Process and system for producing dimethyl ether
US-2020399195-A1 · Dec 24, 2020 · US
Dimethyl ether
Dimethyl ether · 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 | C07C43/043 |
| Official title | {Dimethyl ether} |
| Display label | Dimethyl ether |
| Total patents | 103 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 11 |
| 2017 | 12 |
| 2018 | 17 |
| 2019 | 6 |
| 2020 | 12 |
| 2021 | 10 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated methods for chemical synthesis
US-10829372-B2 · Nov 10, 2020 · US
Process and system for producing dimethyl ether
US-10759728-B2 · Sep 1, 2020 · US
Process
US-2020190005-A1 · Jun 18, 2020 · US
Integrated methods for chemical synthesis
US-2020172396-A1 · Jun 4, 2020 · US
Integrated methods for chemical synthesis
US-10597294-B2 · Mar 24, 2020 · US
Method and system for obtaining dimethyl ether from syngas
US-10501394-B2 · Dec 10, 2019 · US
Cavitand compositions and methods of use thereof
US-10435413-B2 · Oct 8, 2019 · US
An Improved Process for Producing Olefins from Syngas
US-2019284108-A1 · Sep 19, 2019 · US
Separation processing method for a product stream of a dimethyl ether reactor
US-10246394-B2 · Apr 2, 2019 · US
Bifunctional catalyst comprising evenly distributed phosphorous
US-2019076830-A1 · Mar 14, 2019 · US
Process and plant for producing olefins from oxygenates
US-10214461-B2 · Feb 26, 2019 · US
Systems and methods for producing dimethyl ether from natural gas
US-10160708-B2 · Dec 25, 2018 · US
Catalytic membrane reactor for dimethyl ether synthesis from carbon dioxide and hydrogen
US-10150721-B2 · Dec 11, 2018 · US
Vanadium oxide catalyst supported on CeO2—ZrO2 for dimethyl ether production via oxidative dehydration of methanol
US-10124320-B1 · Nov 13, 2018 · US
Bifunctional catalyst
US-2018304240-A1 · Oct 25, 2018 · US
Method and reaction equipment for preparing dimethyl ether and olefin from methanol
US-10029966-B2 · Jul 24, 2018 · US
Process for production of DME from crude methanol
US-10011548-B2 · Jul 3, 2018 · US
Processes and apparatuses for toluene methylation in an aromatics complex
US-2018170842-A1 · Jun 21, 2018 · US
Efficient process for converting methanol to gasoline
US-2018170823-A1 · Jun 21, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C43/043?
- CPC C07C43/043 is the Cooperative Patent Classification code for “Dimethyl ether.”
- How many patents are filed under CPC C07C43/043 (Dimethyl ether)?
- Our database includes 103 publications tagged with this CPC code.
- Is patent activity under CPC C07C43/043 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).