Method for removing phosphorus from phosphorus-containing substance, method for manufacturing raw material for metal smelting or raw material for metal refining, and method for manufacturing metal
US-12584187-B2 · Mar 24, 2026 · US
containing phosphorus atoms
containing phosphorus atoms · 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 | C01B21/097 |
| Official title | containing phosphorus atoms |
| Display label | containing phosphorus atoms |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 3 |
| 2017 | 4 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 4 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Apparatus for manufacturing quantum dot and quantum dot manufacturing method using the same
US-12145122-B2 · Nov 19, 2024 · US
Copper-containing bimetallic structures, syntheses thereof, and uses thereof
US-11833497-B2 · Dec 5, 2023 · US
Phosphorus nitride adsorbent with high-efficiency selectivity and its applications in removing uranium pollution and extracting uranium from seawater
US-11638906-B2 · May 2, 2023 · US
Phosphorus nitride adsorbent with high-efficiency selectivity and its applications in removing uranium pollution and extracting uranium from seawater
US-2023080965-A1 · Mar 16, 2023 · US
Method for removing phosphorus from phosphorus-containing substance, method for manufacturing raw material for metal smelting or raw material for metal refining, and method for manufacturing metal
US-2022372591-A1 · Nov 24, 2022 · US
Copper-containing bimetallic structures, syntheses thereof, and uses thereof
US-2022331788-A1 · Oct 20, 2022 · US
Method for manufacturing positive active material, and positive active material and lithium secondary battery using same
US-11444275-B2 · Sep 13, 2022 · US
Nitride phosphor and method for producing nitride phosphor
US-11279875-B2 · Mar 22, 2022 · US
Method for producing phosphoryl imide salt, method for producing nonaqueous electrolyte solution containing said salt, and method for producing nonaqueous secondary battery
US-11230564-B2 · Jan 25, 2022 · US
Apparatus for manufacturing quantum dot and quantum dot manufacturing method using the same
US-2021229060-A1 · Jul 29, 2021 · US
Method for manufacturing negative active material, and negative active material and lithium secondary battery using same
US-10971754-B2 · Apr 6, 2021 · US
Solid electrolyte, all-solid-state lithium-ion secondary battery, production method for solid electrolyte
US-10964974-B2 · Mar 30, 2021 · US
Method for producing phosphoryl imide salt, method for producing nonaqueous electrolyte solution containing said salt, and method for producing nonaqueous secondary battery
US-2021054005-A1 · Feb 25, 2021 · US
Method for producing phosphoryl imide salt, method for producing nonaqueous electrolyte solution containing said salt, and method for producing nonaqueous secondary battery
US-10851124-B2 · Dec 1, 2020 · US
Nitride phosphor and method for producing nitride phosphor
US-2020148947-A1 · May 14, 2020 · US
Method for producing phosphoryl imide salt, method for producing nonaqueous electrolyte solution containing said salt, and method for producing nonaqueous secondary battery
US-2020115401-A1 · Apr 16, 2020 · US
Method for manufacturing negative active material, and negative active material and lithium secondary battery using same
US-2020112051-A1 · Apr 9, 2020 · US
Method for manufacturing positive active material, and positive active material and lithium secondary battery using same
US-2020020934-A1 · Jan 16, 2020 · US
Lithiated carbon phosphonitride extended solids
US-10510458-B2 · Dec 17, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B21/097?
- CPC C01B21/097 is the Cooperative Patent Classification code for “containing phosphorus atoms.”
- How many patents are filed under CPC C01B21/097 (containing phosphorus atoms)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC C01B21/097 growing?
- Publication counts under this code: 3 in 2023 vs 1 in 2024 (latest complete years).