C07D 307/46
Doubly bound oxygen atoms, or two oxygen atoms singly bound to the
Official title: Doubly bound oxygen atoms, or two oxygen atoms singly bound to the same carbon atom
C07D307/46 (Doubly bound oxygen atoms, or two oxygen atoms singly bound to the) appears on 709 US grants and 673 published applications in this corpus.
Search patents in C07D- Granted patents
- 709
- Published applications
- 673
- Assignees
- 463
- Inventors
- 2,110
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 13 | 0 |
| 1978 | 14 | 0 |
| 1979 | 11 | 0 |
| 1980 | 16 | 0 |
| 1981 | 11 | 0 |
| 1982 | 11 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 19 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 13 | 8 |
| 2003 | 13 | 17 |
| 2004 | 5 | 20 |
| 2005 | 9 | 14 |
| 2006 | 8 | 14 |
| 2007 | 10 | 12 |
| 2008 | 7 | 15 |
| 2009 | 9 | 25 |
| 2010 | 11 | 32 |
| 2011 | 15 | 21 |
| 2012 | 18 | 28 |
| 2013 | 26 | 44 |
| 2014 | 37 | 49 |
| 2015 | 39 | 48 |
| 2016 | 48 | 42 |
| 2017 | 32 | 44 |
| 2018 | 33 | 39 |
| 2019 | 31 | 31 |
| 2020 | 32 | 39 |
| 2021 | 29 | 28 |
| 2022 | 22 | 21 |
| 2023 | 20 | 13 |
| 2024 | 8 | 16 |
| 2025 | 9 | 27 |
| 2026 | 9 | 25 |
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
- Process for the production and separation of 5-hydroxymethylfurfural with quaternary ammonium salts7 Jul 2026US 12,673,928 B2Novamont S. p. A.
- Furanic quaternary ammonium salts30 Jun 2026US 12,668,578 B2Oregon State University
- Process for synthesizing 5-hydroxymethylfurfural28 Apr 2026US 12,612,376 B2Ifp Energies Nouvelles
- Processes and cataylsts for the selective hydrogenation of compounds having carbonyl carbon atoms24 Mar 2026US 12,583,831 B2Archer Daniels Midland Company
- Bifunctional acidic catalysts and preperation methods of furfural via catalyzing hemicellulose or xylose8 Oct 2026US 2026/0307066 A1Nanjing University
- Process for the production and separation of 5- hydroxymethylfurfural with quaternary ammonium salts1 Oct 2026US 2026/0297047 A1Novamont S. p. A.
- 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
Most cited
By later US patents
- Insecticides158US 4,024,163 ANational Research Development Corporation · 1977
- Recovery of lignin112US 4,764,596 ARepap Technologies Inc. · 1988
- Inhibitors of histone deacetylase91US 6,541,661 B1MethylGene Inc. · 2003
- Process for producing adipic acid from biomass90US 4,400,468 AHydrocarbon Research, Inc. · 1983
- Catalytic process for producing furan derivatives in a biphasic reactor81US 7,572,925 B2Wisconsin Alumni Research Foundation · 2009