Method of preparing lithium sulfide
US-2025145484-A1 · May 8, 2025 · US
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Preparation by reduction
Preparation by reduction · 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 | C01B17/24 |
| Official title | Preparation by reduction |
| Display label | Preparation by reduction |
| Total patents | 8 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2017 | 1 |
| 2022 | 3 |
| 2024 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing lithium sulfide without using hydrogen sulfide gas
US-2024166515-A1 · May 23, 2024 · US
Processes useful in the manufacture of cyclododecasulfur
US-2022169505-A1 · Jun 2, 2022 · US
Processes useful in the manufacture of cyclododecasulfur
US-2022162761-A1 · May 26, 2022 · US
Processes useful in the manufacture of cyclododecasulfur
US-2022162068-A1 · May 26, 2022 · US
Lithium sulfide-graphene oxide composite material for li/s cells
US-2017233250-A1 · Aug 17, 2017 · US
Lithium sulfide materials and composites containing one or more conductive coatings made therefrom
US-2016329559-A1 · Nov 10, 2016 · US
Durable carbon-coated li2s core-shell materials for high performance lithium/sulfur cells
US-2016248084-A1 · Aug 25, 2016 · US