Method and apparatus for sustainable carbon dioxide sequestration
US-2024424442-A1 · Dec 26, 2024 · US
of sodium
of sodium · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D2251/304 |
| Official title | of sodium |
| Display label | of sodium |
| Total patents | 560 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 44 |
| 2016 | 43 |
| 2017 | 58 |
| 2018 | 38 |
| 2019 | 45 |
| 2020 | 59 |
| 2021 | 46 |
| 2022 | 51 |
| 2023 | 56 |
| 2024 | 59 |
| 2025 | 55 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods and systems for controlling condensate when reducing oxygen content in biogas
US-2024001297-A1 · Jan 4, 2024 · US
Reactive composition based on sodium bicarbonate and process for its production
US-2016339410-A1 · Nov 24, 2016 · US
Sequestration Of Carbon Dioxide By Binding It As Alkali Carbonate
US-2016319443-A1 · Nov 3, 2016 · US
Silica containing basic sorbent for acid gas removal
US-9475030-B2 · Oct 25, 2016 · US
Reclaiming device, method, and recovery unit of co2, h2s, or both of co2 and h2s
US-2016288049-A1 · Oct 6, 2016 · US
Dual injection grid arrangement
US-2016279565-A1 · Sep 29, 2016 · US
Method for removing dust and sulphur oxides from process gases
US-2016193565-A1 · Jul 7, 2016 · US
Pushable multi-fiber connector
US-9383539-B2 · Jul 5, 2016 · US
Absorbent for acidic gas separation and method for acidic gas separation
US-2016114286-A1 · Apr 28, 2016 · US
Carbon dioxide gas fixation method and carbon dioxide gas fixation apparatus
US-9302216-B2 · Apr 5, 2016 · US
Impurities removal system
US-2016059186-A1 · Mar 3, 2016 · US
Synthesis of nitric oxide gas for inhalation
US-2016030699-A1 · Feb 4, 2016 · US
Adsorbent for carbon dioxide, method of preparing the same, and capture module for carbon dioxide
US-9242225-B2 · Jan 26, 2016 · US
Plant for manufacturing hydrogen sulfide gas and method for exhausting hydrogen sulfide gas
US-2016002038-A1 · Jan 7, 2016 · US
Method and apparatus for reactive gas remediation
US-9227156-B2 · Jan 5, 2016 · US
Method and apparatus for preventing corrosion of compressor impurity separation mechanism
US-2015375167-A1 · Dec 31, 2015 · US
Desiccant Box and Downhole Assembly Comprising A Desiccant Box
US-2015377007-A1 · Dec 31, 2015 · US
Two-step process for the cleaning of a flue gas
US-9221010-B2 · Dec 29, 2015 · US
Pollutant Emission Control Sorbents and Methods of Manufacture and Use
US-2015321172-A1 · Nov 12, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2251/304?
- CPC B01D2251/304 is the Cooperative Patent Classification code for “of sodium.”
- How many patents are filed under CPC B01D2251/304 (of sodium)?
- Our database includes 560 publications tagged with this CPC code.
- Is patent activity under CPC B01D2251/304 growing?
- Publication counts under this code: 59 in 2024 vs 55 in 2025 (latest complete years).