C09B 35/34
The tetrazo component being heterocyclic
Official title: the tetrazo component being heterocyclic
C09B35/34 (The tetrazo component being heterocyclic) appears on 67 US grants and 16 published applications in this corpus.
Search patents in C09B- Granted patents
- 67
- Published applications
- 16
- Assignees
- 31
- Inventors
- 115
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 3 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 2 | 4 |
| 2015 | 5 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- 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
- Composition, and optical film including the composition16 Jun 2020US 10,683,456 B2Sumitomo Chemical Company, Limited
- Optical film10 Dec 2019US 10,501,480 B2Sumitomo Chemical Company, Limited
- Dye compound, composition comprising dye compound, and display device using dye compound15 Oct 2019US 10,442,931 B2Samsung Display Co., Ltd.
- Ink composition, inkjet recording ink, and inkjet recording method8 Dec 2015US 9,206,326 B2FUJIFILM Corporation
- 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
- Dye compound, composition comprising dye compound, and display device using dye compound13 Dec 2018US 2018/0355179 A1Samsung Display Co., Ltd.
- Optical film26 Oct 2017US 2017/0305930 A1Sumitomo Chemical Company, Limited
- Composition, and optical film including the composition26 Oct 2017US 2017/0306237 A1Sumitomo Chemical Company, Limited
Most cited
By later US patents
- Imaging members with bichromophoric bisazo perylene photoconductive materials64US 5,077,161 AXerox Corporation · 1991
- Process for detecting the completion of the sterilizing treatment using a color changing indicator composition41US 4,015,937 ASakata Shokai, Ltd. · 1977
- Photoconductive imaging members with bisazo compositions32US 5,139,910 AXerox Corporation · 1992
- Liquid crystal composition22US 4,588,517 AHitachi, Ltd. · 1986
- Novel disazo compounds, process for the preparation of same and application of said disazo compounds and analogues thereof to electrophotographic sensitive materials20US 4,251,614 ARicoh Company, Ltd. · 1981