Hydrolytic and calcination method for forming hollow silica particles
US-12139411-B2 · Nov 12, 2024 · US
Thick layer coatings
Thick layer coatings · 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 | C01P2004/88 |
| Official title | Thick layer coatings |
| Display label | Thick layer coatings |
| Total patents | 65 |
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 | 5 |
| 2016 | 5 |
| 2017 | 10 |
| 2018 | 4 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 8 |
| 2022 | 5 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of Producing Positive Electrode Active Material, Positive Electrode Active Material, and All-Solid-State Battery
US-2024243262-A1 · Jul 18, 2024 · US
Water-based hydrolysis method for forming hollow particles
US-12017922-B2 · Jun 25, 2024 · US
Production method for core-shell porous silica particles
US-11964253-B2 · Apr 23, 2024 · US
Carbon nanohorns composite material with microwave absorption and tunable absorption bands and method for preparing the same
US-11827518-B1 · Nov 28, 2023 · US
Black titanium dioxide LiDAR reflecting particles and vehicles comprising the same
US-11795329-B2 · Oct 24, 2023 · US
Positive Electrode Active Material For Lithium Secondary Battery, Method For Preparing The Same And Lithium Secondary Battery Including The Same
US-2023317930-A1 · Oct 5, 2023 · US
Positive electrode active material for lithium secondary battery, method for preparing the same and lithium secondary battery including the same
US-11735721-B2 · Aug 22, 2023 · US
Carbon-coated particles
US-11692081-B2 · Jul 4, 2023 · US
Cathode active material of lithium secondary battery
US-11677065-B2 · Jun 13, 2023 · US
Dielectric powder and multilayer capacitor using the same
US-11574775-B2 · Feb 7, 2023 · US
Black Aluminum Pigment and Method of Producing Same
US-2022177708-A1 · Jun 9, 2022 · US
Cathode active material of lithium secondary battery
US-2022140315-A1 · May 5, 2022 · US
Carbon-coated particles
US-2022056241-A1 · Feb 24, 2022 · US
Cathode active material of lithium secondary battery
US-11258055-B2 · Feb 22, 2022 · US
Multi-stage calcination method for making hollow silica spheres
US-11242256-B2 · Feb 8, 2022 · US
Carbon coated particles
US-11198774-B2 · Dec 14, 2021 · US
Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing same, and nonaqueous electrolyte secondary battery using said positive electrode active material
US-11171326-B2 · Nov 9, 2021 · US
Production method for core-shell porous silica particles
US-2021260563-A1 · Aug 26, 2021 · US
Water-based hydrolysis method for forming hollow particles
US-2021238043-A1 · Aug 5, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01P2004/88?
- CPC C01P2004/88 is the Cooperative Patent Classification code for “Thick layer coatings.”
- How many patents are filed under CPC C01P2004/88 (Thick layer coatings)?
- Our database includes 65 publications tagged with this CPC code.
- Is patent activity under CPC C01P2004/88 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).