C08J 2205/022
Hydrogel, i.e. a gel containing an aqueous composition
C08J2205/022 (Hydrogel, i.e. a gel containing an aqueous composition) appears on 136 US grants and 189 published applications in this corpus.
Search patents in C08J- Granted patents
- 136
- Published applications
- 189
- Assignees
- 116
- Inventors
- 458
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 0 | 2 |
| 2012 | 2 | 2 |
| 2013 | 3 | 9 |
| 2014 | 4 | 4 |
| 2015 | 4 | 9 |
| 2016 | 4 | 6 |
| 2017 | 6 | 20 |
| 2018 | 10 | 24 |
| 2019 | 12 | 15 |
| 2020 | 13 | 21 |
| 2021 | 18 | 17 |
| 2022 | 8 | 10 |
| 2023 | 14 | 7 |
| 2024 | 11 | 10 |
| 2025 | 14 | 10 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymer compositions21 Jul 2026US 12,686,749 B2Oxford Medical Products Limited
- DNA-responsive hydrogels12 May 2026US 12,624,352 B2Massachusetts Institute of Technology
- Method for depositing nano-objects on the surface of a polymer gel comprising zones with distinct rigidities21 Apr 2026US 12,606,688 B2Centre National De La Recherche Scientifique
- Electrically conductive hydrogel having graphene network and fabrication method therefor3 Feb 2026US 12,540,226 B2Gwangju Institute of Science and Technology
- Method for preparing super absorbent polymer6 Jan 2026US 12,516,160 B2LG Chem.Ltd.
- Methods for generating alginate hydrogels and hydrogel systems1 Oct 2026US 2026/0294960 A1The Regents of the University of Michigan
- Polysaccharide-based macromolecule cross-linking agent, polysaccharide-based biological material, and preparation method therefor and use thereof30 Jul 2026US 2026/0217923 A1Shanghai Jiaotong University
- Systems and methods for making and using superabsorbent porous gels2 Jul 2026US 2026/0184874 A1University of Maryland, College Park
- Electrolyte of dye-sensitized solar cell and method for manufacturing the same11 Jun 2026US 2026/0162905 A1Sookmyung Women's University Industry-Academic Cooperation Foundation
- Dust suppression composition and methods of use thereof14 May 2026US 2026/0132336 A1
Most cited
By later US patents
- Concentrated aqueous silk fibroin solution and use thereof139US 7,635,755 B2Trustees of Tufts College · 2009
- Preparation of a polymeric hydrogel containing micropores and macropores for use as a cell culture substrate134US 5,244,799 A1993
- Preparing porous hydrogel products92US 6,511,650 B1The Regents of the University of Michigan · 2003
- Concentrated aqueous silk fibroin solution and use thereof39US 8,614,293 B2Trustees of Tufts College · 2013
- Formation of strong superporous hydrogels31US 7,056,957 B2KOS Pharmaceuticals, Inc. · 2006