C07F 9/6558
Containing at least two different or differently substituted hetero rings neither condensed
Official title: containing at least two different or differently substituted hetero rings neither condensed among themselves nor condensed with a common carbocyclic ring or ring system
C07F9/6558 (Containing at least two different or differently substituted hetero rings neither condensed) appears on 1,583 US grants and 1,965 published applications in this corpus.
Search patents in C07F- Granted patents
- 1,583
- Published applications
- 1,965
- Assignees
- 879
- Inventors
- 5,434
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 10 | 0 |
| 1985 | 7 | 0 |
| 1986 | 12 | 0 |
| 1987 | 9 | 0 |
| 1988 | 10 | 0 |
| 1989 | 13 | 0 |
| 1990 | 18 | 0 |
| 1991 | 22 | 0 |
| 1992 | 20 | 0 |
| 1993 | 19 | 0 |
| 1994 | 22 | 0 |
| 1995 | 21 | 0 |
| 1996 | 13 | 0 |
| 1997 | 37 | 0 |
| 1998 | 28 | 0 |
| 1999 | 15 | 0 |
| 2000 | 19 | 0 |
| 2001 | 15 | 5 |
| 2002 | 24 | 26 |
| 2003 | 19 | 38 |
| 2004 | 19 | 48 |
| 2005 | 18 | 46 |
| 2006 | 29 | 59 |
| 2007 | 28 | 50 |
| 2008 | 31 | 50 |
| 2009 | 24 | 54 |
| 2010 | 32 | 62 |
| 2011 | 31 | 60 |
| 2012 | 50 | 58 |
| 2013 | 73 | 90 |
| 2014 | 72 | 99 |
| 2015 | 88 | 105 |
| 2016 | 66 | 97 |
| 2017 | 78 | 112 |
| 2018 | 87 | 100 |
| 2019 | 87 | 110 |
| 2020 | 76 | 89 |
| 2021 | 59 | 95 |
| 2022 | 64 | 83 |
| 2023 | 44 | 117 |
| 2024 | 55 | 125 |
| 2025 | 60 | 105 |
| 2026 | 37 | 82 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- PHD inhibitor compounds, compositions, and use6 Oct 2026US 12,753,161 B2Akebia Therapeutics, Inc.
- Solid supports and phosphoramidite building blocks for oligonucleotide conjugates15 Sep 2026US 12,735,387 B2AM Chemicals LLC
- Immunomodulator8 Sep 2026US 12,729,195 B2Hitgen Inc.
- Pyrazole-substituted cyclopentanol ester derivative and use thereof25 Aug 2026US 12,715,859 B2Chia Tai Tianqing Pharmaceutical Group Co., Ltd.
- STAT6 modulators and uses thereof18 Aug 2026US 12,709,628 B2Recludix Pharma, Inc.
- Substituted pyrimidinedione compounds, compositions, and uses thereof8 Oct 2026US 2026/0308184 A1Lakewood Amedex, Inc.
- Sulfoximine compounds as histone deacetylase 6 inhibitor, and pharmaceutical composition comprising the same1 Oct 2026US 2026/0297073 A1Chong Kun Dang Pharmaceutical Corp.
- Substituted pyrimidinone and azapyrimidinone compounds, compositions, and uses thereof1 Oct 2026US 2026/0297118 A1
- Heterocyclic compound and use thereof24 Sep 2026US 2026/0285888 A1Otsuka Pharmaceutical Co., Ltd.
- Antihistaminic compounds, preparation method and use thereof17 Sep 2026US 2026/0272960 A1Hc Synthetic Pharmaceutical Co., Ltd.
Most cited
By later US patents
- Alkynylamino-nucleotides340US 5,047,519 AE. I. Du Pont de Nemours and Company · 1991
- Reagents for the preparation of 5'-tagged oligonucleotides242US 5,262,536 AE. I. Du Pont de Nemours and Company · 1993
- Alkynylamino-nucleotides225US 5,151,507 AE. I. Du Pont de Nemours and Company · 1992
- Method, system and reagents for DNA sequencing192US 5,332,666 AE. I. Du Pont de Nemours and Company · 1994
- Fluorescent reagents for the preparation of 5'-tagged oligonucleotides143US 4,997,928 AE. I. Du Pont de Nemours and Company · 1991