Injectable radiopaque crosslinked hydrogel particle suspensions and methods of forming same
US-2025361366-A1 · Nov 27, 2025 · US
Semi-solid forms, ointments, gels, hydrogels
Semi-solid forms, ointments, gels, hydrogels · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A61K49/0457 |
| Official title | {Semi-solid forms, ointments, gels, hydrogels} |
| Display label | Semi-solid forms, ointments, gels, hydrogels |
| Total patents | 69 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 6 |
| 2017 | 1 |
| 2018 | 4 |
| 2019 | 6 |
| 2020 | 7 |
| 2021 | 8 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 15 |
| 2025 | 10 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Radiopaque amino-functional crosslinking agents for medical applications
US-2025295816-A1 · Sep 25, 2025 · US
Rapidly crosslinkable hydrogels with enhanced radiopacity for medical applications
US-2025195697-A1 · Jun 19, 2025 · US
Alginic acid-based injectable hydrogel system
US-2025082787-A1 · Mar 13, 2025 · US
Methods of forming radiopaque peptides and medical hydrogels formed therefrom
US-2025059237-A1 · Feb 20, 2025 · US
Reactive multi-arm polymers having branched end groups
US-12178888-B2 · Dec 31, 2024 · US
Crosslinked hydrogels with tunable radiopacity for medical applications
US-2024390527-A1 · Nov 28, 2024 · US
Crosslinked hydrogels with enhanced radiopacity for medical applications
US-2024366503-A1 · Nov 7, 2024 · US
Suspensions of radiopaque crosslinked hydrogel particles in carrier fluids containing biocompatible hydrophilic polymers
US-2024358896-A1 · Oct 31, 2024 · US
Radiopaque polysaccharide hydrogels and methods of making the same
US-2024335568-A1 · Oct 10, 2024 · US
Polyurethane-based radiopaque crosslinked hydrogels with non-isocyanate precursor for medical applications
US-2024317944-A1 · Sep 26, 2024 · US
Catalyst-free radiopaque medical hydrogels and systems for forming same
US-2024316220-A1 · Sep 26, 2024 · US
Polyamino iodinated compounds and radiopaque hydrogels formed therefrom
US-2024301179-A1 · Sep 12, 2024 · US
Radiopaque crosslinked acrylamide copolymers and uses thereof
US-2024293583-A1 · Sep 5, 2024 · US
Lung lesion localization multi-imaging contrast agent composition for restrictive lung resection
US-2024238454-A1 · Jul 18, 2024 · US
Radiopaque hydrogels and precursors thereof having enhanced radiopacity
US-2024218122-A1 · Jul 4, 2024 · US
Novel radiopaque medical hydrogels and precursors thereof
US-2024189485-A1 · Jun 13, 2024 · US
Radiopaque polymers
US-11957755-B2 · Apr 16, 2024 · US
Iodine labeled hydrogels and precursors thereof with improved properties
US-2024076266-A1 · Mar 7, 2024 · US
Iodinated crosslinked hydrogels and methods of forming the same
US-2024075190-A1 · Mar 7, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61K49/0457?
- CPC A61K49/0457 is the Cooperative Patent Classification code for “Semi-solid forms, ointments, gels, hydrogels.”
- How many patents are filed under CPC A61K49/0457 (Semi-solid forms, ointments, gels, hydrogels)?
- Our database includes 69 publications tagged with this CPC code.
- Is patent activity under CPC A61K49/0457 growing?
- Publication counts under this code: 15 in 2024 vs 10 in 2025 (latest complete years).