Method of preparing lithium sulfide
US-2025145484-A1 · May 8, 2025 · US
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Purification
Purification · 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 | C01B17/36 |
| Official title | Purification |
| Display label | Purification |
| Total patents | 14 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2021 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lithium ion conducting sulfide glass fabrication
US-12294050-B2 · May 6, 2025 · US
Method for producing lithium sulfide
US-2024417253-A1 · Dec 19, 2024 · US
Method of producing lithium sulfide without using hydrogen sulfide gas
US-2024166515-A1 · May 23, 2024 · US
Lithium sulfide production method
US-2023150828-A1 · May 18, 2023 · US
Lithium sulfide production method
US-2023150819-A1 · May 18, 2023 · US
Lithium sulfide production method
US-2023150818-A1 · May 18, 2023 · US
Lithium ion conducting sulfide glass fabrication
US-2021320328-A1 · Oct 14, 2021 · US
Method for polysulfide production in a kraft pulp mill
US-2018112355-A1 · Apr 26, 2018 · US
Method for producing particles
US-9868645-B2 · Jan 16, 2018 · US
Solid electrolyte composition, method for producing same, method for producing solid electrolyte-containing layer, electrolyte layer, and battery
US-2017214081-A1 · Jul 27, 2017 · US
Method for producing particles
US-2017152150-A1 · Jun 1, 2017 · US
Glass particles
US-2016043433-A1 · Feb 11, 2016 · US
Glass particles
US-9196925-B2 · Nov 24, 2015 · US