Solvochromic effect pigments, method of production and use thereof
US-12584022-B2 · Mar 24, 2026 · US
consisting of at least one coloured inorganic material
consisting of at least one coloured inorganic 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 | C09C1/0066 |
| Official title | {consisting of at least one coloured inorganic material} |
| Display label | consisting of at least one coloured inorganic material |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 3 |
| 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
Pigment including a metal core, organic layer, and an inorganic layer
US-12486404-B2 · Dec 2, 2025 · US
Al2o3 flakes
US-2025188293-A1 · Jun 12, 2025 · US
High chroma flakes
US-12275852-B2 · Apr 15, 2025 · US
Embossed effect pigment and method of manufacture of embossed effect pigment
US-12048757-B2 · Jul 30, 2024 · US
Pigment including a metal core, organic layer, and an inorganic layer
US-2024199885-A1 · Jun 20, 2024 · US
Pigment including a metal core, organic layer, and an inorganic layer
US-11898041-B2 · Feb 13, 2024 · US
α-alumina flakes
US-11891542-B2 · Feb 6, 2024 · US
Alpha-alumina flakes
US-11891541-B2 · Feb 6, 2024 · US
Coating pigments and methods of making thereof
US-2024034886-A1 · Feb 1, 2024 · US
Pigment including a metal core, organic layer, and an inorganic layer
US-2023312933-A1 · Oct 5, 2023 · US
Effect pigments
US-11773270-B2 · Oct 3, 2023 · US
Solvochromic effect pigments, method of production and use thereof
US-2023295443-A1 · Sep 21, 2023 · US
Embossed Effect Pigment and Method of Manufacture of Embossed Effect Pigment
US-2023190597-A1 · Jun 22, 2023 · US
Nail varnish composition containing embossed effect pigments and surface-modified embossed effect pigments
US-11617707-B2 · Apr 4, 2023 · 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
Ceramic colours
US-11261333-B2 · Mar 1, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09C1/0066?
- CPC C09C1/0066 is the Cooperative Patent Classification code for “consisting of at least one coloured inorganic material.”
- How many patents are filed under CPC C09C1/0066 (consisting of at least one coloured inorganic material)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C09C1/0066 growing?
- Publication counts under this code: 6 in 2024 vs 3 in 2025 (latest complete years).