Method for producing soda ash
US-12180083-B1 · Dec 31, 2024 · US
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Preparation of carbonates from bicarbonates {or bicarbonate-containing product}
Preparation of carbonates from bicarbonates {or bicarbonate-containing product} · 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 | C01D7/12 |
| Official title | Preparation of carbonates from bicarbonates {or bicarbonate-containing product} |
| Display label | Preparation of carbonates from bicarbonates {or bicarbonate-containing product} |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 3 |
| 2024 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Buffer-free process cycle for CO2 sequestration and carbonate production from brine waste streams with high salinity
US-11827542-B2 · Nov 28, 2023 · US
Method for producing porous molded body, method for producing catalyst for α-olefin dimerization, method for producing α-olefin dimer, porous molded body, and catalyst for α-olefin dimerization
US-11772072-B2 · Oct 3, 2023 · US
Buffer-free process cycle for co2 sequestration and carbonate production from brine waste streams with high salinity
US-2023058065-A1 · Feb 23, 2023 · US
Method for producing concentrated carbonate aqueous solution
US-2022340521-A1 · Oct 27, 2022 · US
METHOD FOR PRODUCING POROUS MOLDED BODY, METHOD FOR PRODUCING CATALYST FOR alpha-OLEFIN DIMERIZATION, METHOD FOR PRODUCING alpha-OLEFIN DIMER, POROUS MOLDED BODY, AND CATALYST FOR alpha-OLEFIN DIMERIZATION
US-2022118426-A1 · Apr 21, 2022 · US
Method for producing porous molded body, method for producing catalyst for α-olefin dimerization, method for producing α-olefin dimer, porous molded body, and catalyst for α-olefin dimerization
US-11247194-B2 · Feb 15, 2022 · US
Buffer-free process cycle for co2 sequestration and carbonate production from brine waste streams with high salinity
US-2021188671-A1 · Jun 24, 2021 · US
Buffer-free process cycle for CO2 sequestration and carbonate production from brine waste streams with high salinity
US-11040898-B2 · Jun 22, 2021 · US
METHOD FOR PRODUCING POROUS MOLDED BODY, METHOD FOR PRODUCING CATALYST FOR alpha-OLEFIN DIMERIZATION, METHOD FOR PRODUCING alpha-OLEFIN DIMER, POROUS MOLDED BODY, AND CATALYST FOR alpha-OLEFIN DIMERIZATION
US-2021113991-A1 · Apr 22, 2021 · US
Buffer-free process cycle for co2 sequestration and carbonate production from brine waste streams with high salinity
US-2019367390-A1 · Dec 5, 2019 · US
Process for producing sodium carbonate from an ore mineral comprising sodium bicarbonate
US-10208363-B2 · Feb 19, 2019 · US
Process for producing sodium carbonate/bicarbonate
US-2018050916-A1 · Feb 22, 2018 · US
Process for preparing sodium bicarbonate particles
US-9695059-B2 · Jul 4, 2017 · US
Lithological displacement of an evaporite mineral stratum
US-2016356140-A1 · Dec 8, 2016 · US
Anhydrous sodium carbonate having a low pore content
US-9388053-B2 · Jul 12, 2016 · US
Process for producing sodium carbonate from an ore mineral comprising sodium bicarbonate
US-2015315675-A1 · Nov 5, 2015 · US
Acidic gas removal using dry sorbent injection
US-9174165-B1 · Nov 3, 2015 · US
Method for preparing alkali metal carbonates from inorganic materials including alkali metal ions using electrolysis system
US-2015183653-A1 · Jul 2, 2015 · US
Solution mining of ore containing sodium carbonate and bicarbonate
US-9010869-B2 · Apr 21, 2015 · US