Resin-coated metal powder, method for producing same and aqueous coating composition using same
US-12497518-B2 · Dec 16, 2025 · US
Compounds of iron {(C09C1/0009, C09C1/0015, C09C1/0078 take precedence)}
Compounds of iron {(C09C1/0009, C09C1/0015, C09C1/0078 take precedence)} · 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 | C09C1/22 |
| Official title | Compounds of iron {(C09C1/0009, C09C1/0015, C09C1/0078 take precedence)} |
| Display label | Compounds of iron {(C09C1/0009, C09C1/0015, C09C1/0078 take precedence)} |
| Total patents | 50 |
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 | 6 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 11 |
| 2020 | 6 |
| 2021 | 6 |
| 2022 | 5 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Metal particle composition, method for producing metal particle composition, and paste
US-12221550-B2 · Feb 11, 2025 · US
Nanoparticles and process of producing same
US-2024286918-A1 · Aug 29, 2024 · US
Resin-coated metal powder, method for producing same and aqueous coating composition using same
US-2024052172-A1 · Feb 15, 2024 · US
Layered ferric rust and iron hydroxide nanoparticles including the same
US-2023347315-A1 · Nov 2, 2023 · US
Metal particle composition, method for producing metal particle composition, and paste
US-2023060171-A1 · Mar 2, 2023 · US
Composite pigment and production method thereof, paint composition containing composite pigment, and coating film
US-11512205-B2 · Nov 29, 2022 · US
Iron nitride nanoparticle suspension
US-2022354973-A1 · Nov 10, 2022 · US
Composite pigment and production method thereof, paint composition containing composite pigment, and coating film
US-11339298-B2 · May 24, 2022 · US
Silicon coated metal microparticles, silicon compound coated metal microparticles, and production method thereof
US-2022112090-A1 · Apr 14, 2022 · US
Method for producing oxide particles with controlled color characteristics
US-11247912-B2 · Feb 15, 2022 · US
Method of producing silicon compound coated oxide particles, silicon compound coated oxide particles, and silicon compound coated oxide composition containing the same
US-11052461-B2 · Jul 6, 2021 · US
Oxide particles with controlled color characteristics, and coating composition or film-like composition containing said oxide particles
US-11033960-B2 · Jun 15, 2021 · US
Silicon compound-coated metal particles
US-2021154736-A1 · May 27, 2021 · US
Processes for producing effects layers
US-10933442-B2 · Mar 2, 2021 · US
Ultraviolet and/or near-infrared blocking agent composition for transparent material
US-10906097-B2 · Feb 2, 2021 · US
Silicon compound-coated metal particles
US-10882109-B2 · Jan 5, 2021 · US
Coated pigments for coloring PVC
US-10870743-B2 · Dec 22, 2020 · US
Epsilon iron oxide and method for producing the same, magnetic coating material and magnetic recording medium
US-10807880-B2 · Oct 20, 2020 · US
Iron particle passivation
US-10774218-B2 · Sep 15, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09C1/22?
- CPC C09C1/22 is the Cooperative Patent Classification code for “Compounds of iron {(C09C1/0009, C09C1/0015, C09C1/0078 take precedence)}.”
- How many patents are filed under CPC C09C1/22 (Compounds of iron {(C09C1/0009, C09C1/0015, C09C1/0078 take precedence)})?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC C09C1/22 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).