C07C 2601/18
Systems containing only non-condensed rings: with a ring being at least seven-membered
Official title: with a ring being at least seven-membered
C07C2601/18 (Systems containing only non-condensed rings: with a ring being at least seven-membered) appears on 995 US grants and 826 published applications in this corpus.
Search patents in C07C- Granted patents
- 995
- Published applications
- 826
- Assignees
- 523
- Inventors
- 2,822
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 16 | 0 |
| 1978 | 26 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 10 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 14 | 0 |
| 1992 | 21 | 0 |
| 1993 | 24 | 0 |
| 1994 | 26 | 0 |
| 1995 | 20 | 0 |
| 1996 | 23 | 0 |
| 1997 | 13 | 0 |
| 1998 | 27 | 0 |
| 1999 | 24 | 0 |
| 2000 | 16 | 0 |
| 2001 | 35 | 5 |
| 2002 | 41 | 38 |
| 2003 | 32 | 41 |
| 2004 | 20 | 49 |
| 2005 | 31 | 32 |
| 2006 | 19 | 24 |
| 2007 | 17 | 29 |
| 2008 | 15 | 22 |
| 2009 | 19 | 45 |
| 2010 | 32 | 30 |
| 2011 | 26 | 31 |
| 2012 | 23 | 28 |
| 2013 | 20 | 42 |
| 2014 | 31 | 38 |
| 2015 | 39 | 58 |
| 2016 | 50 | 45 |
| 2017 | 30 | 30 |
| 2018 | 24 | 34 |
| 2019 | 43 | 36 |
| 2020 | 20 | 23 |
| 2021 | 19 | 20 |
| 2022 | 18 | 32 |
| 2023 | 19 | 24 |
| 2024 | 15 | 39 |
| 2025 | 17 | 18 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anti-inflammatory carboxamide derivatives21 Jul 2026US 12,686,657 B2Biomedcode Hellas SA
- Selective hydrogenation of alkynes to alkenes in the presence of a phosphorus compound and an organic sulphur compound30 Jun 2026US 12,668,559 B2Dsm IP Assets B.V.
- Structurally modified opioids for prevention and treatment of diseases and conditions26 May 2026US 12,637,411 B2Mggm LLC
- Calpain-2 inhibitor compounds and methods of treatment21 Apr 2026US 12,606,520 B2Western University of Health Sciences
- Sulfur and amide tropolone inhibitors of nucleotidyl transferases and uses therefor21 Apr 2026US 12,606,529 B2Research Foundation of the City University of New York
- Method for synthesizing cyclic ketone compound from diol and ketone24 Sep 2026US 2026/0285793 A1Zhejiang Sainon Chemical Co., Ltd
- Catalyst for sp3-carbon-hydrogen-bond primary amination reaction, and method for preparing primary amine compound13 Aug 2026US 2026/0234096 A1West China Second University Hospital, Sichuan University
- Polythiol compositions and their process of preparation13 Aug 2026US 2026/0234103 A1Arkema France
- New method for ozonolysis and reductive quenching of ozonides6 Aug 2026US 2026/0225982 A1
- Novel iron-based compounds, processes for the preparation thereof, and use thereof as catalysts16 Jul 2026US 2026/0200963 A1Centre National De La Recherche Scientifique
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