C09B 23/164
Containing one nitrogen atom
Official title: {containing one nitrogen atom}
C09B23/164 (Containing one nitrogen atom) appears on 102 US grants and 79 published applications in this corpus.
Search patents in C09B- Granted patents
- 102
- Published applications
- 79
- Assignees
- 42
- Inventors
- 221
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 10 |
| 2011 | 0 | 1 |
| 2012 | 2 | 7 |
| 2013 | 8 | 6 |
| 2014 | 4 | 2 |
| 2015 | 5 | 8 |
| 2016 | 5 | 6 |
| 2017 | 9 | 14 |
| 2018 | 5 | 9 |
| 2019 | 8 | 2 |
| 2020 | 5 | 3 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cyanine dyes12 May 2026US 12,624,391 B2Pacific Biosciences of California, Inc.
- Pigmented and fluorescent compounds derived from the addition of a primary or secondary amine to an aldehyde31 Mar 2026US 12,590,209 B2Regents of the University of Minnesota
- Cyanine dyes11 Apr 2023US 11,624,089 B2Pacific Biosciences of California, Inc.
- Voltage sensitive dyes17 May 2022US 11,332,484 B2Akita Innovations LLC
- Methine dyes7 Dec 2021US 11,193,023 B2LANXESS Deutschland GmbH
- Cyanine Dyes25 Apr 2024US 2024/0132948 A1Pacific Biosciences of California, Inc.
- Pigmented and fluorescent compounds derived from the addition of a primary or secondary amine to an aldehyde15 Sep 2022US 2022/0289981 A1Regents of the University of Minnesota
- Voltage sensitive dyes28 Jul 2022US 2022/0235075 A1Akita Innovations LLC
- Cyanine dyes23 Jul 2020US 2020/0232023 A1Pacific Biosciences of California, Inc.
- Novel methine dyes9 Apr 2020US 2020/0109290 A1LANXESS Deutschland GmbH
Most cited
By later US patents
- Cyanine dye labelling reagents with meso-substitution77US 7,172,907 B2GE Healthcare Bio-Sciences AB · 2007
- Pharmaceutical compositions of near IR closed chain, sulfo-cyanine dyes74US 10,405,753 B2Intuitive Surgical Operations, Inc. · 2019
- Structured organic films29US 8,093,347 B2Xerox Corporation · 2012
- Bis-pyrazole aza compounds, processes for making them, and hair dye compositions containing these compounds23US 5,865,855 AWella Aktiengesellschaft · 1999
- Photographic dye image stabilization20US 4,042,394 AEastman Kodak Company · 1977