A61K 2236/39
Complex extraction schemes
Official title: Complex extraction schemes, e.g. fractionation or repeated extraction steps
A61K2236/39 (Complex extraction schemes) appears on 315 US grants and 577 published applications in this corpus.
Search patents in A61K- Granted patents
- 315
- Published applications
- 577
- Assignees
- 405
- Inventors
- 1,673
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 3 |
| 2011 | 2 | 3 |
| 2012 | 2 | 13 |
| 2013 | 2 | 17 |
| 2014 | 5 | 10 |
| 2015 | 14 | 24 |
| 2016 | 11 | 26 |
| 2017 | 12 | 33 |
| 2018 | 20 | 29 |
| 2019 | 28 | 34 |
| 2020 | 35 | 46 |
| 2021 | 30 | 46 |
| 2022 | 37 | 55 |
| 2023 | 30 | 51 |
| 2024 | 27 | 78 |
| 2025 | 27 | 63 |
| 2026 | 31 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Medicine for topical wound treatment28 Jul 2026US 12,691,152 B2Kesaisi (Hainan) Technology Co., Ltd.
- Method for improving bone health by using mangosteen shell extract28 Jul 2026US 12,691,153 B2Tci Co., Ltd.
- Traditional Chinese medicine composition, and preparation method therefor and use thereof28 Jul 2026US 12,691,155 B2Jiangsu Kanion Pharmaceutical Co., Ltd.
- Cannabinoid-based formulation8 Oct 2026US 2026/0306571 A1
- Method for enhancing cannabinoid content in cannabis leaves1 Oct 2026US 2026/0294992 A1BIOsp Korea Co., Ltd.
- Irritation relieving agent, method for producing the same, and external skin preparation24 Sep 2026US 2026/0284101 A1Refine Holdings Co., Ltd.
- Pharmaceutical compositions and methods for treating or preventing bacterial infections in humans and in animals17 Sep 2026US 2026/0273005 A1Equatorial Healthcare Services
- Bioactive phytochemicals10 Sep 2026US 2026/0263440 A1Phytoquest Limited
Most cited
By later US patents
- Method for modifying THC content in a lipid-based extract of cannabis77US 9,259,449 B22016
- Essential element extractor44US 8,343,553 B22013
- Methods of treating tuberous sclerosis complex with cannabidiol and everolimus43US 11,160,795 B2GW Research Limited · 2021
- System for producing a terpene-enhanced cannabinoid concentrate31US 9,744,200 B1Oak and Crane, LLC · 2017
- Systems and methods for cannabinoid and terpene extraction and purification31US 9,937,218 B22018