Thermal decomposition of magnesium chloride
US-12473576-B2 · Nov 18, 2025 · US
Preparation of hydrogen chloride from chlorides
Preparation of hydrogen chloride from chlorides · 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 | C01B7/035 |
| Official title | {Preparation of hydrogen chloride from chlorides} |
| Display label | Preparation of hydrogen chloride from chlorides |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 12 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 1 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for dechlorination of waste plastics
US-2024376025-A1 · Nov 14, 2024 · US
Method of preparing alkali-activated cement by stepwise calcination with sodium chloride
US-2024327282-A1 · Oct 3, 2024 · US
Process and plant for thermal decomposition of aluminium chloride hydrate into aluminium oxide
US-2023183086-A1 · Jun 15, 2023 · US
Process and plant for thermal decomposition of aluminium chloride hydrate into aluminium oxide
US-11591233-B2 · Feb 28, 2023 · US
Thermal decomposition of magnesium chloride
US-2022235383-A1 · Jul 28, 2022 · US
Method and a system for producing hydrochloric acid from flue gases
US-11376546-B2 · Jul 5, 2022 · US
Process and plant for thermal decomposition of aluminium chloride hydrate into aluminium oxide
US-2022177321-A1 · Jun 9, 2022 · US
Thermal decomposition of magnesium chloride
US-11326189-B2 · May 10, 2022 · US
Thermal decomposition of magnesium chloride
US-11326188-B2 · May 10, 2022 · US
Thermal decomposition of magnesium chloride
US-11261467-B2 · Mar 1, 2022 · US
Method and a system for producing hydrochloric acid from flue gases
US-2021354076-A1 · Nov 18, 2021 · US
Method for processing magnesium chloride solutions and method for manufacturing carboxylic acids
US-10850990-B2 · Dec 1, 2020 · US
Thermal decomposition of magnesium chloride
US-2020370074-A1 · Nov 26, 2020 · US
Method for providing a succinic acid solution
US-10793501-B2 · Oct 6, 2020 · US
Thermal decomposition of magnesium chloride
US-2020032300-A1 · Jan 30, 2020 · US
Acid/salt separation
US-10508069-B2 · Dec 17, 2019 · US
Improved method for processing magnesium chloride solutions and method for manufacturing carboxylic acids
US-2019194029-A1 · Jun 27, 2019 · US
Acid/salt separation
US-2018319731-A1 · Nov 8, 2018 · US
System and method for producing high-purity vanadium tetraoxide powder
US-10112846-B2 · Oct 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B7/035?
- CPC C01B7/035 is the Cooperative Patent Classification code for “Preparation of hydrogen chloride from chlorides.”
- How many patents are filed under CPC C01B7/035 (Preparation of hydrogen chloride from chlorides)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C01B7/035 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).