Precious metal catalyst briquettes, process for the manufacture and for the inceneration thereof
US-12390798-B2 · Aug 19, 2025 · US
from spent catalysts
from spent catalysts · 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 | C22B11/026 |
| Official title | {from spent catalysts} |
| Display label | from spent catalysts |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for the production of a collector alloy comprising precious metal or of pure silver
US-12359283-B2 · Jul 15, 2025 · US
Method for comminuting spent, catalyst-coated polymer electrolyte membranes
US-2025183328-A1 · Jun 5, 2025 · US
Method for producing a PGM collector alloy
US-12060624-B2 · Aug 13, 2024 · US
Method for the recovery of platinum group metals from catalysts comprising silicon carbide
US-11879164-B2 · Jan 23, 2024 · US
Method for recycling hydrogen fuel cell of new energy vehicle
US-11699796-B1 · Jul 11, 2023 · US
Method for recycling hydrogen fuel cell of new energy vehicle
US-2023197976-A1 · Jun 22, 2023 · US
Method for the production of a collector alloy comprising precious metal or of pure silver
US-2023078641-A1 · Mar 16, 2023 · US
Method for the recovery of platinum group metals from catalysts comprising silicon carbide
US-2023034873-A1 · Feb 2, 2023 · US
Method for platinum group metals recovery from spent catalysts
US-11473168-B2 · Oct 18, 2022 · US
Method for recovering pgm
US-2022259697-A1 · Aug 18, 2022 · US
Method for producing a pgm collector alloy
US-2022154306-A1 · May 19, 2022 · US
Precious metal catalyst briquettes, process for the manufacture and for the inceneration thereof
US-2021362133-A1 · Nov 25, 2021 · US
Method for Recovering Gold, Silver and Platinum Metals from Components of a Fuel Cell Stack or of an Electrolyzer
US-2021310098-A1 · Oct 7, 2021 · US
Process and device for burn-off of precious metal-containing materials
US-10724116-B2 · Jul 28, 2020 · US
Process for the recovery of precious metal from petrochemical process residues
US-10662500-B2 · May 26, 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
Process for the incineration of activated coal-supported PGM catalysts
US-10393374-B2 · Aug 27, 2019 · US
Process for the recovery of precious metal from petrochemical process residues
US-2019226053-A1 · Jul 25, 2019 · US
Process for the production of a PGM-enriched alloy
US-10323302-B2 · Jun 18, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B11/026?
- CPC C22B11/026 is the Cooperative Patent Classification code for “from spent catalysts.”
- How many patents are filed under CPC C22B11/026 (from spent catalysts)?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C22B11/026 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).