C07D 307/36
With only hydrogen atoms or radicals containing only hydrogen and carbon atoms
Official title: with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
C07D307/36 (With only hydrogen atoms or radicals containing only hydrogen and carbon atoms) appears on 177 US grants and 153 published applications in this corpus.
Search patents in C07D- Granted patents
- 177
- Published applications
- 153
- Assignees
- 126
- Inventors
- 538
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 9 | 0 |
| 1982 | 8 | 0 |
| 1983 | 5 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 3 |
| 2004 | 0 | 1 |
| 2005 | 2 | 3 |
| 2006 | 4 | 3 |
| 2007 | 0 | 2 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 0 | 4 |
| 2011 | 3 | 7 |
| 2012 | 6 | 5 |
| 2013 | 4 | 8 |
| 2014 | 8 | 10 |
| 2015 | 7 | 9 |
| 2016 | 6 | 17 |
| 2017 | 11 | 11 |
| 2018 | 14 | 11 |
| 2019 | 6 | 10 |
| 2020 | 7 | 6 |
| 2021 | 9 | 11 |
| 2022 | 8 | 5 |
| 2023 | 6 | 7 |
| 2024 | 3 | 6 |
| 2025 | 6 | 5 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Chemical compounds and uses thereof23 Jun 2026US 12,662,451 B2Glaxosmithkline Intellectual Property (No. 4) Ltd.
- 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
- Composite catalyst with Molybdenum Mxene for electrochemical hydrogenation of 2-methylfuran3 Mar 2026US 12,565,708 B2Khalifa University of Science and Technology
- Carbon-based solid acid catalyst, preparation method of catalyst, and application to hydrothermal conversion of biomass17 Feb 2026US 12,551,873 B2Zhejiang University
- Salt, acid generator, resist composition and method for producing resist pattern2 Dec 2025US 12,487,525 B2Sumitomo Chemical Company, Limited
- Sustainable 2-Alkyltetrahydrofuran Fuels for Compression Ignition Engines21 May 2026US 2026/0139195 A1The United States of America as represented by the Secretary of the Navy
- 2,5-Furandicarboxylic Acid Particles and Preparation Method and Application thereof30 Apr 2026US 2026/0116864 A1Hefei Leaf Biotech Co., Ltd.
- Composite catalyst with molybdenum mxene for electrochemical hydrogenation of 2-methylfuran19 Mar 2026US 2026/0078506 A1Khalifa University of Science and Technology
- Composite catalyst with molybdenum mxene for electrochemical hydrogenation of 2-methylfuran5 Feb 2026US 2026/0035813 A1Khalifa University of Science and Technology
- Chemical compounds and uses thereof15 Jan 2026US 2026/0015321 A1Glaxosmithkline Intellectual Property (No. 4) Ltd.
Most cited
By later US patents
- Catalytic process for producing furan derivatives in a biphasic reactor81US 7,572,925 B2Wisconsin Alumni Research Foundation · 2009
- Alkoxyiminoacetamide derivatives and their use as fungicides54US 5,185,342 AShionogi Seiyaku Kabushiki Kaisha · 1993
- Production of liquid alkanes in the jet fuel range (C8-C15) from biomass-derived carbohydrates35US 7,880,049 B2Wisconsin Alumni Research Foundation · 2011
- Preparation of furan by decarbonylation of furfural33US 4,780,552 ABASF SE · 1988
- Method for extracting compounds of furan lipids and polyhydroxylated fatty alcohols of avocado, composition based on said compounds, and therapeutic, cosmetical or food use of said compounds25US 6,582,688 B1Pharmascience Inc. · 2003