Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
US-10876186-B2 · Dec 29, 2020 · US
with the aid of microorganisms or enzymes, e.g. bacteria or algae
with the aid of microorganisms or enzymes, e.g. bacteria or algae · 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 | C22B3/18 |
| Official title | with the aid of microorganisms or enzymes, e.g. bacteria or algae |
| Display label | with the aid of microorganisms or enzymes, e.g. bacteria or algae |
| Total patents | 116 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 14 |
| 2020 | 23 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 17 |
| 2025 | 9 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
US-10876187-B2 · Dec 29, 2020 · US
Mineral beneficiation method using bioreagent extracted from gram positive bacteria
US-2020346224-A1 · Nov 5, 2020 · US
Heap leaching
US-10815550-B2 · Oct 27, 2020 · US
Process for leaching metal sulfides with reagents having thiocarbonyl functional groups
US-10781502-B2 · Sep 22, 2020 · US
Methods and systems for leaching a metal-bearing ore using a bio-augmentation process
US-10767242-B2 · Sep 8, 2020 · US
Engineered yeast as a method for bioremediation
US-10766798-B2 · Sep 8, 2020 · US
Compositions and methods of use thereof for rare earth element separation
US-2020277684-A1 · Sep 3, 2020 · US
Leaching aids and methods of using leaching aids
US-10745778-B2 · Aug 18, 2020 · US
Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
US-2020181735-A1 · Jun 11, 2020 · US
Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
US-2020181736-A1 · Jun 11, 2020 · US
Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
US-2020181733-A1 · Jun 11, 2020 · US
Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
US-2020181732-A1 · Jun 11, 2020 · US
Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
US-2020181737-A1 · Jun 11, 2020 · US
Process for Leaching Metal Sulfides with Reagents Having Thiocarbonyl Functional Groups
US-2020149131-A1 · May 14, 2020 · US
Leaching copper-containing ores
US-10563287-B2 · Feb 18, 2020 · US
Leaching copper-containing ores
US-10563284-B2 · Feb 18, 2020 · US
Heap Leaching
US-2019382869-A1 · Dec 19, 2019 · US
Peptide binding to arsenic-containing mineral and use thereof
US-2019345201-A1 · Nov 14, 2019 · US
Leaching Copper-Containing Ores
US-2019345581-A1 · Nov 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C22B3/18?
- CPC C22B3/18 is the Cooperative Patent Classification code for “with the aid of microorganisms or enzymes, e.g. bacteria or algae.”
- How many patents are filed under CPC C22B3/18 (with the aid of microorganisms or enzymes, e.g. bacteria or algae)?
- Our database includes 116 publications tagged with this CPC code.
- Is patent activity under CPC C22B3/18 growing?
- Publication counts under this code: 17 in 2024 vs 9 in 2025 (latest complete years).