Method for producing high-efficiency methanol capable of reducing emission of carbon dioxide
US-2017362147-A1 · Dec 21, 2017 · US
Methanol
Methanol · 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 | C07C31/04 |
| Official title | Methanol |
| Display label | Methanol |
| Total patents | 448 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 33 |
| 2016 | 24 |
| 2017 | 23 |
| 2018 | 57 |
| 2019 | 48 |
| 2020 | 54 |
| 2021 | 52 |
| 2022 | 39 |
| 2023 | 35 |
| 2024 | 36 |
| 2025 | 37 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalysts and methods for converting carbonaceous materials to fuels
US-9796931-B1 · Oct 24, 2017 · US
Ethanol production via dimethylether recycle
US-9695097-B2 · Jul 4, 2017 · US
Process for manufacturing methyl tertiary-butyl ether (mtbe) and other hydrocarbons
US-2016368848-A1 · Dec 22, 2016 · US
Hydrocarbon conversion process
US-9505676-B2 · Nov 29, 2016 · US
Process and reaction system for the preparation of methanol
US-9505689-B2 · Nov 29, 2016 · US
Recycling carbon dioxide via capture and temporary storage to produce renewable fuels and derived products
US-9504952-B2 · Nov 29, 2016 · US
Carbon oxides conversion process
US-9492809-B2 · Nov 15, 2016 · US
Process for the preparation of methanol in parallel reactors
US-9464014-B2 · Oct 11, 2016 · US
Ligand, metal complex containing ligand, and reaction using metal complex containing ligand
US-9463451-B2 · Oct 11, 2016 · US
Method for synthesizing silicoaluminophosphate-34 molecular sieves
US-2016256860-A1 · Sep 8, 2016 · US
Recovery of CO2 in a process for the synthesis of methanol
US-9422212-B2 · Aug 23, 2016 · US
Process for the production of high-purity isobutene through the cracking of MTBE or ETBE and integrated process for the production of the relative ether
US-9422205-B2 · Aug 23, 2016 · US
Method for producing bio-methanol at pulp mills
US-9394220-B2 · Jul 19, 2016 · US
Method for producing synthesis gas for methanol production
US-9394219-B2 · Jul 19, 2016 · US
Method or system for recovering carbon dioxide
US-9376356-B2 · Jun 28, 2016 · US
Mixed metal iron oxides and uses thereof
US-2016158734-A1 · Jun 9, 2016 · US
Process for the preparation of higher alcohols
US-9346725-B2 · May 24, 2016 · US
Process for methanol and ammonia co-production
US-9321639-B2 · Apr 26, 2016 · US
Catalyst for methanol production, method of producing the same and process of methanol production
US-9314774-B2 · Apr 19, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C31/04?
- CPC C07C31/04 is the Cooperative Patent Classification code for “Methanol.”
- How many patents are filed under CPC C07C31/04 (Methanol)?
- Our database includes 448 publications tagged with this CPC code.
- Is patent activity under CPC C07C31/04 growing?
- Publication counts under this code: 36 in 2024 vs 37 in 2025 (latest complete years).