C08L 5/04
Alginic acid
Official title: Alginic acid; Derivatives thereof
C08L5/04 (Alginic acid) appears on 345 US grants and 545 published applications in this corpus.
Search patents in C08L- Granted patents
- 345
- Published applications
- 545
- Assignees
- 376
- Inventors
- 1,345
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 0 |
| 2002 | 5 | 1 |
| 2003 | 6 | 5 |
| 2004 | 4 | 3 |
| 2005 | 1 | 8 |
| 2006 | 1 | 11 |
| 2007 | 2 | 13 |
| 2008 | 3 | 14 |
| 2009 | 0 | 19 |
| 2010 | 7 | 15 |
| 2011 | 3 | 18 |
| 2012 | 10 | 22 |
| 2013 | 17 | 15 |
| 2014 | 16 | 16 |
| 2015 | 10 | 18 |
| 2016 | 10 | 15 |
| 2017 | 16 | 15 |
| 2018 | 9 | 21 |
| 2019 | 11 | 33 |
| 2020 | 12 | 34 |
| 2021 | 23 | 42 |
| 2022 | 20 | 39 |
| 2023 | 31 | 42 |
| 2024 | 25 | 52 |
| 2025 | 24 | 35 |
| 2026 | 20 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dental impression material and combined impression material29 Sep 2026US 12,746,187 B2GC Corporation
- Marine-biodegradation accelerator11 Aug 2026US 12,703,793 B2Nisshinbo Holdings Inc.
- Anti-adhesive barrier membrane using alginate and hyaluronic acid for biomedical applications4 Aug 2026US 12,697,419 B2Board of Regents, The University of Texas System
- Dynamic covalent hydrogels, precursors thereof and uses thereof28 Jul 2026US 12,691,062 B2Centre National De La Recherche Scientifique
- Compositions, apparatuses and methods for making and using bioscaffolds7 Jul 2026US 12,673,138 B2The Research Foundation for The State University of New York
- Water-soluble film and water-soluble unit dose article made therefrom1 Oct 2026US 2026/0297472 A1The Procter & Gamble Company
- Bioplastics And Method Of Formation24 Sep 2026US 2026/0286105 A1Viable Gear, Inc.
- Biopolymer scaffolds and methods for production or use thereof17 Sep 2026US 2026/0273130 A1Bionova Medical, Inc.
- Sodium alginate and hyaluronic acid blended hydrogel matrix17 Sep 2026US 2026/0273140 A1Alafair Biosciences, Inc.
- Resilient bacterial nanocellulose foam17 Sep 2026US 2026/0275086 A1Nano and Advanced Materials Institute Limited
Most cited
By later US patents
- Non-adhesive elastic gelatin matrices1,357US 8,361,501 B2Covalon Technologies Inc. · 2013
- Water-insoluble polysaccharide hydrogel foam for medical applications1,170US 5,089,606 AMinnesota Mining and Manufacturing Company · 1992
- High density fibrous polymers suitable for implant143US 6,974,862 B2Kensey Nash Corporation · 2005
- High density fibrous polymers suitable for implant143US 7,214,765 B2Kensey Nash Corporation · 2007
- External incontinence device and vapor-absorptive adhesive compositions123US 5,827,247 ABioDerm, Inc. · 1998