C07D 307/48
Furfural
C07D307/48 (Furfural) appears on 291 US grants and 349 published applications in this corpus.
Search patents in C07D- Granted patents
- 291
- Published applications
- 349
- Assignees
- 199
- Inventors
- 855
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 1 |
| 2003 | 4 | 3 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 3 |
| 2007 | 2 | 2 |
| 2008 | 2 | 2 |
| 2009 | 1 | 7 |
| 2010 | 2 | 6 |
| 2011 | 3 | 11 |
| 2012 | 8 | 16 |
| 2013 | 14 | 29 |
| 2014 | 20 | 36 |
| 2015 | 22 | 26 |
| 2016 | 28 | 30 |
| 2017 | 21 | 26 |
| 2018 | 25 | 28 |
| 2019 | 21 | 23 |
| 2020 | 19 | 27 |
| 2021 | 20 | 16 |
| 2022 | 14 | 10 |
| 2023 | 12 | 6 |
| 2024 | 7 | 8 |
| 2025 | 6 | 17 |
| 2026 | 4 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalytic and continuous thermochemical process of production of valuable derivatives from organic materials and/or waste6 Oct 2026US 12,753,141 B2Instituto Superior Tecnico
- Processes and cataylsts for the selective hydrogenation of compounds having carbonyl carbon atoms24 Mar 2026US 12,583,831 B2Archer Daniels Midland Company
- Metal catalyst and hydrogen gas free approaches for selective reduction of aldehyde to methyl group of different substituted furans10 Mar 2026US 12,570,624 B2Council of Scientific and Industrial Research
- Process for the production of furfural13 Jan 2026US 12,522,574 B2Arbaflame Technology AS
- Process for the production of furfural using a water immiscible organic solvent30 Dec 2025US 12,509,433 B2Covation, Inc.
- Bifunctional acidic catalysts and preperation methods of furfural via catalyzing hemicellulose or xylose8 Oct 2026US 2026/0307066 A1Nanjing University
- Method for synthesising 5-hydroxymethylfurfural24 Sep 2026US 2026/0285823 A1Ifp Energies Nouvelles
- Process for the preparation of 5-(alkoxymethyl)furfural13 Aug 2026US 2026/0234117 A1Avantium Knowledge Centre B.V.
- Bonding resin6 Aug 2026US 2026/0226333 A1Stora Enso OYJ
- Processes and cataylsts for the selective hydrogenation of compounds having carbonyl carbon atoms9 Jul 2026US 2026/0193223 A1Archer Daniels Midland Company
Most cited
By later US patents
- Recovery of lignin112US 4,764,596 ARepap Technologies Inc. · 1988
- Production of levulinic acid from carbohydrate-containing materials70US 5,608,105 ABiofine Incorporated · 1997
- Furfural process65US 4,533,743 AAtlantic Richfield Company · 1985
- Organosolv delignification and saccharification process for lignocellulosic plant materials61US 4,409,032 AThermoform Bau-Und Forschungsgesellschaft · 1983
- Process for the manufacture of furfural55US 6,743,928 B1International Furan Technology (PTY) Limited · 2004