C07C 271/22
To carbon atoms of hydrocarbon radicals substituted by carboxyl groups
Official title: to carbon atoms of hydrocarbon radicals substituted by carboxyl groups
C07C271/22 (To carbon atoms of hydrocarbon radicals substituted by carboxyl groups) appears on 1,380 US grants and 1,080 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,380
- Published applications
- 1,080
- Assignees
- 681
- Inventors
- 3,765
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 8 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 11 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 10 | 0 |
| 1990 | 15 | 0 |
| 1991 | 22 | 0 |
| 1992 | 30 | 0 |
| 1993 | 23 | 0 |
| 1994 | 25 | 0 |
| 1995 | 34 | 0 |
| 1996 | 50 | 0 |
| 1997 | 79 | 0 |
| 1998 | 73 | 0 |
| 1999 | 76 | 0 |
| 2000 | 40 | 0 |
| 2001 | 42 | 8 |
| 2002 | 45 | 57 |
| 2003 | 50 | 68 |
| 2004 | 33 | 69 |
| 2005 | 27 | 43 |
| 2006 | 44 | 44 |
| 2007 | 27 | 39 |
| 2008 | 32 | 44 |
| 2009 | 28 | 56 |
| 2010 | 36 | 58 |
| 2011 | 36 | 52 |
| 2012 | 37 | 40 |
| 2013 | 40 | 49 |
| 2014 | 45 | 37 |
| 2015 | 37 | 47 |
| 2016 | 41 | 41 |
| 2017 | 41 | 49 |
| 2018 | 31 | 49 |
| 2019 | 35 | 33 |
| 2020 | 31 | 37 |
| 2021 | 20 | 24 |
| 2022 | 17 | 29 |
| 2023 | 16 | 29 |
| 2024 | 18 | 30 |
| 2025 | 15 | 35 |
| 2026 | 10 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for preparing a GIP/GLP1 dual agonist25 Aug 2026US 12,715,901 B2Eli Lilly and Company
- Cationic lipid, liposome containing cationic lipid, and nucleic-acid pharmaceutical composition containing liposome and formulation and application thereof9 Jun 2026US 12,648,908 B2Xiamen Sinopeg Biotech Co., Ltd.
- Amino acid- , peptide- and polypeptide-lipids, isomers, compositions, and uses thereof9 Jun 2026US 12,648,959 B2Massachusetts Institute of Technology
- Prodrugs of itaconate and methyl itaconate2 Jun 2026US 12,643,846 B2Institute of Organic Chemistry and Biochemistry of the AS CR, V.V.I.
- Ionizable cationic lipid for RNA delivery26 May 2026US 12,637,422 B2Arcturus Therapeutics, Inc.
- Method for producing o-substituted serine derivative27 Aug 2026US 2026/0250241 A1Chugai Seiyaku Kabushiki Kaisha
- Prodrugs of itaconate and methyl itaconate23 Jul 2026US 2026/0209164 A1Institute of Organic Chemistry and Biochemistry of the AS CR, V.V.I.
- Methods of synthesizing 4-valyloxybutyric acid23 Jul 2026US 2026/0209170 A1Xwpharma Ltd.
- Protease inhibitors for treating or preventing coronavirus infection23 Jul 2026US 2026/0209180 A1Merck Sharp & Dohme Corp.
- Cationic lipids and preparation method thereof16 Jul 2026US 2026/0200849 A1RiboX Therapeutics HK Limited
Most cited
By later US patents
- Lipopolyamines, their preparation and their use287US 5,171,678 ACentre National De La Recherche Scientifique · 1992
- Bioconjugation of macromolecules259US 6,737,236 B1Proligo LLC · 2004
- Immunological materials242US 4,046,722 AG. D. Searle & Co. · 1977
- Methods for identifying RNA binding compounds220US 6,503,713 B1University of Medicine and Dentistry of New Jersey · 2003
- Retroviral protease inhibiting compounds159US 5,142,056 AAbbott Laboratories · 1992