Dual t1/t2 mri contrast agents for photothermal therapy
US-2025345465-A1 · Nov 13, 2025 · US
having a (super)(para)magnetic core coated or functionalised with an inorganic material or being composed of an inorganic material entrapping the MRI-active nucleus, e.g. silica core doped with a MRI-active nucleus
having a (super)(para)magnetic core coated or functionalised with an inorganic material or being composed of an inorganic material entrapping the MRI-active nucleus, e.g. silica core doped with a MRI-active nucleus · 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 | A61K49/183 |
| Official title | {having a (super)(para)magnetic core coated or functionalised with an inorganic material or being composed of an inorganic material entrapping the MRI-active nucleus, e.g. silica core doped with a MRI-active nucleus} |
| Display label | having a (super)(para)magnetic core coated or functionalised with an inorganic material or being composed of an inorganic material entrapping the MRI-active nucleus, e.g. silica core doped with a MRI-active nucleus |
| Total patents | 62 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 4 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 9 |
| 2020 | 6 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nanomaterial composition and use of the same for magnetic field-induced electrical stimulation of cells
US-2025057991-A1 · Feb 20, 2025 · US
Multi-Core Magnetic Metal Oxide Nanoparticles
US-2024269063-A1 · Aug 15, 2024 · US
Magnetic nanoparticles for image diagnosis and contrast medium for image diagnosis
US-2024252691-A1 · Aug 1, 2024 · US
Polymer-modified magnetic nanomaterial, and preparation method and use thereof
US-2024245808-A1 · Jul 25, 2024 · US
Bismuth-Gadolinium Nanoparticles
US-2023390394-A1 · Dec 7, 2023 · US
Magnetic resonance contrast agents and methods thereof
US-2023241255-A1 · Aug 3, 2023 · US
Multimodal pet/mri contrast agent and a process for the synthesis thereof
US-2023138790-A1 · May 4, 2023 · US
Bismuth-gadolinium nanoparticles
US-11590225-B2 · Feb 28, 2023 · US
Ultrafine nanoparticles as multimodal contrast agent
US-11529316-B2 · Dec 20, 2022 · US
Method for synthesizing silica nanoparticles
US-11512003-B2 · Nov 29, 2022 · US
Targeted nano-photomedicines for photodynamic therapy of cancer
US-2022296714-A1 · Sep 22, 2022 · US
Protein reporters for ultrasensitive detection methods
US-11300640-B2 · Apr 12, 2022 · US
Process for the preparation of hollow nanoparticles with a metal core
US-11253615-B2 · Feb 22, 2022 · US
Nano-particles containing carbon and a ferromagnetic metal or alloy
US-11065688-B2 · Jul 20, 2021 · US
Liver-specific mri contrast agent including manganese silicate nanoparticles
US-2021106698-A1 · Apr 15, 2021 · US
Method for synthesizing silica nanoparticles
US-2021078867-A1 · Mar 18, 2021 · US
Core-satellite nanocomposites for MRI and photothermal therapy
US-10898595-B2 · Jan 26, 2021 · US
Methods of performing brachytherapy
US-10688203-B2 · Jun 23, 2020 · US
Mesoporous silica nanoparticles for biomedical applications
US-10668024-B2 · Jun 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61K49/183?
- CPC A61K49/183 is the Cooperative Patent Classification code for “having a (super)(para)magnetic core coated or functionalised with an inorganic material or being composed of an inorganic material entrapping the MRI-active nucleus, e.g. silica core doped with a MRI-active nucleus.”
- How many patents are filed under CPC A61K49/183 (having a (super)(para)magnetic core coated or functionalised with an inorganic material or being composed of an inorganic material entrapping the MRI-active nucleus, e.g. silica core doped with a MRI-active nucleus)?
- Our database includes 62 publications tagged with this CPC code.
- Is patent activity under CPC A61K49/183 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).