C07D 307/32
Oxygen atoms
C07D307/32 (Oxygen atoms) appears on 1,126 US grants and 805 published applications in this corpus.
Search patents in C07D- Granted patents
- 1,126
- Published applications
- 805
- Assignees
- 525
- Inventors
- 2,811
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 19 | 0 |
| 1977 | 25 | 0 |
| 1978 | 53 | 0 |
| 1979 | 24 | 0 |
| 1980 | 36 | 0 |
| 1981 | 46 | 0 |
| 1982 | 26 | 0 |
| 1983 | 22 | 0 |
| 1984 | 17 | 0 |
| 1985 | 22 | 0 |
| 1986 | 13 | 0 |
| 1987 | 16 | 0 |
| 1988 | 12 | 0 |
| 1989 | 19 | 0 |
| 1990 | 18 | 0 |
| 1991 | 9 | 0 |
| 1992 | 21 | 0 |
| 1993 | 20 | 0 |
| 1994 | 21 | 0 |
| 1995 | 17 | 0 |
| 1996 | 8 | 0 |
| 1997 | 16 | 0 |
| 1998 | 14 | 0 |
| 1999 | 19 | 0 |
| 2000 | 27 | 0 |
| 2001 | 30 | 2 |
| 2002 | 28 | 40 |
| 2003 | 24 | 34 |
| 2004 | 26 | 52 |
| 2005 | 25 | 37 |
| 2006 | 21 | 40 |
| 2007 | 21 | 29 |
| 2008 | 20 | 30 |
| 2009 | 19 | 27 |
| 2010 | 18 | 37 |
| 2011 | 21 | 27 |
| 2012 | 26 | 42 |
| 2013 | 29 | 36 |
| 2014 | 22 | 35 |
| 2015 | 38 | 42 |
| 2016 | 28 | 37 |
| 2017 | 26 | 32 |
| 2018 | 25 | 37 |
| 2019 | 30 | 31 |
| 2020 | 24 | 24 |
| 2021 | 15 | 22 |
| 2022 | 18 | 23 |
| 2023 | 10 | 24 |
| 2024 | 13 | 22 |
| 2025 | 16 | 27 |
| 2026 | 13 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process for preparing alkyl-4-oxotetrahydrofuran-2-carboxylate11 Aug 2026US 12,703,690 B2Bayer Aktiengesellschaft
- Lignan derivative, preparation method therefor and use thereof28 Jul 2026US 12,692,283 B2Shanghai Institute of Materia Medica Chinese Academy of Science
- Alkyne compound, vitamin D compound, analytical method, and production method19 May 2026US 12,630,505 B2JEOL Ltd.
- Specification of functional cranial placode derivatives from human pluripotent stem cells5 May 2026US 12,618,044 B2Memorial Sloan Kettering Cancer Center
- Actinic ray-sensitive or radiation-sensitive resin composition, resist film, pattern forming method, and method for manufacturing electronic device28 Apr 2026US 12,613,466 B2FUJIFILM Corporation
- Novel carboxamide derivatives8 Oct 2026US 2026/0308149 A1Angelini Pharma S.P.A.
- Globodera pallida control agent20 Aug 2026US 2026/0240154 A1National Agriculture and Food Research Organization
- Process for continuous hydrogenation of aqueous levulinic acid to gamma-valerolactone and its tandem conversion to high octane gasoline range hydrocarbons6 Aug 2026US 2026/0225081 A1Eco-Oil Miljobranslen I Sverige AB
- Sulfonium salt, chemically amplified resist composition, and pattern forming process30 Jul 2026US 2026/0219569 A1Shin-Etsu Chemical Co., Ltd.
- Sugarcane derived semi-synthetic cosmetic ingredients, methods of production thereof, and personal care products derived therefrom23 Jul 2026US 2026/0207459 A1Amyris, Inc.
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Difluoro antivirals and intermediate therefor135US 4,808,614 AEli Lilly and Company · 1989
- Difluoro antivirals and intermediate therefor120US 4,526,988 AEli Lilly and Company · 1985
- Ligands for metals and improved metal-catalyzed processes based thereon100US 6,395,916 B1Massachusetts Institute of Technology · 2002
- Ligands for metals and improved metal-catalyzed processes based thereon93US 7,223,879 B2Massachusetts Institute of Technology · 2007