A61K 31/731
Carrageenans
A61K31/731 (Carrageenans) appears on 61 US grants and 112 published applications in this corpus.
Search patents in A61K- Granted patents
- 61
- Published applications
- 112
- Assignees
- 62
- Inventors
- 215
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 1 | 0 |
| 2003 | 0 | 3 |
| 2004 | 0 | 0 |
| 2005 | 1 | 6 |
| 2006 | 0 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 4 |
| 2009 | 1 | 5 |
| 2010 | 3 | 5 |
| 2011 | 1 | 9 |
| 2012 | 3 | 10 |
| 2013 | 6 | 5 |
| 2014 | 3 | 4 |
| 2015 | 1 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 4 |
| 2018 | 4 | 4 |
| 2019 | 6 | 5 |
| 2020 | 3 | 4 |
| 2021 | 4 | 11 |
| 2022 | 4 | 3 |
| 2023 | 2 | 6 |
| 2024 | 6 | 4 |
| 2025 | 3 | 5 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Topical antiviral compositions comprising hyaluronic acid and carrageenan2 Jun 2026US 12,642,814 B2Ricerfarma S.R.L.
- Antimicrobial solutions and methods of using the same in the treatment or prevention of infections25 Nov 2025US 12,478,583 B2
- Compositions and methods for protecting against airborne pathogens and irritants21 Oct 2025US 12,447,200 B2Applied Biological Laboratories, Inc.
- Application of sulfated polysaccharides in resisting novel coronavirus14 Oct 2025US 12,440,509 B2Dalian Polytechnic University
- Preventive and therapeutic treatment for COVID 19 and any other disease caused by SARS CoV 212 Nov 2024US 12,138,343 B2Amcyte Pharma, Inc.
- Complex for improving skin condition25 Jun 2026US 2026/0174672 A1LG H&H Co., Ltd.
- Compositions and methods for inhibition of precancer cells containing hpv dna25 Jun 2026US 2026/0174817 A1Research Foundation of the City University of New York
- Method for dynamic filtration of a cross-linked hydrogel26 Feb 2026US 2026/0053987 A1MERZ PHARMA GmbH & CO. KGaA
- Superabsorbent materials and methods of making the same19 Feb 2026US 2026/0048380 A1Eternal Sunshine Trust
- Mucus membrane formulations and uses thereof12 Feb 2026US 2026/0041706 A1The Brigham and Women S Hospital, Inc.
Most cited
By later US patents
- Injectable medical composition and method of use119US 5,639,796 AC. R. Bard, Inc. · 1997
- KIF11 and method for diagnosing non-small cell lung cancer15US 7,972,772 B2Oncotherapy Science, Inc. · 2011
- Injectable medical device and method of use14US 5,733,562 AC. R. Bard, Inc. · 1998
- Water-miscible esters of mono--and diglycerides having antibacterial activity and their use in inhibiting infection13US 5,908,862 AAbbot Laboratories · 1999
- Method for diagnosing non-small lung cancer13US 7,700,573 B2Oncotherapy Science, Inc. · 2010