C07D 521/00
Heterocyclic compounds containing unspecified hetero rings
C07D521/00 (Heterocyclic compounds containing unspecified hetero rings) appears on 727 US grants and 99 published applications in this corpus.
Search patents in C07D- Granted patents
- 727
- Published applications
- 99
- Assignees
- 88
- Inventors
- 591
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 11 | 0 |
| 1984 | 23 | 0 |
| 1985 | 51 | 0 |
| 1986 | 68 | 0 |
| 1987 | 97 | 0 |
| 1988 | 83 | 0 |
| 1989 | 60 | 0 |
| 1990 | 50 | 0 |
| 1991 | 26 | 0 |
| 1992 | 29 | 0 |
| 1993 | 15 | 0 |
| 1994 | 19 | 0 |
| 1995 | 20 | 0 |
| 1996 | 21 | 0 |
| 1997 | 23 | 0 |
| 1998 | 16 | 0 |
| 1999 | 9 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 0 |
| 2002 | 7 | 5 |
| 2003 | 1 | 5 |
| 2004 | 2 | 4 |
| 2005 | 4 | 5 |
| 2006 | 5 | 5 |
| 2007 | 1 | 2 |
| 2008 | 3 | 4 |
| 2009 | 4 | 3 |
| 2010 | 5 | 8 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 5 | 1 |
| 2014 | 2 | 4 |
| 2015 | 0 | 1 |
| 2016 | 3 | 4 |
| 2017 | 4 | 11 |
| 2018 | 4 | 6 |
| 2019 | 4 | 1 |
| 2020 | 7 | 4 |
| 2021 | 3 | 4 |
| 2022 | 1 | 6 |
| 2023 | 2 | 2 |
| 2024 | 4 | 5 |
| 2025 | 2 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nitrogen-containing macrocyclic conjugates as radiopharmaceuticals3 Mar 2026US 12,565,506 B2Clarity Pharmaceuticals Ltd
- Heterocyclic derivatives useful as SHP2 inhibitors25 Feb 2025US 12,233,062 B2Jacobio Pharmaceuticals Co., Ltd.
- Tricyclic urea compounds as JAK2 V617F inhibitors7 Jan 2025US 12,187,725 B2Incyte Corporation
- PAPD5 inhibitors and methods of use thereof24 Dec 2024US 12,171,755 B2Children's Medical Center Corporation
- Small molecule inhibitors of DYRK/CLK and uses thereof6 Aug 2024US 12,054,483 B2Arizona Board of Regents on Behalf of the University of Arizona
- Nitrogen-containing macrocyclic conjugates as radiopharmaceuticals6 Aug 2026US 2026/0226078 A1Clarity Pharmaceuticals Ltd
- 5,6-fused bicyclic alcohol compounds as 15-prostaglandin dehydrogenase modulators7 May 2026US 2026/0125398 A1Amgen Inc.
- Papd5 inhibitors and methods of use thereof30 Apr 2026US 2026/0115182 A1Children's Medical Center Corporation
- Tricyclic urea compounds as jak2 v617f inhibitors16 Oct 2025US 2025/0320212 A1Incyte Corporation
- Small molecule inhibitors of dyrk/clk and uses thereof13 Feb 2025US 2025/0051325 A1Arizona Board of Regents on Behalf of the University of Arizona
Most cited
By later US patents
- Herbicidal sulfonamides124US 4,127,405 AE. I. Du Pont de Nemours and Company · 1978
- Fused N-phenylsulfonyl-N'-pyrimidinylureas and N-phenylsulfonyl-N'triazinylureas54US 4,634,465 ACiba-Geigy Corporation · 1987
- DNA-PK inhibitors44US 9,376,448 B2Vertex Pharmaceuticals Incorporated · 2016
- Novel sulfonylureas41US 4,579,583 ACiba-Geigy Corporation · 1986
- Triazinyl-sulfonyl-ureas and isoureas40US 4,481,029 AE. I. Du Pont de Nemours and Company · 1984