Process for the preparation of ethylene glycol
US-12479781-B2 · Nov 25, 2025 · US
of esters of mineral acids
of esters of mineral acids · 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 | C07C29/12 |
| Official title | of esters of mineral acids |
| Display label | of esters of mineral acids |
| Total patents | 29 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the preparation of ethylene glycol
US-12378175-B2 · Aug 5, 2025 · US
Process for recovering chemicals in a process for recycling blend textiles
US-2025092217-A1 · Mar 20, 2025 · US
Iron-based complexes for use in the catalysis of hydrosilylation reactions
US-2024335827-A1 · Oct 10, 2024 · US
Process for the preparation of ethylene glycol
US-11807594-B2 · Nov 7, 2023 · US
Process for recovering and regenerating a catalyst from ash
US-2023330643-A1 · Oct 19, 2023 · US
Process for preparing ethylene carbonate and ethylene glycol using an alkyl iodide guard bed system
US-11655230-B2 · May 23, 2023 · US
Method for producing diol
US-11618726-B2 · Apr 4, 2023 · US
Process for the preparation of ethylene glycol
US-2023032856-A1 · Feb 2, 2023 · US
Process for the preparation of ethylene glycol
US-2022396538-A1 · Dec 15, 2022 · US
Method for producing diol
US-2022153667-A1 · May 19, 2022 · US
Process for producing diol
US-2022112172-A1 · Apr 14, 2022 · US
Process for the preparation of ethylene glycol
US-2022024841-A1 · Jan 27, 2022 · US
Method for preparing boric acid ester based on lithium compound
US-2022024950-A1 · Jan 27, 2022 · US
Process for producing polyol
US-2021171426-A1 · Jun 10, 2021 · US
Methods for producing a methanol precursor, methanol, and a methyl ester from methane in high purities
US-11021429-B1 · Jun 1, 2021 · US
Process for preparing ethylene carbonate and ethylene glycol using an alkyl iodide guard bed system
US-2020392101-A1 · Dec 17, 2020 · US
Processes and systems for removing a vinyl iodide impurity from a recycle gas stream in the production of ethylene oxide
US-10525409-B2 · Jan 7, 2020 · US
Processes and systems for removing an alkyl iodide impurity from a recycle gas stream in the production of ethylene oxide
US-10450287-B2 · Oct 22, 2019 · US
Processes and systems for removing an alkyl iodide impurity from a recycle gas stream in the production of ethylene oxide
US-2018370936-A1 · Dec 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C29/12?
- CPC C07C29/12 is the Cooperative Patent Classification code for “of esters of mineral acids.”
- How many patents are filed under CPC C07C29/12 (of esters of mineral acids)?
- Our database includes 29 publications tagged with this CPC code.
- Is patent activity under CPC C07C29/12 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).