Method of depositing abradable coatings under polymer gels
US-10508059-B2 · Dec 17, 2019 · US
Ferroso-ferric oxide (Fe3O4)
Ferroso-ferric oxide (Fe3O4) · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08K2003/2275 |
| Official title | {Ferroso-ferric oxide (Fe3O4)} |
| Display label | Ferroso-ferric oxide (Fe3O4) |
| Total patents | 140 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 14 |
| 2017 | 13 |
| 2018 | 13 |
| 2019 | 11 |
| 2020 | 16 |
| 2021 | 13 |
| 2022 | 12 |
| 2023 | 12 |
| 2024 | 15 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyurethane composite material, article comprising the material and method of manufacture
US-2019300703-A1 · Oct 3, 2019 · US
Ferrite particles, resin compositions and electromagnetic wave shielding material
US-2019300379-A1 · Oct 3, 2019 · US
Materials and Methods for Nucleating Aligned Thermoplastic Crystals While Fabricating Thermoplastic Carbon Fiber Reinforced Polymer Structures
US-2019292336-A1 · Sep 26, 2019 · US
Adhesive compostion
US-2019241772-A1 · Aug 8, 2019 · US
Nanoparticle-polymer fluorescent composite and method of preparing the same
US-2019211196-A1 · Jul 11, 2019 · US
Magnetic nanocapsules as thermolatent polymerization catalysts or initiators
US-2019176121-A1 · Jun 13, 2019 · US
Versatile non-destructive surface modification of carbonaceous materials and process for grafting into polymer matrices
US-10316010-B2 · Jun 11, 2019 · US
Ferrite powder, resin composition, and molded article
US-2019135653-A1 · May 9, 2019 · US
Powder coating material, coated item, and method for producing the coated item
US-2019055413-A1 · Feb 21, 2019 · US
Composition For 3 Dimensional Printing
US-2019040248-A1 · Feb 7, 2019 · US
Ethylene-vinyl alcohol copolymer composition, pellets, multilayer structure, and production method for ethylene-vinyl alcohol copolymer composition
US-2018355163-A1 · Dec 13, 2018 · US
Post-curable precursor of an acrylic-based pressure-sensitive adhesive
US-2018312734-A1 · Nov 1, 2018 · US
Method of manufacturing polymer coated ferromagnetic particles
US-2018273790-A1 · Sep 27, 2018 · US
Pbat resin composition
US-2018215866-A1 · Aug 2, 2018 · US
Anti-corrosion coating sintered at low temperature for steel rebars and coating method
US-2018214910-A1 · Aug 2, 2018 · US
Inductively curable composition
US-10011699-B2 · Jul 3, 2018 · US
Curable organopolysiloxane composition for transducers and applications of such curable silicone composition for transducers
US-9947858-B2 · Apr 17, 2018 · US
Dynamic surfaces
US-9926463-B2 · Mar 27, 2018 · US
Composite materials with magnetically aligned carbon nanoparticles and methods of preparation
US-9892835-B2 · Feb 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K2003/2275?
- CPC C08K2003/2275 is the Cooperative Patent Classification code for “Ferroso-ferric oxide (Fe3O4).”
- How many patents are filed under CPC C08K2003/2275 (Ferroso-ferric oxide (Fe3O4))?
- Our database includes 140 publications tagged with this CPC code.
- Is patent activity under CPC C08K2003/2275 growing?
- Publication counts under this code: 15 in 2024 vs 10 in 2025 (latest complete years).