C08J 2305/04
Alginic acid
Official title: Alginic acid; Derivatives thereof
C08J2305/04 (Alginic acid) appears on 109 US grants and 207 published applications in this corpus.
Search patents in C08J- Granted patents
- 109
- Published applications
- 207
- Assignees
- 145
- Inventors
- 452
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 0 | 4 |
| 2010 | 0 | 4 |
| 2011 | 2 | 6 |
| 2012 | 2 | 2 |
| 2013 | 0 | 4 |
| 2014 | 6 | 4 |
| 2015 | 2 | 8 |
| 2016 | 3 | 5 |
| 2017 | 4 | 9 |
| 2018 | 3 | 13 |
| 2019 | 5 | 9 |
| 2020 | 4 | 17 |
| 2021 | 12 | 11 |
| 2022 | 4 | 22 |
| 2023 | 9 | 20 |
| 2024 | 17 | 26 |
| 2025 | 12 | 16 |
| 2026 | 15 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biodegradable resin composition and molded body15 Sep 2026US 12,735,555 B2Toppan Inc.
- Hierarchically structured hydrogel with tunable mechanical properties18 Aug 2026US 12,709,665 B2The Regents of the University of California
- Dynamic covalent hydrogels, precursors thereof and uses thereof28 Jul 2026US 12,691,062 B2Centre National De La Recherche Scientifique
- Polymer compositions21 Jul 2026US 12,686,749 B2Oxford Medical Products Limited
- Crosslinked alginic acid9 Jun 2026US 12,649,799 B2Mochida Pharmaceutical Co., Ltd.
- Water-soluble film and water-soluble unit dose article made therefrom1 Oct 2026US 2026/0297472 A1The Procter & Gamble Company
- High-strength agricultural foam10 Sep 2026US 2026/0265479 A1Brekland Incorporated
- Polymer/milk-protein hydrogels, cell scaffolds and cultured meat products made therewith, and associated methods20 Aug 2026US 2026/0240198 A1University of Vermont and State Agricultural College
- Method for Generating Hydrogel Microparticles13 Aug 2026US 2026/0234345 A1Robert Bosch GmbH
- Marine biodegradable polymer particle groups and production method for same23 Jul 2026US 2026/0209481 A1Nisshinbo Holdings Inc.
Most cited
By later US patents
- Preparing porous hydrogel products92US 6,511,650 B1The Regents of the University of Michigan · 2003
- Photocrosslinked biodegradable hydrogel46US 8,273,373 B2Case Western Reserve University · 2012
- Microcrystalline cellulose compositions43US 7,462,232 B2FMC Corporation · 2008
- Foam materials30US 6,656,974 B1Advanced Medical Solutions Limited · 2003
- Wellbore servicing fluid compositions and use thereof24US 8,636,069 B2Halliburton Energy Services.Inc. · 2014