C07D 307/91
Dibenzofurans
Official title: Dibenzofurans; Hydrogenated dibenzofurans
C07D307/91 (Dibenzofurans) appears on 1,022 US grants and 1,442 published applications in this corpus.
Search patents in C07D- Granted patents
- 1,022
- Published applications
- 1,442
- Assignees
- 356
- Inventors
- 2,410
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 21 | 0 |
| 1978 | 13 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 5 | 0 |
| 1996 | 9 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 11 | 0 |
| 2000 | 10 | 0 |
| 2001 | 16 | 1 |
| 2002 | 11 | 9 |
| 2003 | 16 | 19 |
| 2004 | 9 | 12 |
| 2005 | 6 | 23 |
| 2006 | 4 | 13 |
| 2007 | 9 | 16 |
| 2008 | 11 | 26 |
| 2009 | 12 | 28 |
| 2010 | 10 | 31 |
| 2011 | 18 | 20 |
| 2012 | 16 | 34 |
| 2013 | 13 | 22 |
| 2014 | 23 | 35 |
| 2015 | 26 | 51 |
| 2016 | 28 | 89 |
| 2017 | 51 | 72 |
| 2018 | 56 | 86 |
| 2019 | 68 | 91 |
| 2020 | 53 | 90 |
| 2021 | 64 | 91 |
| 2022 | 71 | 115 |
| 2023 | 88 | 169 |
| 2024 | 66 | 128 |
| 2025 | 65 | 111 |
| 2026 | 61 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Aromatic amine derivative, and organic electroluminescent element using same6 Oct 2026US 12,753,145 B2Idemitsu Kosan Co., Ltd.
- Organic molecules for use in light-emitting devices29 Sep 2026US 12,747,210 B2Samsung Display Co., Ltd.
- Tautomeric ligand enables biomimetic C—H hydroxylation with molecular oxygen22 Sep 2026US 12,741,937 B2The Scripps Research Institute
- 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 compound, a plurality of host materials, and organic electroluminescent device comprising the same8 Oct 2026US 2026/0314256 A1
- Organic electroluminescent element and electronic device1 Oct 2026US 2026/0297107 A1Idemitsu Kosan Co., Ltd.
- Light emitting element, amine compound for the light emitting element, and electronic device including the light emitting element1 Oct 2026US 2026/0305161 A1Samsung Display Co., Ltd.
- Light Emitting Element, Amine Compound For The Light Emitting Element, And Electronic Device Including The Light Emitting Element1 Oct 2026US 2026/0305162 A1Samsung Display Co., Ltd.
- Organic electroluminescent material and device thereof24 Sep 2026US 2026/0293519 A1
Most cited
By later US patents
- Medicaments for the treatment of disorders of lipometabolism and their use138US 4,405,644 ABayer Aktiengesellschaft · 1983
- Inhibitors of histone deacetylase91US 6,541,661 B1MethylGene Inc. · 2003
- Asthma and allergic inflammation modulators81US 7,541,383 B2Amgen Inc. · 2009
- Npyy5 antagonists74US 6,699,891 B1Shionogi & Co., Ltd. · 2004
- Inhibitors of IMPDH enzyme technical field of the invention73US 6,653,309 B1Vertex Pharmaceuticals Incorporated · 2003