C12Q 2334/20
Coumarin derivatives
C12Q2334/20 (Coumarin derivatives) appears on 64 US grants and 24 published applications in this corpus.
Search patents in C12Q- Granted patents
- 64
- Published applications
- 24
- Assignees
- 55
- Inventors
- 137
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 2 |
| 2003 | 5 | 3 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 2 |
| 2008 | 1 | 0 |
| 2009 | 2 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 3 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
| 2023 | 2 | 2 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Silane-fluorophore complex indicator fluoride measurement10 Feb 2026US 12,546,718 B2Hach Company
- Saposin C pharmaceutical compositions and methods of treating cancer14 Jan 2025US 12,194,099 B2Bexion Pharmaceuticals Inc.
- Fluorescence based extracellular enzyme activity assay for early detection of biofouling in seawater desalination systems15 Aug 2023US 11,726,026 B2King Abdullah University of Science and Technology
- Saposin C pharmaceutical compositions and methods of treating cancer28 Feb 2023US 11,590,227 B2Bexion Pharmaceuticals Inc.
- Specific substrate of an ALDH isoenzyme6 Dec 2022US 11,519,014 B2Advanced Biodesign
- Method for Producing Fluorescent Probe Library Using Solid-Phase Extraction and Method of Measuring Enzyme Activity Using Same29 Aug 2024US 2024/0287106 A1Riken
- Silane-fluorophore complex indicator fluoride measurement13 Jun 2024US 2024/0192136 A1Hach Company
- High throughput, fluorescence-based esterase activity assay for assessing polysorbate degradation risk during biopharmaceutical development2 Nov 2023US 2023/0348953 A1Genentech, Inc.
- Saposin c pharmaceutical compositions and methods of treating cancer20 Jul 2023US 2023/0226188 A1Bexion Pharmaceuticals Inc.
- Culture medium for detection of bacterium belonging to genus listeria18 Mar 2021US 2021/0079439 A1Nissui Pharmaceutical Co., Ltd.
Most cited
By later US patents
- Fluorescent haloalkyl derivatives of reporter molecules well retained in cells110US 5,362,628 AMolecular Probes, Inc. · 1994
- Haloalkyl derivatives of reporter molecules used to analyze metabolic activity in cells94US 5,576,424 AMolecular Probes, Inc. · 1996
- Compositions for the detection of proteases in biological samples and methods of use thereof73US 5,605,809 AOncoimmunin, Inc. · 1997
- Rapid method for detecting microorganisms71US 4,591,554 AAjinomoto Co., Inc. · 1986
- Fluorogenic compounds43US 6,372,895 B13M Innovative Properties Company · 2002