Process for preparing a surface treated calcium carbonate material
US-12479973-B2 · Nov 25, 2025 · US
Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties · 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 | C09C3/00 |
| Official title | Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties |
| Display label | Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 8 |
| 2018 | 8 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reducing hygroscopicity of a mineral material
US-12234360-B2 · Feb 25, 2025 · US
Production of pigments having a defined size and shape
US-12129386-B2 · Oct 29, 2024 · US
Soft magnetic nanowire, coating material comprising same, and laminated body obtained by applying coating material
US-2024282490-A1 · Aug 22, 2024 · US
Pigment, cosmetic material, ink, coating material, toner, and molded article
US-2024101831-A1 · Mar 28, 2024 · US
Aqueous pigment dispersions
US-11649367-B2 · May 16, 2023 · US
Aqueous pigment dispersions
US-2023049112-A1 · Feb 16, 2023 · US
Aqueous pigment dispersions
US-11479687-B2 · Oct 25, 2022 · US
Dispersion liquid, composition, sealing member, light-emitting device, illumination tool, display device, and method for producing light-emitting device
US-11359072-B2 · Jun 14, 2022 · US
Automotive coatings with non-spherical photonic structural colorants
US-2022162457-A1 · May 26, 2022 · US
Process for preparing a surface treated calcium carbonate material
US-2022135765-A1 · May 5, 2022 · US
Production of pigments having a defined size and shape
US-2022119655-A1 · Apr 21, 2022 · US
Reducing hygroscopicity of a mineral material
US-2022081569-A1 · Mar 17, 2022 · US
Composite material
US-2021269644-A1 · Sep 2, 2021 · US
Method for testing the in situ silanization of bright fillers
US-10988602-B2 · Apr 27, 2021 · US
Composite material with enhanced mechanical properties and a method to fabricate the same
US-10836901-B2 · Nov 17, 2020 · US
Improved aqueous pigment dispersions
US-2020190351-A1 · Jun 18, 2020 · US
Pigment powders
US-10676619-B2 · Jun 9, 2020 · US
Dispersion liquid, composition, sealing member, light-emitting device, illumination tool, display device, and method for producing light-emitting device
US-2020115530-A1 · Apr 16, 2020 · US
Porous plate-shaped filler, heat insulation film, and method for producing porous plate-shaped filler
US-10317004-B2 · Jun 11, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09C3/00?
- CPC C09C3/00 is the Cooperative Patent Classification code for “Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties.”
- How many patents are filed under CPC C09C3/00 (Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC C09C3/00 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).