Composition including dual cavity color shifting pigments
US-2026098158-A1 · Apr 9, 2026 · US
Thickness of a layer with low refractive material
Thickness of a layer with low refractive material · 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 | C09C2200/303 |
| Official title | Thickness of a layer with low refractive material |
| Display label | Thickness of a layer with low refractive material |
| Total patents | 56 |
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 | 2 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 10 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Asymmetric pigment
US-12552940-B2 · Feb 17, 2026 · US
Non-conductive pigments in a multi-layer film and methods of making
US-2025383490-A1 · Dec 18, 2025 · US
Coated metal effect pigments, method of production and use thereof
US-2025236736-A2 · Jul 24, 2025 · US
Al2o3 flakes
US-2025188293-A1 · Jun 12, 2025 · US
High chroma flakes
US-12275852-B2 · Apr 15, 2025 · US
Effect pigments coated with organic binders for powder paints, and a method for producing said coated effect pigments and their use
US-12157830-B2 · Dec 3, 2024 · US
Coated metal effect pigments, method of production and use thereof
US-2024228788-A1 · Jul 11, 2024 · US
Effect pigments
US-11773270-B2 · Oct 3, 2023 · US
Method for forming radiation shield and related inorganic structural color paint pigments with different nanoparticle sizes and layer thicknesses
US-2023303865-A1 · Sep 28, 2023 · US
Effect pigments coated with organic binders for powder paints, and a method for producing said coated effect pigments and their use
US-2023250298-A1 · Aug 10, 2023 · US
Effect pigments coated with organic binders for powders paints, and a method for producing said coated effect pigments and their use
US-11702552-B2 · Jul 18, 2023 · US
Interference pigment
US-11692100-B2 · Jul 4, 2023 · US
Glitter pigment, pigment-containing composition, and pigment-containing painted product
US-11634586-B2 · Apr 25, 2023 · US
Particles with improved colour shielding
US-11596582-B2 · Mar 7, 2023 · US
Effect pigments
US-2022220315-A1 · Jul 14, 2022 · US
High chroma flakes
US-2022089878-A1 · Mar 24, 2022 · US
High chroma flakes
US-11214689-B2 · Jan 4, 2022 · US
Pigment mixture
US-2021322285-A1 · Oct 21, 2021 · US
LiDAR reflecting dark colored pigments and vehicles comprising the same
US-11118062-B2 · Sep 14, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09C2200/303?
- CPC C09C2200/303 is the Cooperative Patent Classification code for “Thickness of a layer with low refractive material.”
- How many patents are filed under CPC C09C2200/303 (Thickness of a layer with low refractive material)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC C09C2200/303 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).