C09B 57/08
Naphthalimide dyes
Official title: Naphthalimide dyes; Phthalimide dyes
C09B57/08 (Naphthalimide dyes) appears on 163 US grants and 145 published applications in this corpus.
Search patents in C09B- Granted patents
- 163
- Published applications
- 145
- Assignees
- 106
- Inventors
- 416
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 6 |
| 2004 | 4 | 1 |
| 2005 | 0 | 5 |
| 2006 | 2 | 5 |
| 2007 | 3 | 7 |
| 2008 | 3 | 9 |
| 2009 | 8 | 10 |
| 2010 | 8 | 5 |
| 2011 | 8 | 10 |
| 2012 | 5 | 7 |
| 2013 | 8 | 6 |
| 2014 | 6 | 8 |
| 2015 | 9 | 10 |
| 2016 | 11 | 7 |
| 2017 | 7 | 10 |
| 2018 | 6 | 4 |
| 2019 | 6 | 4 |
| 2020 | 4 | 4 |
| 2021 | 3 | 4 |
| 2022 | 2 | 6 |
| 2023 | 0 | 3 |
| 2024 | 4 | 3 |
| 2025 | 3 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Luminescent compound, method for producing luminescent compound, luminescent composition, luminescent thin film and luminescent particles21 Apr 2026US 12,606,739 B2Konica Minolta, Inc.
- Wavelength selective absorption filter and organic electroluminescent display device25 Nov 2025US 12,479,989 B2FUJIFILM Corporation
- Molecular renal probes for detecting acute kidney injury13 May 2025US 12,296,027 B2Nanyang Technological University
- Fluorescent dye oil tracer compositions7 Jan 2025US 12,188,350 B2Saudi Arabian Oil Company
- Kits comprising aldehydes to reduce artifacts in analyzing glycans released from glycoproteins or glycopeptides17 Sep 2024US 12,092,644 B2Agilent Technologies, Inc.
- Thermally activated delayed fluorescent solvent-free organic liquid20 Aug 2026US 2026/0242397 A1
- Biodegradable dye compositions and applications thereof13 Aug 2026US 2026/0234405 A1
- Molecular renal probes for detecting acute kidney injury11 Jun 2026US 2026/0158174 A1Nanyang Technological University
- Novel fluorescent compound, and lipid bilayer dyeing method and endocytosis detection method using said compound25 Dec 2025US 2025/0388756 A1Dojindo Laboratories
- Wavelength selective absorption filter and organic electroluminescent display device13 Nov 2025US 2025/0346750 A1FUJIFILM Corporation
Most cited
By later US patents
- Glucose sensing molecules having selected fluorescent properties205US 6,682,938 B1MiniMed Inc. · 2004
- Saccharide sensing molecules having enhanced fluorescent properties170US 6,673,625 B2MiniMed Inc. · 2004
- Methods for preparing arene-BIS (dicarboximide)-based semiconducting materials and related intermediates for preparing same47US 7,893,265 B2Polyera Corporation · 2011
- Substrates for .beta.-lactamase and uses thereof45US 5,955,604 AThe Regents of the University of California · 1999
- Water soluble fluorescent or colored dyes and methods for their use43US 9,765,220 B2Sony Corporation · 2017