Method for producing lithium difluorophosphate
US-2019389726-A1 · Dec 26, 2019 · 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 | C01B25/455 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 131 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 10 |
| 2017 | 14 |
| 2018 | 15 |
| 2019 | 14 |
| 2020 | 12 |
| 2021 | 13 |
| 2022 | 4 |
| 2023 | 18 |
| 2024 | 7 |
| 2025 | 7 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid process for preparing a vanadium phosphate-carbon composite material
US-2019393492-A1 · Dec 26, 2019 · US
Phosphor
US-2019382657-A1 · Dec 19, 2019 · US
Lithium salt compound, nonaqueous electrolyte solution using same, lithium ion secondary battery and lithium ion capacitor
US-10446871-B2 · Oct 15, 2019 · US
Positive electrode active material for potassium ion battery, positive electrode for potassium ion battery, and potassium ion battery
US-2019280299-A1 · Sep 12, 2019 · US
Production of unsaturated carboxylic acids or acid esters with a haloapatite-based catalyst
US-10369551-B2 · Aug 6, 2019 · US
Method for producing a positive electrode material comprising at least one Na-based solid crystalline phase by ball milling using Na3P
US-2019181447-A1 · Jun 13, 2019 · US
Apatite in-situ restoration
US-2018345174-A1 · Dec 6, 2018 · US
Process for reducing propylene chlorohydrin in hydroxypropylated products
US-2018319902-A1 · Nov 8, 2018 · US
Method for preparing a na3v2(po4)2f3 particulate material
US-2018297847-A1 · Oct 18, 2018 · US
Apatite in-situ restoration
US-10099157-B2 · Oct 16, 2018 · US
Apatite in-situ restoration
US-10092857-B2 · Oct 9, 2018 · US
Apparatus and method for mineralising biological material
US-10076392-B2 · Sep 18, 2018 · US
Method to synthesize Na-based electroactive materials
US-2018190987-A1 · Jul 5, 2018 · US
Lithium salt compound, nonaqueous electrolyte solution using same, lithium ion secondary battery and lithium ion capacitor
US-2018159173-A1 · Jun 7, 2018 · US
Method for purifying difluorophosphate
US-2018118570-A1 · May 3, 2018 · US
Method for producing difluorophospate
US-9944525-B2 · Apr 17, 2018 · US
In situ restoration of apatite-based chromatography resins
US-2018086638-A1 · Mar 29, 2018 · US
Production of high-purity lithium fluoride
US-9923232-B2 · Mar 20, 2018 · US
Rubidium uranium fluoride-based crystals and methods of fabrication
US-9909229-B2 · Mar 6, 2018 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B25/455?
- CPC C01B25/455 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B25/455 (Chemistry & Metallurgy)?
- Our database includes 131 publications tagged with this CPC code.
- Is patent activity under CPC C01B25/455 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).