C07D 311/82
Xanthenes
C07D311/82 (Xanthenes) appears on 723 US grants and 610 published applications in this corpus.
Search patents in C07D- Granted patents
- 723
- Published applications
- 610
- Assignees
- 410
- Inventors
- 1,785
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 26 | 0 |
| 1977 | 10 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 11 | 0 |
| 1982 | 7 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 14 | 0 |
| 1991 | 16 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 12 | 0 |
| 1995 | 21 | 0 |
| 1996 | 14 | 0 |
| 1997 | 15 | 0 |
| 1998 | 16 | 0 |
| 1999 | 12 | 0 |
| 2000 | 17 | 0 |
| 2001 | 16 | 6 |
| 2002 | 18 | 21 |
| 2003 | 17 | 18 |
| 2004 | 13 | 12 |
| 2005 | 4 | 24 |
| 2006 | 11 | 21 |
| 2007 | 9 | 16 |
| 2008 | 14 | 29 |
| 2009 | 10 | 17 |
| 2010 | 10 | 30 |
| 2011 | 18 | 32 |
| 2012 | 19 | 19 |
| 2013 | 20 | 23 |
| 2014 | 21 | 34 |
| 2015 | 23 | 31 |
| 2016 | 21 | 35 |
| 2017 | 37 | 30 |
| 2018 | 30 | 43 |
| 2019 | 30 | 26 |
| 2020 | 34 | 21 |
| 2021 | 15 | 23 |
| 2022 | 10 | 19 |
| 2023 | 16 | 24 |
| 2024 | 13 | 27 |
| 2025 | 12 | 10 |
| 2026 | 7 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compound for organic electric element, organic electric element using same, and electronic device thereof15 Sep 2026US 12,735,407 B2Duk San Neolux Co., Ltd.
- Compound, coating composition comprising same, organic light-emitting device using same, and manufacturing method therefor8 Sep 2026US 12,729,312 B2LG Chem.Ltd.
- Organic electroluminescent element and electronic device using same30 Jun 2026US 12,668,739 B2Idemitsu Kosan Co., Ltd.
- Xanthene derivatives, mixtures comprising same, manufacturing method and corresponding uses2 Jun 2026US 12,643,873 B2Arkema France
- Polymerizable absorbers of UV and high energy visible light12 May 2026US 12,624,214 B2Johnson & Johnson Vision Care, Inc.
- Methods and Systems for Sensitive and Multiplexed Analysis of Short RNA Sequences8 Oct 2026US 2026/0308668 A1Arizona Board of Regents on behalf of Arizona State University
- Organic electroluminescent element and electronic device1 Oct 2026US 2026/0297107 A1Idemitsu Kosan Co., Ltd.
- Photobases13 Aug 2026US 2026/0234174 A1Technische UniversitäT Wien
- Polymerizable absorbers of uv and high energy visible light6 Aug 2026US 2026/0226278 A1Johnson & Johnson Vision Care, Inc.
- Method for synthesizing fluoroalkyl-substituted 4,4'-diaminodiphenylmethane compound16 Jul 2026US 2026/0200826 A1Hainan University
Most cited
By later US patents
- 4,7-dichlorofluorescein dyes as molecular probes318US 5,188,934 AApplied Biosystems, LLC · 1993
- Energy transfer dyes with enhanced fluorescence209US 5,945,526 AThe Perkin-Elmer Corporation · 1999
- Sulfonated xanthene derivatives204US 6,130,101 AMolecular Probes, Inc. · 2000
- Novel ether substituted fluorescein polyamino acid compounds as fluorescers and quenchers186US 4,318,846 ASyva Company · 1982
- Certain tricyclic and pentacyclic-hetero nitrogen rhodol dyes164US 5,227,487 AMolecular Probes, Inc. · 1993