Co2 collection system
US-2026034507-A1 · Feb 5, 2026 · US
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Preparation of sesquicarbonates
Preparation of sesquicarbonates · 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 | C01D7/14 |
| Official title | Preparation of sesquicarbonates |
| Display label | Preparation of sesquicarbonates |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2019 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Cyclopropenimines for mineralization of carbon dioxide
US-12479793-B2 · Nov 25, 2025 · US
Process for treating a sodium carbonate purge
US-12434976-B1 · Oct 7, 2025 · US
Cyclopropenimines for mineralization of carbon dioxide
US-2024083840-A1 · Mar 14, 2024 · US
Process for producing a concentrated aqueous sodium hydroxide solution
US-11465907-B2 · Oct 11, 2022 · US
(Melt-) extrusion process for the preparation of alkali metal carbonate, bicarbonate and sesquicarbonate formulations using a melted functionalizing agent
US-11407648-B2 · Aug 9, 2022 · US
(melt-) extrusion process for the preparation of alkali metal carbonate, bicarbonate and sesquicarbonate formulations using a melted functionalizing agent
US-2021179438-A1 · Jun 17, 2021 · US
Process for treating a sodium carbonate purge
US-2021070620-A1 · Mar 11, 2021 · US
Highly robust efficient catalyst for selective dehydrogenation of neat glycerol to lactic acid
US-10202327-B2 · Feb 12, 2019 · US
Highly Robust Efficient Catalyst For Selective Dehydrogenation Of Neat Glycerol To Lactic Acid
US-2017217870-A1 · Aug 3, 2017 · US
Process for treating a sodium carbonate purge
US-2017183237-A1 · Jun 29, 2017 · US
Process for treating a sodium carbonate purge
US-9593023-B2 · Mar 14, 2017 · US
Lithological displacement of an evaporite mineral stratum
US-2016356140-A1 · Dec 8, 2016 · US
In situ method for sealing undesirable transverse fractures under hydraulic pressure during lithological displacement of an evaporite deposit
US-2016356138-A1 · Dec 8, 2016 · US
Process for Treating a Sodium Carbonate Purge
US-2015132203-A1 · May 14, 2015 · US