C07D 307/40
Radicals substituted by oxygen atoms
C07D307/40 (Radicals substituted by oxygen atoms) appears on 1,358 US grants and 1,061 published applications in this corpus.
Search patents in C07D- Granted patents
- 1,358
- Published applications
- 1,061
- Assignees
- 728
- Inventors
- 3,608
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 30 | 0 |
| 1978 | 49 | 0 |
| 1979 | 23 | 0 |
| 1980 | 43 | 0 |
| 1981 | 35 | 0 |
| 1982 | 31 | 0 |
| 1983 | 16 | 0 |
| 1984 | 19 | 0 |
| 1985 | 16 | 0 |
| 1986 | 14 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 11 | 0 |
| 1990 | 29 | 0 |
| 1991 | 19 | 0 |
| 1992 | 19 | 0 |
| 1993 | 21 | 0 |
| 1994 | 14 | 0 |
| 1995 | 12 | 0 |
| 1996 | 25 | 0 |
| 1997 | 27 | 0 |
| 1998 | 13 | 0 |
| 1999 | 21 | 0 |
| 2000 | 20 | 0 |
| 2001 | 14 | 2 |
| 2002 | 26 | 19 |
| 2003 | 30 | 41 |
| 2004 | 17 | 42 |
| 2005 | 21 | 29 |
| 2006 | 24 | 31 |
| 2007 | 21 | 28 |
| 2008 | 9 | 28 |
| 2009 | 21 | 38 |
| 2010 | 23 | 57 |
| 2011 | 22 | 36 |
| 2012 | 33 | 42 |
| 2013 | 41 | 63 |
| 2014 | 54 | 69 |
| 2015 | 56 | 61 |
| 2016 | 67 | 68 |
| 2017 | 49 | 71 |
| 2018 | 41 | 47 |
| 2019 | 44 | 43 |
| 2020 | 39 | 53 |
| 2021 | 40 | 37 |
| 2022 | 28 | 35 |
| 2023 | 30 | 28 |
| 2024 | 16 | 26 |
| 2025 | 22 | 39 |
| 2026 | 10 | 28 |
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
- Retroviral protease inhibiting compounds159US 5,142,056 AAbbott Laboratories · 1992
- Insecticides158US 4,024,163 ANational Research Development Corporation · 1977
- Heterocyclic containing biphenyl aP2 inhibitors and method135US 6,548,529 B1Bristol-Myers Squibb Company · 2003
- Recovery of lignin112US 4,764,596 ARepap Technologies Inc. · 1988
- Retroviral protease inhibiting compounds109US 5,354,866 AAbbott Laboratories · 1994