Leaching agent composition and method of removing metal from catalyst material
US-2024175105-A1 · May 30, 2024 · US
General processes for recovering metals or metallic compounds from spent catalysts (for recovering specific metals C22B11/00 - C22B61/00)
General processes for recovering metals or metallic compounds from spent catalysts (for recovering specific metals C22B11/00 - C22B61/00) · 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 | C22B7/009 |
| Official title | {General processes for recovering metals or metallic compounds from spent catalysts (for recovering specific metals C22B11/00 - C22B61/00)} |
| Display label | General processes for recovering metals or metallic compounds from spent catalysts (for recovering specific metals C22B11/00 - C22B61/00) |
| Total patents | 103 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 10 |
| 2017 | 15 |
| 2018 | 9 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 11 |
| 2024 | 10 |
| 2025 | 13 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the selective recovery of transition metals from organic residues
US-2021388462-A1 · Dec 16, 2021 · US
Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries
US-11005129-B2 · May 11, 2021 · US
Syngas production and recovery of active phase metals from gasifier slag containing spent catalyst
US-2021130718-A1 · May 6, 2021 · US
Methods for purifying and recycling lead from spent lead-acid batteries
US-2020411921-A1 · Dec 31, 2020 · US
Methods for purifying and recycling lead from spent lead-acid batteries
US-10777858-B2 · Sep 15, 2020 · US
Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries
US-2020235443-A1 · Jul 23, 2020 · US
Method of selective extraction of platinoids, from a support containing same, with an extraction medium consisting of a supercritical fluid and an organic ligand
US-10494695-B2 · Dec 3, 2019 · US
Method for recovering vanadium and tungsten from leach solution of waste denitrification catalyst
US-10415117-B2 · Sep 17, 2019 · US
Systems and methods for closed-loop recycling of a liquid component of a leaching mixture when recycling lead from spent lead-acid batteries
US-10403940-B2 · Sep 3, 2019 · US
Rhenium recovery from used reductive amination catalysts
US-10399064-B2 · Sep 3, 2019 · US
Method for removing cobalt deposits in a high-pressure olefin hydroformylation reactor
US-10385422-B2 · Aug 20, 2019 · US
Process for recovering a metallic component
US-10336671-B2 · Jul 2, 2019 · US
Extraction of selected platinum-group metals from supported catalyst
US-2019161824-A1 · May 30, 2019 · US
Polymer-supported chelating agent
US-2018339286-A1 · Nov 29, 2018 · US
Systems and methods for purifying and recycling lead from spent lead-acid batteries
US-10122052-B2 · Nov 6, 2018 · US
Method for separation of chemically pure Os from metal mixtures
US-10087503-B2 · Oct 2, 2018 · US
System and Method for Recovering Catalytic Precious Metal from Aqueous Galvanic Processing Solution
US-2018245178-A1 · Aug 30, 2018 · US
Process for recovering a metallic component
US-2018244594-A1 · Aug 30, 2018 · US
Safe unloading and disposal of ionic liquid catalyst contaminated spent solids
US-10052510-B2 · Aug 21, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B7/009?
- CPC C22B7/009 is the Cooperative Patent Classification code for “General processes for recovering metals or metallic compounds from spent catalysts (for recovering specific metals C22B11/00 - C22B61/00).”
- How many patents are filed under CPC C22B7/009 (General processes for recovering metals or metallic compounds from spent catalysts (for recovering specific metals C22B11/00 - C22B61/00))?
- Our database includes 103 publications tagged with this CPC code.
- Is patent activity under CPC C22B7/009 growing?
- Publication counts under this code: 10 in 2024 vs 13 in 2025 (latest complete years).