C07C 321/20
Of an unsaturated carbon skeleton containing rings
Official title: of an unsaturated carbon skeleton containing rings
C07C321/20 (Of an unsaturated carbon skeleton containing rings) appears on 54 US grants and 49 published applications in this corpus.
Search patents in C07C- Granted patents
- 54
- Published applications
- 49
- Assignees
- 50
- Inventors
- 131
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 3 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 1 | 2 |
| 2011 | 0 | 0 |
| 2012 | 3 | 2 |
| 2013 | 2 | 1 |
| 2014 | 3 | 3 |
| 2015 | 1 | 4 |
| 2016 | 3 | 1 |
| 2017 | 1 | 2 |
| 2018 | 2 | 6 |
| 2019 | 3 | 2 |
| 2020 | 4 | 3 |
| 2021 | 1 | 5 |
| 2022 | 5 | 1 |
| 2023 | 2 | 5 |
| 2024 | 3 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition for tin-silver alloy electroplating comprising a complexing agent24 Feb 2026US 12,559,852 B2BASF SE
- Krüppel-like factor 15 (KLF15) small molecule agonists in kidney disease8 Apr 2025US 12,269,803 B2Icahn School of Medicine at Mount Sinai
- Cytotoxic actin-targeting compounds4 Mar 2025US 12,239,639 B2Queen's University at Kingston
- Inhibitors of the n-terminal domain of the androgen receptor10 Dec 2024US 12,162,818 B2The Regents of the University of California
- Polycyclic aromatic hydrocarbon-based compounds for molecular electronic device and molecular electronic devices comprising same1 Oct 2024US 12,103,909 B2Korea University Research and Business Foundation
- Compound, additive, plasticizer, curable composition, adhesive, cured product, and pressure-sensitive adhesive11 Dec 2025US 2025/0376606 A1Mitsui Chemicals, Inc.
- Krüppel-Like Factor 15 (KLF15) Small Molecule Agonists in Kidney Disease7 Aug 2025US 2025/0250236 A1Icahn School of Medicine at Mount Sinai
- Naphthalenedithiol and derivative thereof, and production process and use for the same21 Nov 2024US 2024/0383845 A1Sugai Chemical Industry Co., Ltd.
- Composition for tin-silver alloy electroplating comprising a complexing agent22 Feb 2024US 2024/0060201 A1BASF SE
- Ectoparasiticide veterinary composition24 Aug 2023US 2023/0263853 A1Hayne Lane Ltd
Most cited
By later US patents
- Synthesis and use of amino acid fluorides as peptide coupling reagents52US 5,750,767 AResearch Corporation Technologies, Inc. · 1998
- Curcumin analogs with anti-tumor and anti-angiogenic properties26US 6,664,272 B2Emory University · 2003
- Z-styryl sulfone anticancer agents12US 6,201,154 B1Temple University-of the Commonwealth of Higher Education · 2001
- Synthesis and use of amino acid fluorides as peptide coupling reagents11US 5,360,928 AResearch Corporation Technologies, Inc. · 1994
- Z-styryl sulfone anticancer agents10US 6,576,675 B1Temple University of the Commonwealth System of Higher Education · 2003