A61K 31/445
Non condensed piperidines
Official title: Non condensed piperidines, e.g. piperocaine
A61K31/445 (Non condensed piperidines) appears on 10,786 US grants and 17,992 published applications in this corpus.
Search patents in A61K- Granted patents
- 10,786
- Published applications
- 17,992
- Assignees
- 5,013
- Inventors
- 31,925
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 31 | 0 |
| 1977 | 24 | 0 |
| 1978 | 39 | 0 |
| 1979 | 8 | 0 |
| 1980 | 12 | 0 |
| 1981 | 10 | 0 |
| 1982 | 9 | 0 |
| 1983 | 12 | 0 |
| 1984 | 13 | 0 |
| 1985 | 12 | 0 |
| 1986 | 16 | 0 |
| 1987 | 18 | 0 |
| 1988 | 26 | 0 |
| 1989 | 31 | 0 |
| 1990 | 53 | 0 |
| 1991 | 53 | 0 |
| 1992 | 48 | 0 |
| 1993 | 77 | 0 |
| 1994 | 60 | 0 |
| 1995 | 98 | 0 |
| 1996 | 140 | 0 |
| 1997 | 185 | 0 |
| 1998 | 175 | 0 |
| 1999 | 183 | 0 |
| 2000 | 190 | 0 |
| 2001 | 241 | 103 |
| 2002 | 213 | 320 |
| 2003 | 208 | 377 |
| 2004 | 127 | 441 |
| 2005 | 126 | 454 |
| 2006 | 126 | 416 |
| 2007 | 100 | 415 |
| 2008 | 126 | 440 |
| 2009 | 137 | 422 |
| 2010 | 191 | 526 |
| 2011 | 216 | 516 |
| 2012 | 287 | 505 |
| 2013 | 377 | 684 |
| 2014 | 464 | 845 |
| 2015 | 568 | 991 |
| 2016 | 584 | 959 |
| 2017 | 695 | 962 |
| 2018 | 632 | 932 |
| 2019 | 662 | 920 |
| 2020 | 599 | 986 |
| 2021 | 537 | 942 |
| 2022 | 460 | 974 |
| 2023 | 405 | 894 |
| 2024 | 435 | 1024 |
| 2025 | 426 | 1066 |
| 2026 | 321 | 878 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61K 31/4523Containing further heterocyclic ring systems6,086
- A61K 31/4468Having a nitrogen directly attached in position 4624
- A61K 31/451Having a carbocyclic group directly attached to the heterocyclic ring617
- A61K 31/4458Only substituted in position 2481
- A61K 31/4453Only substituted in position 1460
- A61K 31/45Having oxo groups directly attached to the heterocyclic ring265
- A61K 31/4465Only substituted in position 4136
- A61K 31/4515Having a butyrophenone group in position 1110
All 10 subgroupsShow fewer
Recent patents
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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
- 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
- Opioid agonist/opioid antagonist/acetaminophen combinations411US 6,375,957 B1Euro-Celtique S. A. · 2002