C07D 473/40
Heterocyclic compounds containing purine ring systems: with halogen atoms or perhalogeno-alkyl radicals
Official title: with halogen atoms or perhalogeno-alkyl radicals directly attached in position 2 or 6
C07D473/40 (Heterocyclic compounds containing purine ring systems: with halogen atoms or perhalogeno-alkyl radicals) appears on 271 US grants and 240 published applications in this corpus.
Search patents in C07D- Granted patents
- 271
- Published applications
- 240
- Assignees
- 200
- Inventors
- 786
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 1 |
| 2002 | 9 | 12 |
| 2003 | 9 | 9 |
| 2004 | 7 | 15 |
| 2005 | 8 | 10 |
| 2006 | 6 | 11 |
| 2007 | 5 | 8 |
| 2008 | 10 | 11 |
| 2009 | 3 | 10 |
| 2010 | 4 | 8 |
| 2011 | 4 | 6 |
| 2012 | 6 | 10 |
| 2013 | 4 | 7 |
| 2014 | 9 | 16 |
| 2015 | 9 | 9 |
| 2016 | 10 | 9 |
| 2017 | 4 | 13 |
| 2018 | 12 | 12 |
| 2019 | 11 | 16 |
| 2020 | 14 | 8 |
| 2021 | 10 | 8 |
| 2022 | 3 | 5 |
| 2023 | 6 | 8 |
| 2024 | 2 | 6 |
| 2025 | 4 | 10 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compounds, compositions, and methods for the treatment of disease30 Jun 2026US 12,667,573 B2Invox Pharma Limited
- Adenosine analogs for the treatment of disease9 Jun 2026US 12,649,740 B2Biointervene, Inc.
- Treatment of neurodegenerative diseases through inhibiton of Hsp9018 Nov 2025US 12,473,288 B2Sloan-Kettering Institute for Cancer Research
- Process for the preparation of 2-fluoroadenine19 Aug 2025US 12,391,694 B2Merck Sharp & Dohme Corp.
- A1 adenosine receptor agonists and methods of use thereof5 Aug 2025US 12,378,248 B2The United States of America, as represented by the Secretary, Department of Health and Human Services
- Pannexin-1 modulators and methods of treating disorders in which pannexin-1 is implicated28 May 2026US 2026/0146041 A1Pannex Therapeutics Inc.
- Compounds and methods for modulation of g-protein-coupled receptors1 Jan 2026US 2026/0001881 A1Primetime Life Sciences, LLC
- 6-6 or 5-6 fused bicyclic compounds comprising a pyri(mi)dine ring useful in the|treatment of infectious diseases27 Nov 2025US 2025/0360134 A1Centre National De La Recherche Scientifique
- Method for producing aryl compound containing tritylsulfanyl group13 Nov 2025US 2025/0346557 A1AGC Inc.
- Imidazopyridine and oxazolopyridine derivatives and analogs thereof, methods of preparation thereof, methods of hif-1/2a pathway inhibition, and induction of ferroptosis13 Nov 2025US 2025/0346588 A1
Most cited
By later US patents
- Substituted nitrogen heterocyclic derivatives and pharmaceutical use thereof182US 6,552,192 B1Ustau Experimentalni Botaniky AV-CR · 2003
- Inhibitors of human phosphatidylinositol 3-kinase delta181US 6,518,277 B1ICOS Corporation · 2003
- Inhibitors of human phosphatidylinositol 3-kinase delta145US 6,800,620 B2ICOS Corporation · 2004
- Inhibitors of human phosphatidyl-inositol 3-kinase delta138US 6,949,535 B2ICOS Corporation · 2005
- Methods and compositions for treating viral infections and guanine acyclic nucleosides135US 4,199,574 ABurroughs Wellcome Co. · 1980