Photodynamic therapy composition
US-12465651-B2 · Nov 11, 2025 · US
substituting the central metal atom
substituting the central metal atom · 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 | C09B47/085 |
| Official title | {substituting the central metal atom} |
| Display label | substituting the central metal atom |
| Total patents | 50 |
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 | 3 |
| 2017 | 1 |
| 2018 | 6 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 12 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Single vessel solvent based method for making a Zn/Cu composite
US-12129381-B1 · Oct 29, 2024 · US
Phthalocyanine pigment having antibacterial or antiviral effect
US-2024352256-A1 · Oct 24, 2024 · US
Single vessel solvent based method for making a zn/cu composite
US-2024336778-A1 · Oct 10, 2024 · US
Method for synthesizing a micro/nanosphere-containing composite
US-12031043-B2 · Jul 9, 2024 · US
Coloring composition, color filter, pattern forming method, solid-stage imaging element, and image display device
US-12019369-B2 · Jun 25, 2024 · US
Colored photosensitive resin composition
US-11988962-B2 · May 21, 2024 · US
Wastewater purification composition for organic dyes
US-11827792-B2 · Nov 28, 2023 · US
Naphthalocyanine and phthalocyanine particles
US-2023295439-A1 · Sep 21, 2023 · US
Wastewater purification composition for organic dyes
US-2023279232-A1 · Sep 7, 2023 · US
Compound
US-2023279034-A1 · Sep 7, 2023 · US
Color resist material, filter, and preparation method thereof
US-11732137-B2 · Aug 22, 2023 · US
Photosensitizer composite and uses thereof
US-11667793-B2 · Jun 6, 2023 · US
Solar light antibactertal agent
US-11661516-B2 · May 30, 2023 · US
Fluorescent labeling agent and fluorescent dye
US-2023145826-A1 · May 11, 2023 · US
Photodynamic therapy composition
US-2023135597-A1 · May 4, 2023 · US
Photosensitizer composite and uses thereof
US-2023041590-A1 · Feb 9, 2023 · US
Solar light antibacterial agent
US-2023028656-A1 · Jan 26, 2023 · US
Method for synthesizing a micro/nanosphere-containing composite
US-2023002617-A1 · Jan 5, 2023 · US
Metallophthalocyanine-ZnO hollow nanospheres composite
US-11485862-B2 · Nov 1, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09B47/085?
- CPC C09B47/085 is the Cooperative Patent Classification code for “substituting the central metal atom.”
- How many patents are filed under CPC C09B47/085 (substituting the central metal atom)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC C09B47/085 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).