Organic compound, perovskite precursor solution, perovskite film, perovskite cell, and electric apparatus
US-2025386725-A1 · Dec 18, 2025 · US
Phosphates (perphosphates C01B15/16)
Phosphates (perphosphates C01B15/16) · 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 | C01B25/26 |
| Official title | Phosphates (perphosphates C01B15/16) |
| Display label | Phosphates (perphosphates C01B15/16) |
| Total patents | 57 |
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 | 5 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 9 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Positive active material precursor for rechargeable lithium battery, positive active material for rechargeable lithium battery, method of preparing the positive active material, and rechargeable lithium battery including the positive active material
US-12438152-B2 · Oct 7, 2025 · US
Low temperature synthesis of monazite-type materials
US-2025270090-A1 · Aug 28, 2025 · US
Aerogel compositions for high temperature applications
US-12168747-B2 · Dec 17, 2024 · US
Non-aqueous electrolyte solution for lithium secondary battery and lithium secondary battery comprising same
US-12136701-B2 · Nov 5, 2024 · US
Aerogel compositions for high temperature applications
US-2024360363-A1 · Oct 31, 2024 · US
Aqueous biological systems with reduced phosphate levels and methods of reducing phosphate levels
US-2024254528-A1 · Aug 1, 2024 · US
Non-Aqueous Electrolyte Solution for Lithium Secondary Battery and Lithium Secondary Battery Comprising Same
US-2024178447-A1 · May 30, 2024 · US
Negative thermal expansion material, composite material, and method for producing negative thermal expansion material
US-11970396-B2 · Apr 30, 2024 · US
Phosphorus control for waste streams from glyphosate manufacturing processes
US-11964892-B2 · Apr 23, 2024 · US
Positive electrode and lithium-ion battery
US-11929483-B2 · Mar 12, 2024 · US
Ionically conductive powders and films, and methods of preparation
US-11807543-B2 · Nov 7, 2023 · US
Method for preparing a vanadium phosphate
US-11655151-B2 · May 23, 2023 · US
Aerogel compositions for high temperature applications
US-11634641-B2 · Apr 25, 2023 · US
Aerogel compositions with enhanced performance
US-11549059-B2 · Jan 10, 2023 · US
Phosphorus control for waste streams from glyphosate manufacturing processes
US-2022162106-A1 · May 26, 2022 · US
Phosphorus control for waste streams from glyphosate manufacturing processes
US-11279644-B2 · Mar 22, 2022 · US
Aerogel compositions for high temperature applications
US-11261380-B2 · Mar 1, 2022 · US
Negative thermal expansion material, composite material, and method for producing negative thermal expansion material
US-2021363012-A1 · Nov 25, 2021 · US
Aerogel compositions for high temperature applications
US-2021207032-A1 · Jul 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B25/26?
- CPC C01B25/26 is the Cooperative Patent Classification code for “Phosphates (perphosphates C01B15/16).”
- How many patents are filed under CPC C01B25/26 (Phosphates (perphosphates C01B15/16))?
- Our database includes 57 publications tagged with this CPC code.
- Is patent activity under CPC C01B25/26 growing?
- Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).