Process for treating a sodium carbonate purge
US-12434976-B1 · Oct 7, 2025 · US
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Multi-step processes, e.g. from trona to soda ash
Multi-step processes, e.g. from trona to soda ash · 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 | C01D7/126 |
| Official title | {Multi-step processes, e.g. from trona to soda ash} |
| Display label | Multi-step processes, e.g. from trona to soda ash |
| Total patents | 19 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 1 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for producing a concentrated aqueous sodium hydroxide solution
US-11465907-B2 · Oct 11, 2022 · US
Process for treating a sodium carbonate purge
US-2021070620-A1 · Mar 11, 2021 · US
Process for the joint production of sodium carbonate and sodium bicarbonate
US-10807876-B2 · Oct 20, 2020 · US
Process for producing sodium carbonate from an ore mineral comprising sodium bicarbonate
US-10208363-B2 · Feb 19, 2019 · US
Process for the joint production of sodium carbonate and sodium bicarbonate
US-10065866-B2 · Sep 4, 2018 · US
Process for the joint production of sodium carbonate and sodium bicarbonate
US-2018222759-A1 · Aug 9, 2018 · US
Process for the joint production of sodium carbonate and sodium bicarbonate
US-9868644-B2 · Jan 16, 2018 · US
Process for preparing sodium bicarbonate particles
US-9695059-B2 · Jul 4, 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
Process for recovering soda values from underground soda deposits
US-9528361-B2 · Dec 27, 2016 · US
Process for producing sodium carbonate from an ore mineral comprising sodium bicarbonate
US-2015315675-A1 · Nov 5, 2015 · US
Process for recovering soda values from underground soda deposits
US-2015315893-A1 · Nov 5, 2015 · US
Arrangement and process for integrated flue gas treatment and soda ash production
US-2015239744-A1 · Aug 27, 2015 · US
Process for Treating a Sodium Carbonate Purge
US-2015132203-A1 · May 14, 2015 · US
Solution mining of ore containing sodium carbonate and bicarbonate
US-9010869-B2 · Apr 21, 2015 · US
Process for the joint production of sodium carbonate and sodium bicarbonate
US-2015098876-A1 · Apr 9, 2015 · US
Process for the joint production of sodium carbonate and sodium bicarbonate
US-2015037583-A1 · Feb 5, 2015 · US