Organic compound, perovskite precursor solution, perovskite film, perovskite cell, and electric apparatus
US-2025386725-A1 · Dec 18, 2025 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01B25/163 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 4 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Aluminum phosphite-based complex with dual-peak thermal gravity decomposition characteristics and preparation method and use thereof
US-12344789-B2 · Jul 1, 2025 · US
Non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery comprising same
US-12136701-B2 · Nov 5, 2024 · US
Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Comprising Same
US-2024178447-A1 · May 30, 2024 · US
Crystalline aluminum phosphite, preparation method and application thereof
US-11787921-B2 · Oct 17, 2023 · US
Method for producing lithium difluorophosphate
US-11738998-B2 · Aug 29, 2023 · US
Aluminum phosphite-based complex with dual-peak thermal gravity decomposition characteristics and preparation method and use thereof
US-2023015188-A1 · Jan 19, 2023 · US
Process for the production of a fertilizer
US-2022306471-A1 · Sep 29, 2022 · US
Crystalline aluminum phosphite, preparation method and application thereof
US-2022127434-A1 · Apr 28, 2022 · US
Process for the production of a fertilizer
US-2021163289-A1 · Jun 3, 2021 · US
Method for producing lithium difluorophosphate
US-2019389726-A1 · Dec 26, 2019 · US
Mixed alkali-aluminum phosphites, method for producing same, and the use thereof
US-10421909-B2 · Sep 24, 2019 · US
Mixtures of aluminum phosphite with sparingly soluble aluminum salts and foreign ions, process for the production thereof and the use thereof
US-2019194543-A1 · Jun 27, 2019 · US
Mixtures of aluminum phosphite with sparingly soluble aluminum salts and foreign ions, process for the production thereof and the use thereof
US-10202549-B2 · Feb 12, 2019 · US
Salts of pyrophosphonic acid as flame retardants
US-10035896-B2 · Jul 31, 2018 · US
Mixtures of aluminum hydrogenphosphites with aluminum salts, process for the production thereof and the use thereof
US-9505904-B2 · Nov 29, 2016 · US
Salts of pyrophosphonic acid as flame retardants
US-2016032076-A1 · Feb 4, 2016 · US
Mixtures of aluminium hydrogenphosphites with aluminium salts, process for the production thereof and the use thereof
US-2015299419-A1 · Oct 22, 2015 · US
Mixed Alkali-Aluminum Phosphites, Method For Producing Same, And The Use Thereof
US-2015018464-A1 · Jan 15, 2015 · US
Mixtures of Aluminum Phosphite with Sparingly Soluble Aluminum Salts and Foreign Ions, Process for the Production Thereof and The Use Thereof
US-2015005427-A1 · Jan 1, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B25/163?
- CPC C01B25/163 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B25/163 (Chemistry & Metallurgy)?
- Our database includes 20 publications tagged with this CPC code.
- Is patent activity under CPC C01B25/163 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).