emitting display device25 Jul 2019US 2019/0227209 A1Dai Nippon Printing Co.Ltd.
Most cited
By later US patents
- Dimeric azo pyridone colorants103US 6,713,614 B2Xerox Corporation · 2004
- Method and materials for thermostable and lightfast dichroic light polarizers82US 5,739,296 ARussian Technology Group · 1998
- Aqueous ink composition81US 4,711,668 ARicoh Company, Ltd. · 1987
- Aqueous ink composition for ink-jet recording71US 4,713,113 ARicoh Company, Ltd. · 1987
- Photosensitive member with hydrazone charge transport material67US 4,786,571 AMinolta Camera Kabushiki Kaisha · 1988