Encapsulated gas or partial vacuum CT contrast material
US-12178626-B2 · Dec 31, 2024 · US
Microparticles, microbeads, microcapsules, microspheres, i.e. having a size or diameter higher or equal to 1 micrometer
Microparticles, microbeads, microcapsules, microspheres, i.e. having a size or diameter higher or equal to 1 micrometer · 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 | A61K49/0419 |
| Official title | {Microparticles, microbeads, microcapsules, microspheres, i.e. having a size or diameter higher or equal to 1 micrometer} |
| Display label | Microparticles, microbeads, microcapsules, microspheres, i.e. having a size or diameter higher or equal to 1 micrometer |
| Total patents | 64 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 7 |
| 2020 | 11 |
| 2021 | 13 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Radiopaque crosslinked acrylamide copolymers and uses thereof
US-2024293583-A1 · Sep 5, 2024 · US
Encapsulated gas or partial vacuum ct contrast material
US-2024237959-A1 · Jul 18, 2024 · US
Radiopaque polymers
US-11957755-B2 · Apr 16, 2024 · US
Biodegradable radiopaque microsphere
US-2024058479-A1 · Feb 22, 2024 · US
Medical device for detecting fluid parameters using fluorescent probes
US-11872355-B2 · Jan 16, 2024 · US
Spray-dried metal-organic frameworks for treatment and/or diagnosis of pulmonary disease
US-2023398112-A1 · Dec 14, 2023 · US
Implant and biodegradable tissue marker compositions and methods
US-11786612-B2 · Oct 17, 2023 · US
Compositions and methods for using silk-elastinlike protein-based polymers
US-2023218723-A1 · Jul 13, 2023 · US
Low x-ray attenuation change hard shelled oral contrast material
US-2022401587-A1 · Dec 22, 2022 · US
Imageable polymers, methods of making and methods of use thereof
US-11382990-B2 · Jul 12, 2022 · US
Implants and biodegradable tissue markers
US-2022125954-A1 · Apr 28, 2022 · US
Encapsulated gas or partial vacuum ct contrast material
US-2022096030-A1 · Mar 31, 2022 · US
Medical device for detecting fluid parameters using fluorescent probes
US-2022072273-A1 · Mar 10, 2022 · US
Intelligent organization of medical study timeline by order codes
US-11189026-B2 · Nov 30, 2021 · US
Drug concentration determination after transarterial chemoembolization with different sized drug-eluting microsphere beads
US-11172896-B2 · Nov 16, 2021 · US
Echolucent implant composition and methods
US-11160883-B2 · Nov 2, 2021 · US
Echolucent implant compositions and methods
US-11154624-B2 · Oct 26, 2021 · US
Loadable polymeric particles for therapeutic and/or diagnostic applications and methods of preparing and using the same
US-2021290555-A1 · Sep 23, 2021 · US
Radiopaque polymers
US-2021275674-A1 · Sep 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A61K49/0419?
- CPC A61K49/0419 is the Cooperative Patent Classification code for “Microparticles, microbeads, microcapsules, microspheres, i.e. having a size or diameter higher or equal to 1 micrometer.”
- How many patents are filed under CPC A61K49/0419 (Microparticles, microbeads, microcapsules, microspheres, i.e. having a size or diameter higher or equal to 1 micrometer)?
- Our database includes 64 publications tagged with this CPC code.
- Is patent activity under CPC A61K49/0419 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).