C09D 105/04
Alginic acid
Official title: Alginic acid; Derivatives thereof
C09D105/04 (Alginic acid) appears on 52 US grants and 110 published applications in this corpus.
Search patents in C09D- Granted patents
- 52
- Published applications
- 110
- Assignees
- 79
- Inventors
- 272
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 5 |
| 2010 | 0 | 2 |
| 2011 | 2 | 1 |
| 2012 | 2 | 8 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 8 |
| 2016 | 2 | 11 |
| 2017 | 7 | 4 |
| 2018 | 2 | 6 |
| 2019 | 3 | 7 |
| 2020 | 5 | 5 |
| 2021 | 3 | 5 |
| 2022 | 4 | 10 |
| 2023 | 2 | 10 |
| 2024 | 2 | 5 |
| 2025 | 3 | 3 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composite biomaterials18 Aug 2026US 12,708,699 B2Spiderwort Biotechnologies Inc.
- Water-soluble sheet-like coloring material, water-soluble sheet-like coloring material set, and paint set7 Apr 2026US 12,595,378 B2Kabushiki Kaisha Pilot Corporation
- Coating-securing agent24 Feb 2026US 12,558,452 B2Public University Corporation Yokohama City University
- Hydrophobic alginic acid particle group and method for producing same24 Feb 2026US 12,559,611 B2Nisshinbo Holdings Inc.
- Amphiphilic alginic acid particle group and method for producing same14 Oct 2025US 12,441,850 B2Nisshinbo Holdings Inc.
- Bioplastics And Method Of Formation24 Sep 2026US 2026/0286105 A1Viable Gear, Inc.
- Marine biodegradable polymer particle groups and production method for same23 Jul 2026US 2026/0209481 A1Nisshinbo Holdings Inc.
- Composition for bone regeneration and block-type bone-regeneration scaffold including same16 Jul 2026US 2026/0199549 A1Kyungpook National University Hospital
- Biodegradable material25 Jun 2026US 2026/0176043 A1Kelp Industries Ltd
- Packaging item23 Apr 2026US 2026/0110140 A1Notpla Limited
Most cited
By later US patents
- Protection against soiling14US 4,347,266 AEnterra Corporation · 1982
- Edible PGA coating composition13US 6,881,449 B2FMC Corporation · 2005
- Edible PGA coating composition11US 6,699,315 B2FMC Corporation · 2004
- Edible PGA coating composition8US 6,932,861 B2FMC Corporation · 2005
- Aqueous liquid composition, aqueous coating liquid, functional coating film and composite material7US 9,959,985 B2Dainichiseika Color & Chemicals Mfg. Co., Ltd. · 2018