C07D 311/00
Heterocyclic compounds containing six-membered rings having one oxygen atom as the only
Official title: Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
C07D311/00 (Heterocyclic compounds containing six-membered rings having one oxygen atom as the only) appears on 6,418 US grants and 5,191 published applications in this corpus.
Search patents in C07D- Granted patents
- 6,418
- Published applications
- 5,191
- Assignees
- 2,606
- Inventors
- 15,322
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 104 | 0 |
| 1977 | 90 | 0 |
| 1978 | 138 | 0 |
| 1979 | 120 | 0 |
| 1980 | 152 | 0 |
| 1981 | 102 | 0 |
| 1982 | 80 | 0 |
| 1983 | 46 | 0 |
| 1984 | 58 | 0 |
| 1985 | 63 | 0 |
| 1986 | 67 | 0 |
| 1987 | 94 | 0 |
| 1988 | 66 | 0 |
| 1989 | 94 | 0 |
| 1990 | 92 | 0 |
| 1991 | 92 | 0 |
| 1992 | 99 | 0 |
| 1993 | 125 | 0 |
| 1994 | 103 | 0 |
| 1995 | 114 | 0 |
| 1996 | 125 | 0 |
| 1997 | 183 | 0 |
| 1998 | 153 | 0 |
| 1999 | 177 | 0 |
| 2000 | 148 | 0 |
| 2001 | 141 | 35 |
| 2002 | 166 | 160 |
| 2003 | 157 | 221 |
| 2004 | 127 | 239 |
| 2005 | 101 | 217 |
| 2006 | 120 | 218 |
| 2007 | 103 | 195 |
| 2008 | 126 | 204 |
| 2009 | 126 | 193 |
| 2010 | 142 | 244 |
| 2011 | 126 | 185 |
| 2012 | 152 | 175 |
| 2013 | 162 | 182 |
| 2014 | 163 | 214 |
| 2015 | 183 | 255 |
| 2016 | 155 | 228 |
| 2017 | 202 | 194 |
| 2018 | 155 | 221 |
| 2019 | 194 | 204 |
| 2020 | 188 | 226 |
| 2021 | 161 | 242 |
| 2022 | 140 | 229 |
| 2023 | 135 | 212 |
| 2024 | 119 | 221 |
| 2025 | 108 | 156 |
| 2026 | 81 | 121 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coumarin-based thermosets and thermoplastics22 Sep 2026US 12,741,950 B1The United States of America as represented by the Secretary of the Navy
- Compound for organic electric element, organic electric element using same, and electronic device thereof15 Sep 2026US 12,735,407 B2Duk San Neolux Co., Ltd.
- Direct aromatic carbon-oxygen and carbon-hydrogen bond functionalization via organic photoredox catalyst8 Sep 2026US 12,729,169 B2The University of North Carolina at Chapel Hill
- Ring closure of benzoquinones containing an unsaturated side chain using a basic catalyst8 Sep 2026US 12,729,188 B2Dsm IP Assets B.V.
- Compound, coating composition comprising same, organic light-emitting device using same, and manufacturing method therefor8 Sep 2026US 12,729,312 B2LG Chem.Ltd.
- Process for producing a cannabis product8 Oct 2026US 2026/0308095 A1
- Methods and Systems for Sensitive and Multiplexed Analysis of Short RNA Sequences8 Oct 2026US 2026/0308668 A1Arizona Board of Regents on behalf of Arizona State University
- Crystalline form of epigallocatechin-3-gallate1 Oct 2026US 2026/0297048 A1PharmassětX Inc.
- Crystalline form of epigallocatechin-3-gallate1 Oct 2026US 2026/0297049 A1PharmassětX Inc.
- Crystalline form of epigallocatechin-3-gallate1 Oct 2026US 2026/0297050 A1PharmassětX Inc.
Most cited
By later US patents
- 4,7-dichlorofluorescein dyes as molecular probes318US 5,188,934 AApplied Biosystems, LLC · 1993
- Coumarin derivative having antitumor activity260US 7,897,792 B2Chugai Seiyaku Kabushiki Kaisha · 2011
- Photochromic indeno-fused naphthopyrans245US 5,645,767 ATransitions Optical, Inc. · 1997
- Recombinant production of novel polyketides221US 5,672,491 ALeland Stanford Junior University · 1997
- Disubstituted acetylenes bearing heteroaromatic and heterobicyclic groups having retinoid like activity220US 5,089,509 AAllergan, Inc. · 1992