Electrolyte solution and method for producing sulfate salt
US-12555823-B2 · Feb 17, 2026 · US
Sodium compounds
Sodium compounds · 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 | C07F1/04 |
| Official title | Sodium compounds |
| Display label | Sodium compounds |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 8 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Improved process for preparing metal alkoxide compounds
US-2025340576-A1 · Nov 6, 2025 · US
Fuel cell with polymer electrolyte membrane
US-12412916-B2 · Sep 9, 2025 · US
Organometallic Compound For Protective Layer, Protective Layer, Method For Processing Organic Semiconductor Layer, and Method for Manufacturing Organic Semiconductor Device
US-2025151601-A1 · May 8, 2025 · US
Pyrazole metal complex for absorbing carbon dioxide, method for preparing pyrazole metal complex, and method for absorption of carbon dioxide
US-12179171-B2 · Dec 31, 2024 · US
Improved foaming biosurfactants
US-2024425488-A1 · Dec 26, 2024 · US
Covalent organic framework and energy storage device
US-2024063390-A1 · Feb 22, 2024 · US
Chlorin compound, and preparation and use thereof
US-11787816-B2 · Oct 17, 2023 · US
Fuel cell with polymer electrolyte membrane
US-2023317998-A1 · Oct 5, 2023 · US
Pyrazole metal complex for absorbing carbon dioxide, method for preparing pyrazole metal complex, and method for absorption of carbon dioxide
US-2023241579-A1 · Aug 3, 2023 · US
Preparation method for nano organometallic carboxylate
US-11555043-B2 · Jan 17, 2023 · US
Pyrazole metal complex for absorbing carbon dioxide, method for preparing pyrazole metal complex, and method for absorption of carbon dioxide
US-2022331775-A1 · Oct 20, 2022 · US
Method for preparing modification polymerization initiator using continuous type reactor
US-11472818-B2 · Oct 18, 2022 · US
Chlorin compound, and preparation and use thereof
US-2022281883-A1 · Sep 8, 2022 · US
Preparation method for nano organometallic carboxylate
US-2022267355-A1 · Aug 25, 2022 · US
Electrolyte solution and method for producing sulfate salt
US-2022158241-A1 · May 19, 2022 · US
Highly reactive metal hydrides, process for their preparation and use
US-11292804-B2 · Apr 5, 2022 · US
Sodium squarate hexahydrate complex
US-2022089614-A1 · Mar 24, 2022 · US
Electrolyte solution and method for producing sulfate salt
US-11276883-B2 · Mar 15, 2022 · US
Method for synthesizing aromatic sodium compound
US-2021388004-A1 · Dec 16, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07F1/04?
- CPC C07F1/04 is the Cooperative Patent Classification code for “Sodium compounds.”
- How many patents are filed under CPC C07F1/04 (Sodium compounds)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C07F1/04 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).