C07D 307/20
Oxygen atoms
C07D307/20 (Oxygen atoms) appears on 547 US grants and 453 published applications in this corpus.
Search patents in C07D- Granted patents
- 547
- Published applications
- 453
- Assignees
- 331
- Inventors
- 1,704
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 10 | 0 |
| 1978 | 8 | 0 |
| 1979 | 8 | 0 |
| 1980 | 5 | 0 |
| 1981 | 12 | 0 |
| 1982 | 6 | 0 |
| 1983 | 7 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 11 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 14 | 0 |
| 1999 | 17 | 0 |
| 2000 | 10 | 0 |
| 2001 | 13 | 3 |
| 2002 | 20 | 12 |
| 2003 | 19 | 22 |
| 2004 | 10 | 27 |
| 2005 | 12 | 17 |
| 2006 | 11 | 12 |
| 2007 | 8 | 18 |
| 2008 | 14 | 12 |
| 2009 | 15 | 16 |
| 2010 | 11 | 22 |
| 2011 | 11 | 14 |
| 2012 | 11 | 12 |
| 2013 | 12 | 20 |
| 2014 | 13 | 33 |
| 2015 | 27 | 25 |
| 2016 | 17 | 23 |
| 2017 | 19 | 24 |
| 2018 | 14 | 25 |
| 2019 | 21 | 13 |
| 2020 | 18 | 20 |
| 2021 | 16 | 12 |
| 2022 | 12 | 12 |
| 2023 | 7 | 15 |
| 2024 | 6 | 15 |
| 2025 | 9 | 22 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compositions comprising n-nonanoic acid esters of xylitan and/or sorbitan15 Sep 2026US 12,735,379 B2Evonik Operations GmbH
- Ionizable lipids for nucleic acid delivery26 May 2026US 12,636,368 B2Global Life Sciences Solutions Canada ULC
- Method for the treatment of keratin materials using acid, ester or amide C-glycoside derivatives, and cosmetic composition containing same21 Apr 2026US 12,606,534 B2L'oreal
- Oxygenated hydrocarbon production system with acidic impurity removal resin column16 Dec 2025US 12,497,372 B2SipChem Sahara International Petrochemical Company JSC
- 1′-alkyl modified ribose derivatives and methods of use11 Nov 2025US 12,465,647 B2Sanegene Bio USA Inc.
- Ionizable lipids for nucleic acid delivery17 Sep 2026US 2026/0273066 A1Global Life Sciences Solutions Canada ULC
- 3ah-cyclopenta[b]benzofuran-3a-yl as ras inhibitors30 Jul 2026US 2026/0216121 A1SJP Biotec GmbH
- Process for the synthesis of substituted tetrahydrofuran modulators of sodium channels16 Jul 2026US 2026/0200900 A1Vertex Pharmaceuticals Incorporated
- Chiral isomeric sulfite compound and application thereof2 Jul 2026US 2026/0184675 A1Chengdu Hanova BioSciences Co., Ltd
- Novel equilibrative nucleoside transporter inhibitors and methods of making and using same12 Mar 2026US 2026/0069604 A1
Most cited
By later US patents
- Poly(carbonates)176US 4,079,038 AAlza Corporation · 1978
- Sulfonamide inhibitors of aspartyl protease147US 5,585,397 AVertex Pharmaceuticals Incorporated · 1996
- Nanotechnology for engineering the performance of substances140US 6,531,704 B2NanoProducts Corporation · 2003
- Polyhydroxylated and highly fluorinated compounds, their preparation and their use as surfactants90US 4,985,550 AAlliance Pharmaceutical Corp. · 1991
- Retroviral protease inhibiting compounds86US 5,914,332 AAbbott Laboratories · 1999