C07D 311/84
With hetero atoms or with carbon atoms having three bonds to hetero
Official title: with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 9
C07D311/84 (With hetero atoms or with carbon atoms having three bonds to hetero) appears on 244 US grants and 177 published applications in this corpus.
Search patents in C07D- Granted patents
- 244
- Published applications
- 177
- Assignees
- 172
- Inventors
- 728
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 9 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 1 |
| 2002 | 5 | 8 |
| 2003 | 8 | 5 |
| 2004 | 4 | 5 |
| 2005 | 1 | 5 |
| 2006 | 0 | 3 |
| 2007 | 4 | 5 |
| 2008 | 3 | 8 |
| 2009 | 4 | 5 |
| 2010 | 4 | 13 |
| 2011 | 6 | 14 |
| 2012 | 6 | 3 |
| 2013 | 7 | 5 |
| 2014 | 4 | 13 |
| 2015 | 8 | 7 |
| 2016 | 5 | 13 |
| 2017 | 14 | 7 |
| 2018 | 7 | 8 |
| 2019 | 8 | 12 |
| 2020 | 7 | 6 |
| 2021 | 6 | 5 |
| 2022 | 2 | 5 |
| 2023 | 6 | 10 |
| 2024 | 3 | 5 |
| 2025 | 2 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Xanthene derivatives, mixtures comprising same, manufacturing method and corresponding uses2 Jun 2026US 12,643,873 B2Arkema France
- Fluorescent turn-on chemosensors for detection of aluminum ion and azide29 Apr 2025US 12,287,326 B2Morgan State University
- Method for producing peptide compound, protective group-forming reagent, and condensed polycyclic compound18 Feb 2025US 12,227,542 B2FUJIFILM Corporation
- Energy-sensitive composition, cured product, and forming method of patterned cured product24 Sep 2024US 12,099,297 B2Tokyo Ohka Kogyo.Co., Ltd.
- Fluorescent dyes and methods of use thereof26 Mar 2024US 11,939,350 B2Enzo Life Sciences, Inc.
- Photobases13 Aug 2026US 2026/0234174 A1Technische UniversitäT Wien
- Pharmaceutical composition for ameliorating malignant diseases16 Jul 2026US 2026/0200903 A1Kinki University
- Pharmaceutical composition for ameliorating malignant diseases9 Jul 2026US 2026/0193240 A1Kinki University
- Novel amino acid derivatives25 Sep 2025US 2025/0296915 A1PeptiDream Inc.
- Fluorescent turn-on chemosensors for detection of aluminum ion and azide17 Jul 2025US 2025/0231180 A1Morgan State University
Most cited
By later US patents
- Fluorone and pyronin y derivatives126US 5,451,343 ASpectra Group Limited, Inc. · 1995
- N-Heterocyclic-9-xanthenylamines84US 4,005,208 ASmithKline Corporation · 1977
- Radiation sensitive plates65US 5,130,227 AVickers, Incorporated · 1992
- Sensitizer for tumor treatment58US 6,572,839 B2Hitachi, Ltd. · 2003
- Assay for glutathiane transferase using polyhaloaryl-substituted reporter molecules57US 5,773,236 AMolecule Probes, Inc. · 1998