C07C 235/12
Having the nitrogen atom of at least one of the carboxamide groups
Official title: having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by carboxyl groups
C07C235/12 (Having the nitrogen atom of at least one of the carboxamide groups) appears on 188 US grants and 148 published applications in this corpus.
Search patents in C07C- Granted patents
- 188
- Published applications
- 148
- Assignees
- 91
- Inventors
- 395
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 11 | 0 |
| 1997 | 19 | 0 |
| 1998 | 12 | 0 |
| 1999 | 12 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 2 |
| 2003 | 6 | 5 |
| 2004 | 0 | 8 |
| 2005 | 1 | 1 |
| 2006 | 5 | 4 |
| 2007 | 2 | 2 |
| 2008 | 2 | 4 |
| 2009 | 3 | 3 |
| 2010 | 4 | 5 |
| 2011 | 3 | 5 |
| 2012 | 3 | 5 |
| 2013 | 7 | 11 |
| 2014 | 10 | 7 |
| 2015 | 7 | 15 |
| 2016 | 6 | 5 |
| 2017 | 13 | 13 |
| 2018 | 7 | 6 |
| 2019 | 2 | 1 |
| 2020 | 4 | 10 |
| 2021 | 4 | 5 |
| 2022 | 2 | 4 |
| 2023 | 2 | 6 |
| 2024 | 4 | 5 |
| 2025 | 5 | 8 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Branched-chain amino acid derivatives to treat disease25 Aug 2026US 12,715,839 B2Intrabio Ltd.
- Nitrogen-branched non-linear pegylated lipid containing a tertiary amine and application thereof18 Aug 2026US 12,708,675 B2Xiamen Sinopeg Biotech Co., Ltd.
- Pegylated menaquinol compositions and methods of treatment6 Jan 2026US 12,514,871 B2Epizon Pharma, Inc.
- Ionizable cationic lipid for RNA delivery2 Dec 2025US RE50,681 E1Arcturus Therapeutics, Inc.
- Prostaglandin EP4 receptor antagonist compounds19 Aug 2025US 12,391,641 B2Nxera Pharma UK Limitied
- Methods for preparing beta-alanine, beta-alanine salt and pantothenate9 Jul 2026US 2026/0193169 A1Guang An Mojia Biotechnology Co., Ltd.
- Linear amino acid surfactants having surface-active properties25 Jun 2026US 2026/0176236 A1
- Amino Acid-Containing Ionizable Lipids for the Delivery of Therapeutic Agents30 Apr 2026US 2026/0115139 A1NanoVation Therapeutics Inc.
- Pegylated menaquinol compositions and methods of treatment26 Mar 2026US 2026/0083773 A1Epizon Pharma, Inc.
- Prostaglandin ep4 receptor antagonist compounds15 Jan 2026US 2026/0015314 A1
Most cited
By later US patents
- Retroviral protease inhibiting compounds159US 5,142,056 AAbbott Laboratories · 1992
- Compounds and compositions for delivering active agents116US 5,773,647 AEmisphere Technologies, Inc. · 1998
- Retroviral protease inhibiting compounds109US 5,354,866 AAbbott Laboratories · 1994
- Retroviral protease inhibiting compounds94US 5,541,206 AAbbott Laboratories · 1996
- Compounds and compositions for delivering active agents71US 5,879,681 AEmisphere Technolgies Inc. · 1999