Sheet, sealing material, fuel battery, electrolysis cell, method for producing sheet, and method for producing sealing material
US-2026045524-A1 · Feb 12, 2026 · US
Micas {; Interstratified clay-mica products (delaminated mica or vermiculite platelets obtained by a process involving cation-exchange C04B14/208)}
Micas {; Interstratified clay-mica products (delaminated mica or vermiculite platelets obtained by a process involving cation-exchange C04B14/208)} · 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 | C01B33/42 |
| Official title | Micas {; Interstratified clay-mica products (delaminated mica or vermiculite platelets obtained by a process involving cation-exchange C04B14/208)} |
| Display label | Micas {; Interstratified clay-mica products (delaminated mica or vermiculite platelets obtained by a process involving cation-exchange C04B14/208)} |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 1 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for recycling waste aramid-mica composite paper
US-12351982-B2 · Jul 8, 2025 · US
Inorganic foam
US-2025154073-A1 · May 15, 2025 · US
Surface-coated particles
US-2025049695-A1 · Feb 13, 2025 · US
Corona-resistant N-grade insulation paper for variable frequency motor and preparation method thereof
US-12110638-B1 · Oct 8, 2024 · US
Method for preparing self-floating transparent nano ultrathin film
US-11731374-B2 · Aug 22, 2023 · US
Method for preparing self-floating transparent nano ultrathin film
US-2023191718-A1 · Jun 22, 2023 · US
Method for recycling waste aramid-mica composite paper
US-2022340730-A1 · Oct 27, 2022 · US
Cold crucible comprising metal oxide barrier and method for manufacturing same
US-11391516-B2 · Jul 19, 2022 · US
Layered silicate powder granules and method for producing the same
US-11111151-B2 · Sep 7, 2021 · US
Co-synthesis of phyllominerals with metallic particles and products obtained there-from
US-2021230009-A1 · Jul 29, 2021 · US
Mica coated with metal oxide as a flame retardant
US-10988693-B2 · Apr 27, 2021 · US
Layered-substance-containing solution and method of manufacturing same
US-10946360-B2 · Mar 16, 2021 · US
Method for extracting a mineral from biotites
US-2021009433-A1 · Jan 14, 2021 · US
Complex of lamellar inorganic compound and organic compound and method of producing thereof, delaminated lamellar inorganic compound and method of producing thereof, insulating resin composition, resin sheet, insulator, resin sheet cured product, and heat dissipating member
US-2020216324-A1 · Jul 9, 2020 · US
Silicate coated article and method for producing same
US-2019359830-A1 · Nov 28, 2019 · US
Cold crucible comprising metal oxide barrier and method for manufacturing same
US-2019331422-A1 · Oct 31, 2019 · US
Layered silicate powder granules and method for producing the same
US-2019263667-A1 · Aug 29, 2019 · US
Mica-made member, electrochemical reaction unit, and electrochemical reaction cell stack
US-2019218104-A1 · Jul 18, 2019 · US
Process for the continuous preparation of phyllomineral synthetic particles
US-10221072-B2 · Mar 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B33/42?
- CPC C01B33/42 is the Cooperative Patent Classification code for “Micas {; Interstratified clay-mica products (delaminated mica or vermiculite platelets obtained by a process involving cation-exchange C04B14/208)}.”
- How many patents are filed under CPC C01B33/42 (Micas {; Interstratified clay-mica products (delaminated mica or vermiculite platelets obtained by a process involving cation-exchange C04B14/208)})?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C01B33/42 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).