A61K 31/7052
Having nitrogen as a ring hetero atom
Official title: having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides
A61K31/7052 (Having nitrogen as a ring hetero atom) appears on 5,559 US grants and 11,259 published applications in this corpus.
Search patents in A61K- Granted patents
- 5,559
- Published applications
- 11,259
- Assignees
- 3,657
- Inventors
- 17,971
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 12 | 0 |
| 1996 | 19 | 0 |
| 1997 | 57 | 0 |
| 1998 | 62 | 0 |
| 1999 | 54 | 0 |
| 2000 | 49 | 0 |
| 2001 | 59 | 23 |
| 2002 | 62 | 131 |
| 2003 | 70 | 202 |
| 2004 | 56 | 227 |
| 2005 | 58 | 286 |
| 2006 | 95 | 305 |
| 2007 | 80 | 295 |
| 2008 | 97 | 254 |
| 2009 | 98 | 302 |
| 2010 | 114 | 339 |
| 2011 | 138 | 350 |
| 2012 | 174 | 312 |
| 2013 | 238 | 509 |
| 2014 | 293 | 607 |
| 2015 | 267 | 542 |
| 2016 | 308 | 608 |
| 2017 | 333 | 572 |
| 2018 | 302 | 488 |
| 2019 | 356 | 598 |
| 2020 | 336 | 584 |
| 2021 | 348 | 714 |
| 2022 | 287 | 712 |
| 2023 | 324 | 734 |
| 2024 | 294 | 608 |
| 2025 | 290 | 557 |
| 2026 | 207 | 400 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Small molecule inhibitors of viral replication6 Oct 2026US 12,751,963 B2The Trustees of Princeton University
- Methods for treating pancreatic cancer and other solid tumors6 Oct 2026US 12,751,991 B2Lisata Therapeutics, Inc.
- Method of predicting therapeutic response and prognosis of metastatic breast cancer to chemotherapeutic agents, and treating metastatic breast cancer6 Oct 2026US 12,753,447 B2Samsung Life Public Welfare Foundation
- Aqueous pharmaceutical compositions comprising SGLT-2 inhibitors29 Sep 2026US 12,746,198 B2
- NiRAN interfering drugs for SARS-CoV-2 mutant therapy29 Sep 2026US 12,746,251 B2Atea Pharmaceuticals, Inc.
- Sulfurized imidazoles in ophthalmic formulations8 Oct 2026US 2026/0306457 A1Geneiii Biotech Company Ltd.
- Composition for removing and inhibiting senescent cells, and uses thereof8 Oct 2026US 2026/0306460 A1Lifeceutix Co., Ltd.
- Combination therapy for bacterial infections comprising zinc-chelator, beta-lactam antibiotic and serine beta-lactamase inhibitor8 Oct 2026US 2026/0306526 A1Adjutec Pharma AS
- Prmt inhibitor compounds and the uses thereof8 Oct 2026US 2026/0306527 A1Purdue Research Foundation
- Hexahydro[1,4]oxazino[3,4-c]pyrido[2,1-f][1,2,4]triazine deuterated derivative, pharmaceutical composition thereof, preparation method therefor, and anti-influenza use thereof8 Oct 2026US 2026/0308174 A1Changsha Jingyi Pharmaceutical Technology Co., Ltd
Most cited
By later US patents
- Method of treating androgen independent prostate cancer1,091US 9,040,574 B2Natrogen Therapeutics International, Inc. · 2015
- Bicyclonucleoside and oligonucleotide analogues547US 6,268,490 B1Takeshi Imanishi · 2001
- Anti-PD-L1 antibodies, compositions and articles of manufacture459US 8,217,149 B2Genentech, Inc. · 2012
- Carbohydrate conjugates as delivery agents for oligonucleotides273US 8,106,022 B2Alnylam Pharmaceuticals, Inc. · 2012
- Lineage-directed induction of human mesenchymal stem cell differentiation264US 5,736,396 ACase Western Reserve University · 1998