C09B 69/04
Of anionic dyes with nitrogen containing compounds
Official title: of anionic dyes with nitrogen containing compounds
C09B69/04 (Of anionic dyes with nitrogen containing compounds) appears on 165 US grants and 102 published applications in this corpus.
Search patents in C09B- Granted patents
- 165
- Published applications
- 102
- Assignees
- 81
- Inventors
- 411
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 4 |
| 2002 | 6 | 5 |
| 2003 | 7 | 5 |
| 2004 | 5 | 5 |
| 2005 | 0 | 7 |
| 2006 | 3 | 6 |
| 2007 | 4 | 8 |
| 2008 | 3 | 10 |
| 2009 | 6 | 10 |
| 2010 | 5 | 17 |
| 2011 | 9 | 7 |
| 2012 | 9 | 4 |
| 2013 | 5 | 3 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Labels comprising dibromopyridazinediones for immunoassays and methods of production and use thereof9 Jun 2026US 12,649,853 B2Siemens Healthcare Diagnostics Inc.
- Organic ammonium salts with traceability and detergent dispersant properties to liquid fuels and processes for their synthesis23 Sep 2025US 12,421,186 B2Instituto Mexicano Del Petroleo
- Color matched and bright fluorescent materials composed of small-molecule ionic lattices16 Sep 2025US 12,415,927 B2Indiana University Research and Technology Corporation
- Curable composition, cured film, optical filter, laminate, solid image pickup element, image display device, and infrared sensor1 Feb 2022US 11,236,215 B2FUJIFILM Corporation
- Storage-stable dye solutions27 Aug 2019US 10,392,514 B2Archroma IP GmbH
- Organic ammonium salts with traceability and detergent dispersant properties to liquid fuels and processes for their synthesis30 Oct 2025US 2025/0333374 A1Instituto Mexicano Del Petroleo
- Organic ammonium salts with traceability and detergent dispersant properties to liquid fuels and processes for their synthesis13 Jun 2024US 2024/0190812 A1Instituto Mexicano Del Petroleo
- Labels comprising dibromopyridazinediones for immunoassays and methods of production and use thereof11 Jan 2024US 2024/0010841 A1Siemens Healthcare Diagnostics Inc.
- Color matched and bright fluorescent materials composed of small-molecule ionic lattices31 Dec 2020US 2020/0407628 A1Indiana University Research and Technology Corporation
- Enhanced fluorescence readout and reduced inhibition for nucleic acid amplification tests25 Apr 2019US 2019/0119737 A1The Regents of the University of California
Most cited
By later US patents
- Process for the preparation of concentrated stable liquid dye solutions of CI Direct Yellow 11 utilizing an extended surface silica filter aid during a desalting procedure55US 4,617,380 ACiba-Geigy Corporation · 1986
- Water-soluble sulphur dyes, their preparation and use46US 5,383,961 ACassella Aktiengesellschaft · 1995
- Fugitive colorant and washable ink compositions44US 5,059,244 AMilliken Research Corporation · 1991
- Alternative phthalocyanine dyes suitable for use in offset inks42US 7,566,363 B2Silverbrook Research Pty Ltd · 2009
- Dispersion of solids in organic solvents37US 4,057,436 AImperial Chemical Industries PLC · 1977