C09B 23/0041
The substituent being bound through a nitrogen atom
Official title: {the substituent being bound through a nitrogen atom}
C09B23/0041 (The substituent being bound through a nitrogen atom) appears on 47 US grants and 46 published applications in this corpus.
Search patents in C09B- Granted patents
- 47
- Published applications
- 46
- Assignees
- 40
- Inventors
- 156
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 4 |
| 2005 | 3 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 4 |
| 2012 | 4 | 4 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 0 | 2 |
| 2019 | 0 | 4 |
| 2020 | 1 | 2 |
| 2021 | 3 | 6 |
| 2022 | 3 | 2 |
| 2023 | 2 | 1 |
| 2024 | 3 | 0 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Providing intelligible markings138US 5,093,147 ABattelle Memorial Institute · 1992
- Near infrared ray-decolorizable recording material82US 5,166,041 AShowa Denko K. K. · 1992
- N-heteroaromatic ion and iminium ion substituted cyanine dyes for use as fluorescence labels82US 5,453,505 ABiometric Imaging, Inc. · 1995
- Near infrared fluorescent contrast agent and fluorescence imaging31US 7,488,468 B1Fuji Photo Film Co., Ltd. · 2009
- Optical recording medium24US 4,713,314 ATDK Corporation · 1987