Ionically conductive compounds and related uses
US-2018351148-A1 · Dec 6, 2018 · US
Alkali metal sulfides or polysulfides
Alkali metal sulfides or polysulfides · 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 | C01B17/22 |
| Official title | Alkali metal sulfides or polysulfides |
| Display label | Alkali metal sulfides or polysulfides |
| Total patents | 310 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 15 |
| 2017 | 17 |
| 2018 | 24 |
| 2019 | 26 |
| 2020 | 34 |
| 2021 | 26 |
| 2022 | 36 |
| 2023 | 27 |
| 2024 | 51 |
| 2025 | 40 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Production method of solid electrolyte
US-10116002-B2 · Oct 30, 2018 · US
Method of producing lithium ion conductive sulfides comprising simple substances
US-10074871-B2 · Sep 11, 2018 · US
Sulfide solid electrolyte material, battery, and producing method for sulfide solid electrolyte material
US-10020537-B2 · Jul 10, 2018 · US
Method of producing sulfide solid electrolyte material
US-2018183096-A1 · Jun 28, 2018 · US
Method of producing sulfide solid electrolyte
US-2018166740-A1 · Jun 14, 2018 · US
Complex comprising sulfur, a method for manufacturing the same, and a method for manufacturing a solid electrolyte
US-2018162730-A1 · Jun 14, 2018 · US
Preparation method for a positive electrode for lithium-sulphur electrochemical battery
US-2018151870-A1 · May 31, 2018 · US
Solid Electrolyte and Preparing Method Thereof
US-2018138546-A1 · May 17, 2018 · US
Layered-substance-containing solution and method of manufacturing same
US-2018085730-A1 · Mar 29, 2018 · US
Method and a system for quality optimization of green liquor
US-2018080173-A1 · Mar 22, 2018 · US
Method for producing lithium composition and method for producing sulfide solid electrolyte material
US-9923233-B2 · Mar 20, 2018 · US
Composite material of alkaline metal sulfide and conducting agent
US-2018062161-A1 · Mar 1, 2018 · US
Method of preparing sulfide-based solid electrolyte having excellent air stability
US-2018053966-A1 · Feb 22, 2018 · US
Production of Alkali Sulfide Cathode Material and Methods for Processing Hydrogen Sulfide
US-2018016144-A1 · Jan 18, 2018 · US
Method for producing particles
US-9868645-B2 · Jan 16, 2018 · US
Lithium-iron-phosphorus-sulfur-carbon composite body and method for producing same
US-2018006298-A1 · Jan 4, 2018 · US
Positive electrode mix
US-9859562-B2 · Jan 2, 2018 · US
Device for producing lithium sulfide, and method for producing lithium sulfide
US-2017368515-A1 · Dec 28, 2017 · US
Method of producing lithium ion conductive sulfides comprising simple substances
US-2017317381-A1 · Nov 2, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B17/22?
- CPC C01B17/22 is the Cooperative Patent Classification code for “Alkali metal sulfides or polysulfides.”
- How many patents are filed under CPC C01B17/22 (Alkali metal sulfides or polysulfides)?
- Our database includes 310 publications tagged with this CPC code.
- Is patent activity under CPC C01B17/22 growing?
- Publication counts under this code: 51 in 2024 vs 40 in 2025 (latest complete years).