Compositions and Methods for Sealing Off Flow Channels in Contact with Wet Cement
US-2019338178-A1 · Nov 7, 2019 · US
Alkali metal carbonates
Alkali metal carbonates · 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 | C08K2003/262 |
| Official title | {Alkali metal carbonates} |
| Display label | Alkali metal carbonates |
| Total patents | 241 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 13 |
| 2017 | 18 |
| 2018 | 18 |
| 2019 | 32 |
| 2020 | 41 |
| 2021 | 31 |
| 2022 | 24 |
| 2023 | 17 |
| 2024 | 24 |
| 2025 | 16 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid resin composition
US-2019284361-A1 · Sep 19, 2019 · US
Carbon material precursor and method for producing carbon material using the same
US-10385186-B2 · Aug 20, 2019 · US
Manufacturing process and composition for foamed PVC-P rock shields
US-10344157-B2 · Jul 9, 2019 · US
Polyester for profile extrusion and/or pipe extrusion
US-2019203037-A1 · Jul 4, 2019 · US
Compatibilized polymer compositions
US-2019136056-A1 · May 9, 2019 · US
Composition for resin surface roughening
US-2018371197-A1 · Dec 27, 2018 · US
Polyetherimide compositions, methods of manufacture, and articles prepared therefrom
US-2018371169-A1 · Dec 27, 2018 · US
Resin composition
US-2018371146-A1 · Dec 27, 2018 · US
Chemically foamed polysulfide sealant for aerospace fuel tank use
US-10160893-B2 · Dec 25, 2018 · US
Polyester for profile extrusion and/or pipe extrusion
US-10128021-B2 · Nov 13, 2018 · US
Molded article comprising polyamide resin composition
US-10113054-B2 · Oct 30, 2018 · US
Rubber composition and tire
US-2018291186-A1 · Oct 11, 2018 · US
Encapsulated Cathode Active Material Particles, Lithium Secondary Batteries Containing Same, and Method of Manufacturing
US-2018294474-A1 · Oct 11, 2018 · US
Hydrogels with Improved Mechanical Properties Below Water Freezing Temperature
US-2018244858-A1 · Aug 30, 2018 · US
3-d printed fluoropolymer structures
US-2018237627-A1 · Aug 23, 2018 · US
Fire-protection composition and use thereof
US-10005913-B2 · Jun 26, 2018 · US
Polyimide precursor composition and polyimide composition
US-2018171077-A1 · Jun 21, 2018 · US
Carbon material precursor and method for producing carbon material using the same
US-2018148563-A1 · May 31, 2018 · US
Compositions and methods for sealing off flow channels in contact with set cement
US-2018127635-A1 · May 10, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K2003/262?
- CPC C08K2003/262 is the Cooperative Patent Classification code for “Alkali metal carbonates.”
- How many patents are filed under CPC C08K2003/262 (Alkali metal carbonates)?
- Our database includes 241 publications tagged with this CPC code.
- Is patent activity under CPC C08K2003/262 growing?
- Publication counts under this code: 24 in 2024 vs 16 in 2025 (latest complete years).