C07F 9/6521
Six-membered rings
C07F9/6521 (Six-membered rings) appears on 135 US grants and 98 published applications in this corpus.
Search patents in C07F- Granted patents
- 135
- Published applications
- 98
- Assignees
- 85
- Inventors
- 368
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 1 |
| 2003 | 3 | 2 |
| 2004 | 1 | 5 |
| 2005 | 0 | 3 |
| 2006 | 2 | 3 |
| 2007 | 7 | 6 |
| 2008 | 5 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 4 |
| 2015 | 4 | 11 |
| 2016 | 8 | 9 |
| 2017 | 7 | 7 |
| 2018 | 3 | 6 |
| 2019 | 3 | 4 |
| 2020 | 4 | 7 |
| 2021 | 3 | 5 |
| 2022 | 3 | 9 |
| 2023 | 4 | 1 |
| 2024 | 4 | 3 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Synthesis of phosphazene-covalent organic framework (COF) for enhanced lead capture with visual feedback23 Dec 2025US 12,502,652 B2United Arab Emirates University
- Heterocyclic compound and organic light-emitting device comprising same16 Sep 2025US 12,415,823 B2Lt Materials Co., Ltd.
- Synthesis of phosphazene-covalent organic framework (COF) for enhanced lead capture with visual feedback29 Jul 2025US 12,370,524 B1United Arab Emirates University
- Compound and organic semiconducting layer, organic electronic device, display device and lighting device comprising the same1 Oct 2024US 12,108,664 B2Novaled GmbH
- Reducing agents and uses thereof6 Aug 2024US 12,054,506 B2Singular Genomics Systems, Inc.
- Organic light emitting diode, display device comprising the same and compound6 Aug 2026US 2026/0231672 A1Novaled GmbH
- Synthesis of phosphazene-covalent organic framework (cof) for enhanced lead capture with visual feedback20 Nov 2025US 2025/0352980 A1United Arab Emirates University
- Light emitting element, compound for the same, and display device including the light emitting element13 Feb 2025US 2025/0057039 A1Samsung Display Co., Ltd.
- Functional layer material, light-emitting device, light-emitting substrate and light-emitting apparatus6 Feb 2025US 2025/0048919 A1Boe Technology Group Co., Ltd.
- Reducing agents and uses thereof7 Nov 2024US 2024/0368202 A1Singular Genomics Systems, Inc.
Most cited
By later US patents
- Antiretroviral enantiomeric nucleotide analogs124US 6,057,305 AInstitute of Organic Chemistry and Biochemistry of the Academy of Sciences of the Czech Republic · 2000
- Antiretroviral enantiomeric nucleotide analogs113US 6,653,296 B1Institute of Organic Chemistry and Biochemistry of the Academy of Sciences of the Czech Republic · 2003
- 4-Heterocyclyl-4'-vinylstilbenes54US 4,366,189 ACiba-Geigy Corporation · 1982
- Methods and compositions of novel triazine compounds49US 7,169,785 B2Reddy US Therapeutics, Inc. · 2007
- Compositions useful for treating disorders related to kit45US 9,334,263 B2Blueprint Medicines Corporation · 2016