C07C 229/42
With carboxyl groups linked to the six-membered aromatic ring, or to the
Official title: with carboxyl groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by saturated carbon chains
C07C229/42 (With carboxyl groups linked to the six-membered aromatic ring, or to the) appears on 252 US grants and 224 published applications in this corpus.
Search patents in C07C- Granted patents
- 252
- Published applications
- 224
- Assignees
- 146
- Inventors
- 652
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 13 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 3 |
| 2002 | 13 | 13 |
| 2003 | 7 | 11 |
| 2004 | 3 | 10 |
| 2005 | 7 | 14 |
| 2006 | 6 | 6 |
| 2007 | 9 | 11 |
| 2008 | 5 | 10 |
| 2009 | 3 | 14 |
| 2010 | 6 | 8 |
| 2011 | 6 | 9 |
| 2012 | 12 | 8 |
| 2013 | 10 | 14 |
| 2014 | 9 | 15 |
| 2015 | 13 | 12 |
| 2016 | 10 | 13 |
| 2017 | 8 | 9 |
| 2018 | 9 | 14 |
| 2019 | 11 | 5 |
| 2020 | 5 | 7 |
| 2021 | 3 | 5 |
| 2022 | 7 | 4 |
| 2023 | 1 | 3 |
| 2024 | 3 | 3 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process of making 3-(4′-aminophenyl)-2-methoxypropionic acid, and analogs and intermediates thereof30 Dec 2025US 12,509,416 B2Nogra Pharma Limited
- Amine synergists with UV—a absorption1 Apr 2025US 12,264,120 B2Sun Chemical Corporation
- Compositions and methods of using itaconic acid derivatives13 Aug 2024US 12,060,310 B2Ergon Pharmaceuticals LLC
- Phenoxyacetic acid derivatives, preparation method thereof and use thereof as medicament20 Feb 2024US 11,905,230 B2China Pharmaceutical University
- Process of making 3-(4′-aminophenyl)-2-methoxypropionic acid, and analogs and intermediates thereof20 Feb 2024US 11,905,232 B2Nogra Pharma Limited
- Hydroxyphenyl propanoate compounds for tumour immunotherapy, compositions and uses thereof17 Sep 2026US 2026/0272865 A1
- Organic compound, solar cell, and application thereof27 Aug 2026US 2026/0255872 A1Contemporary Amperex Future Energy Research Institute (Shanghai) Limited
- An improved process for purification of robenacoxib3 Jul 2025US 2025/0214927 A1Alivira Animal Health Limited
- Process of making 3-(4'-aminophenyl)-2-methoxypropionic acid, and analogs and intermediates thereof12 Dec 2024US 2024/0409498 A1Nogra Pharma Limited
- Methods of preparing chiral amino acids21 Nov 2024US 2024/0383842 A1Laboratory for Synthetic Chemistry and Chemical Biology Limited
Most cited
By later US patents
- Diketopiperazine-based delivery systems228US 5,976,569 AEmisphere Technologies, Inc. · 1999
- Oral drug delivery compositions and methods186US 5,792,451 AEmisphere Technologies, Inc. · 1998
- Compounds and compositions for delivering active agents184US 5,643,957 AEmisphere Technologies, Inc. · 1997
- Carbon-substituted diketopiperazine delivery systems183US 6,331,318 B1Emisphere Technologies, Inc. · 2001
- Modified amino acids for drug delivery174US 5,629,020 AEmisphere Technologies, Inc. · 1997