A61K 31/44
Non condensed pyridines
Official title: Non condensed pyridines; Hydrogenated derivatives thereof
A61K31/44 (Non condensed pyridines) appears on 22,237 US grants and 38,108 published applications in this corpus.
Search patents in A61K- Granted patents
- 22,237
- Published applications
- 38,108
- Assignees
- 9,281
- Inventors
- 61,042
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 66 | 0 |
| 1977 | 56 | 0 |
| 1978 | 57 | 0 |
| 1979 | 23 | 0 |
| 1980 | 19 | 0 |
| 1981 | 22 | 0 |
| 1982 | 17 | 0 |
| 1983 | 21 | 0 |
| 1984 | 29 | 0 |
| 1985 | 29 | 0 |
| 1986 | 37 | 0 |
| 1987 | 49 | 0 |
| 1988 | 82 | 0 |
| 1989 | 81 | 0 |
| 1990 | 113 | 0 |
| 1991 | 113 | 0 |
| 1992 | 100 | 0 |
| 1993 | 161 | 0 |
| 1994 | 123 | 0 |
| 1995 | 164 | 0 |
| 1996 | 202 | 0 |
| 1997 | 307 | 0 |
| 1998 | 308 | 0 |
| 1999 | 350 | 0 |
| 2000 | 387 | 0 |
| 2001 | 445 | 171 |
| 2002 | 433 | 648 |
| 2003 | 406 | 818 |
| 2004 | 300 | 979 |
| 2005 | 265 | 933 |
| 2006 | 289 | 963 |
| 2007 | 212 | 888 |
| 2008 | 235 | 947 |
| 2009 | 256 | 944 |
| 2010 | 393 | 1185 |
| 2011 | 430 | 1158 |
| 2012 | 535 | 1191 |
| 2013 | 814 | 1470 |
| 2014 | 995 | 1835 |
| 2015 | 1182 | 2066 |
| 2016 | 1198 | 2040 |
| 2017 | 1390 | 1973 |
| 2018 | 1315 | 1943 |
| 2019 | 1345 | 1992 |
| 2020 | 1279 | 2068 |
| 2021 | 1151 | 2047 |
| 2022 | 1008 | 2000 |
| 2023 | 925 | 1985 |
| 2024 | 946 | 2113 |
| 2025 | 908 | 2065 |
| 2026 | 666 | 1686 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61K 31/445Non condensed piperidines10,786
- A61K 31/4427Containing further heterocyclic ring systems7,434
- A61K 31/455Nicotinic acids1,250
- A61K 31/4418Having a carbocyclic group directly attached to the heterocyclic ring815
- A61K 31/4402Only substituted in position 2696
- A61K 31/4412Having oxo groups directly attached to the heterocyclic ring648
- A61K 31/4415Pyridoxine, i.e. vitamin b6630
- A61K 31/4409Only substituted in position 4568
Recent patents
- Nanostructure or microstructure and method for producing same6 Oct 2026US 12,751,923 B2The University of Tokyo
- Benzenesulfonamide derivatives and method for treating cancer6 Oct 2026US 12,751,936 B2Gongwin Biopharm Co., Ltd
- Compound for the treatment and prevention of central nervous system disorders6 Oct 2026US 12,751,945 B2Abaxys Therapeutics
- Topical anaesthetic composition having improved vasoconstrictor stability6 Oct 2026US 12,751,946 B2Animal Ethics Pty Ltd
- Oral liquid formulation of apixaban6 Oct 2026US 12,751,947 B2Liqmeds Worldwide Limited
- Formulation for an effective oral administration of ciclopirox with no adversal gastrointestinal toxicity8 Oct 2026US 2026/0306400 A1AsociacióN Centro De InvestigacióN Cooperativa En Biociencias-Cic Biogune
- Pharmaceutical oral dosage form of q2038 Oct 2026US 2026/0306411 A1Qurient Co., Ltd.
- Compositions, Kits, and Methods Comprising Bioidentical D BHB With Optional Vitamin B6 for Neurological Wellness, Mood Stability, and Medication Taper Support8 Oct 2026US 2026/0306430 A1Global Ketone Limited
- Nutritional compositions, supplements, and fortifiers8 Oct 2026US 2026/0306432 A1Societe des Produits Nestle S. A.
- Sulfurized imidazoles in ophthalmic formulations8 Oct 2026US 2026/0306457 A1Geneiii Biotech Company Ltd.
Most cited
By later US patents
- Methods for treating multiple myeloma with 3-(4-amino-1-oxo-1,3-dihydro-isoindol-2-yl)-piperidine-2,6-dione after stem cell transplantation733US 9,101,621 B2Celgene Corporation · 2015
- Inhibition of inflammatory cytokine production by cholinergic agonists and vagus nerve stimulation682US 6,610,713 B2North Shore-Long Island Jewish Research Institute · 2003
- Method of moving a delivery member of a dispensing device for administration of oral transmucosal dosage forms654US 8,499,966 B2AcelRx Pharmaceuticals, Inc. · 2013
- Reversal of general anesthesia by administration of methylphenidate, amphetamine, modafinil, amantadine, and/or caffeine486US 10,299,720 B2The General Hospital Corporation · 2019
- Transdermal administration of fentanyl and device therefor411US 4,588,580 AAlza Corporation · 1986