C07H 19/24
Heterocyclic radicals containing oxygen or sulfur as ring hetero atom
C07H19/24 (Heterocyclic radicals containing oxygen or sulfur as ring hetero atom) appears on 105 US grants and 108 published applications in this corpus.
Search patents in C07H- Granted patents
- 105
- Published applications
- 108
- Assignees
- 91
- Inventors
- 323
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 5 |
| 2004 | 0 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 5 |
| 2009 | 3 | 4 |
| 2010 | 2 | 3 |
| 2011 | 2 | 5 |
| 2012 | 2 | 2 |
| 2013 | 7 | 8 |
| 2014 | 5 | 4 |
| 2015 | 3 | 5 |
| 2016 | 6 | 6 |
| 2017 | 4 | 4 |
| 2018 | 3 | 3 |
| 2019 | 4 | 8 |
| 2020 | 9 | 13 |
| 2021 | 5 | 0 |
| 2022 | 3 | 7 |
| 2023 | 2 | 5 |
| 2024 | 5 | 7 |
| 2025 | 4 | 6 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Glucosamine derivatives and pharmaceutical uses thereof17 Feb 2026US 12,552,823 B2Risen (Suzhou) Pharma Tech Co., Ltd.
- Modified nucleoside phosphoramidites30 Sep 2025US 12,428,441 B2Janssen BioPharma, Inc.
- Galactoside inhibitor of galectins9 Sep 2025US 12,410,207 B2Galecto Biotech AB
- Glucosamine derivatives for the prevention or treatment of joint disorders27 May 2025US 12,312,378 B2Risen (Suzhou) Pharma Tech Co., Ltd.
- Method for the site-specific enzymatic labelling of nucleic acids in vitro by incorporation of unnatural nucleotides22 Apr 2025US 12,281,137 B2The Scripps Research Institute
- Extended purine tricyclic and bicyclic nucleosides and nucleotides for use as antiviral therapeutics2 Jul 2026US 2026/0184738 A1University of Maryland, Baltimore County
- Glucosamine derivatives and pharmaceutical uses thereof20 Nov 2025US 2025/0353870 A1Risen (Suzhou) Pharma Tech Co., Ltd.
- Method for producing production intermediate, production intermediate thereof, and method for producing crosslinked artificial nucleic acid intermediate by using same9 Oct 2025US 2025/0313591 A1Mitsubishi Tanabe Pharma Corporation
- Practical glycan engineering method for the preparation of homogenous antibody conjugates17 Jul 2025US 2025/0228961 A1Wisconsin Alumni Research Foundation
- Method of Sequencing L-Polynucleotide3 Jul 2025US 2025/0215489 A1Dxome Co., Ltd.
Most cited
By later US patents
- Specific modulation of Th1/Th2 cytokine expression by ribavirin in activated T-lymphocytes128US 5,767,097 AICN Pharmaceuticals, Inc. · 1998
- Antiviral methods utilizing ribofuranosylthiazolo[4,5-d]pyrimdine derivatives67US 4,880,784 ABrigham Young University · 1989
- 1,2,4-Thiadiazolidine-3,5-dione63US 4,093,624 AICN Pharmaceuticals, Inc. · 1978
- Stereoselective synthesis of phosphorus containing actives58US 8,859,756 B2Gilead Pharmasset LLC · 2014
- Targeted drug delivery via phosphonate derivatives55US 5,177,064 AUniversity of Florida · 1993