C07C 229/24
Having more than one carboxyl group bound to the carbon skeleton
Official title: having more than one carboxyl group bound to the carbon skeleton, e.g. aspartic acid
C07C229/24 (Having more than one carboxyl group bound to the carbon skeleton) appears on 350 US grants and 400 published applications in this corpus.
Search patents in C07C- Granted patents
- 350
- Published applications
- 400
- Assignees
- 238
- Inventors
- 929
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 13 | 0 |
| 1998 | 11 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 1 |
| 2002 | 11 | 7 |
| 2003 | 9 | 6 |
| 2004 | 6 | 10 |
| 2005 | 4 | 11 |
| 2006 | 7 | 5 |
| 2007 | 6 | 11 |
| 2008 | 7 | 8 |
| 2009 | 2 | 10 |
| 2010 | 6 | 15 |
| 2011 | 9 | 15 |
| 2012 | 6 | 14 |
| 2013 | 13 | 16 |
| 2014 | 10 | 22 |
| 2015 | 21 | 22 |
| 2016 | 23 | 10 |
| 2017 | 15 | 19 |
| 2018 | 5 | 11 |
| 2019 | 15 | 20 |
| 2020 | 19 | 20 |
| 2021 | 11 | 14 |
| 2022 | 13 | 11 |
| 2023 | 8 | 19 |
| 2024 | 9 | 17 |
| 2025 | 14 | 17 |
| 2026 | 16 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Crystalline 4-((L-valyl)oxy)butanoic acid29 Sep 2026US 12,747,199 B2Xwpharma Ltd.
- Amino acid compositions22 Sep 2026US 12,741,941 B2ThermoLife International, LLC
- Carbonyl lipids and lipid nanoparticle formulations for delivery of nucleic acids25 Aug 2026US 12,714,670 B2Acuitas Therapeutics, Inc.
- Method of forming a chelating composition28 Jul 2026US 12,692,222 B2Nouryon Chemicals International B. V.
- Amino acid- , peptide- and polypeptide-lipids, isomers, compositions, and uses thereof9 Jun 2026US 12,648,959 B2Massachusetts Institute of Technology
- Amino acid backbone ionizable lipid, preparation method thereof and application method therefor1 Oct 2026US 2026/0294811 A1South China University of Technology
- Novel ionizable lipid and lipid nanoparticle composition using same17 Sep 2026US 2026/0272837 A1MediciBIO Co., Ltd
- Amino acid-based cationic lipid3 Sep 2026US 2026/0257986 A1Xiamen Sinopeg Biotech Co., Ltd.
- Compounds and compositions for intracellular delivery of nucleic acid-based therapeutics and methods thereof30 Jul 2026US 2026/0216070 A1NanoTech Pharma Inc.
- Crystal forms of amino lipids30 Jul 2026US 2026/0217644 A1ModernaTX, Inc.
Most cited
By later US patents
- Photodecomposable bases and photoresist compositions470US 8,614,047 B2International Business Machines Corporation · 2013
- Components for producing amphoteric liposomes91US 8,580,297 B2Marina Biotech, Inc. · 2013
- Compounds and compositions for intracellular delivery of therapeutic agents88US 10,857,105 B2MordernaTX, Inc. · 2020
- GABA and L-glutamic acid analogs for antiseizure treatment88US 5,563,175 ANorthwestern University · 1996
- Gamma-hydroxybutyrate compositions containing carbohydrate, lipid or amino acid carriers71US 8,778,301 B2Orphan Medical, Inc. · 2014