C07C 229/22
The carbon skeleton being further substituted by oxygen atoms
Official title: the carbon skeleton being further substituted by oxygen atoms
C07C229/22 (The carbon skeleton being further substituted by oxygen atoms) appears on 354 US grants and 349 published applications in this corpus.
Search patents in C07C- Granted patents
- 354
- Published applications
- 349
- Assignees
- 233
- Inventors
- 924
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 1 | 0 |
| 1995 | 7 | 0 |
| 1996 | 8 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 11 | 0 |
| 2000 | 14 | 0 |
| 2001 | 12 | 5 |
| 2002 | 16 | 9 |
| 2003 | 7 | 7 |
| 2004 | 8 | 16 |
| 2005 | 2 | 15 |
| 2006 | 7 | 15 |
| 2007 | 9 | 7 |
| 2008 | 10 | 14 |
| 2009 | 12 | 16 |
| 2010 | 11 | 12 |
| 2011 | 11 | 10 |
| 2012 | 8 | 19 |
| 2013 | 8 | 7 |
| 2014 | 11 | 17 |
| 2015 | 16 | 18 |
| 2016 | 16 | 17 |
| 2017 | 12 | 20 |
| 2018 | 10 | 17 |
| 2019 | 10 | 16 |
| 2020 | 14 | 20 |
| 2021 | 10 | 18 |
| 2022 | 11 | 5 |
| 2023 | 12 | 19 |
| 2024 | 5 | 13 |
| 2025 | 4 | 8 |
| 2026 | 12 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alpha-carbonyl alkenyl ester preparation method therefor and application thereof15 Sep 2026US 12,735,449 B2Jiangxi Normal University
- Amino acid- , peptide- and polypeptide-lipids, isomers, compositions, and uses thereof9 Jun 2026US 12,648,959 B2Massachusetts Institute of Technology
- Methods and immunogenic compositions relating to HER2 with selective sequence modifications28 Apr 2026US 12,611,463 B2Wayne State University
- Crystalline form of L-serine and process of preparing same21 Apr 2026US 12,606,518 B2Astrogen, Inc.
- Lipids and lipid nanoparticle formulations14 Apr 2026US 12,599,560 B2Longuide Biopharma Corporation
- Compound and use thereof in identification of camellia ptilophylla varieties20 Aug 2026US 2026/0242331 A1South China Botanical Garden, Chinese Academy of Sciences
- Lipids and lipid nanoparticle formulations13 Aug 2026US 2026/0232588 A1Longuide Biopharma Corporation
- Bis-ester and amide cationic lipids30 Jul 2026US 2026/0216368 A1Sanofi Pasteur Limited
- Lipids and lipid nanoparticle compositions for delivering polynucleotides2 Jul 2026US 2026/0184668 A1Orna Therapeutics, Inc.
- Photodynamic therapy comprising two light exposures at different wavelengths4 Jun 2026US 2026/0151487 A1Biofrontera Bioscience GmbH
Most cited
By later US patents
- Process for producing 4-trifluoromethylnicotinic acid129US 5,708,175 AIshihara Sangyo Kaisha, Ltd. · 1998
- Compounds having reversible inhibiting activity of carnitine palmitoyl-transferase77US 6,369,073 B1Sigma-Tau Industrie Farmaceutiche Riunite S. P.A., · 2002
- 2-amino-1,3-propanediol compound and immunosuppressant76US 5,604,229 ATaito Co., Ltd. · 1997
- Gamma-hydroxybutyrate compositions containing carbohydrate, lipid or amino acid carriers71US 8,778,301 B2Orphan Medical, Inc. · 2014
- Gamma-hydroxybutyrate compositions containing carbohydrate, lipid or amino acid carriers68US 7,015,200 B2Orphan Medical, Inc. · 2006