Asymmetric pigment
US-12552940-B2 · Feb 17, 2026 · US
Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle
Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle · 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 | C09C2200/30 |
| Official title | Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle |
| Display label | Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle |
| Total patents | 25 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2019 | 1 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 4 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composition including a color shifting pigment having a different particle size
US-2025382467-A1 · Dec 18, 2025 · US
Optical security element
US-2025289261-A1 · Sep 18, 2025 · US
Composition including a color shifting pigment having a different particle size
US-12365802-B2 · Jul 22, 2025 · US
High chroma flakes
US-12275852-B2 · Apr 15, 2025 · US
Optical devices with colored reflector layer
US-2024369850-A1 · Nov 7, 2024 · US
Optical devices with colored reflector layer
US-12044859-B2 · Jul 23, 2024 · US
α-alumina flakes
US-11891542-B2 · Feb 6, 2024 · US
Alpha-alumina flakes
US-11891541-B2 · Feb 6, 2024 · US
Alpha-alumina flakes
US-2022251403-A1 · Aug 11, 2022 · US
Alpha-alumina flakes
US-2022243076-A1 · Aug 4, 2022 · US
High chroma flakes
US-2022089878-A1 · Mar 24, 2022 · US
High chroma flakes
US-11214689-B2 · Jan 4, 2022 · US
Composition including a color shifting pigment having a different particle size
US-2021163752-A1 · Jun 3, 2021 · US
Asymmetric pigment
US-2021147688-A1 · May 20, 2021 · US
Asymmetric pigment
US-10899930-B2 · Jan 26, 2021 · US
Alpha-alumina flakes
US-2020231827-A1 · Jul 23, 2020 · US
Alpha-alumina flakes
US-2020231828-A1 · Jul 23, 2020 · US
α-alumina flakes
US-10647861-B2 · May 12, 2020 · US
Optical devices with colored reflector layer
US-2020004031-A1 · Jan 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09C2200/30?
- CPC C09C2200/30 is the Cooperative Patent Classification code for “Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle.”
- How many patents are filed under CPC C09C2200/30 (Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle)?
- Our database includes 25 publications tagged with this CPC code.
- Is patent activity under CPC C09C2200/30 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).