Sustainable process for the manufacture of 1,1,4,4-tetramethoxy-2-butene
US-12516009-B2 · Jan 6, 2026 · US
by reactions producing [IMAGE cpc-sch-C07C-0958.gif] groups
by reactions producing [IMAGE cpc-sch-C07C-0958.gif] groups · 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 | C07C41/50 |
| Official title | by reactions producing [IMAGE cpc-sch-C07C-0958.gif] groups |
| Display label | by reactions producing [IMAGE cpc-sch-C07C-0958.gif] groups |
| Total patents | 50 |
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 | 4 |
| 2017 | 7 |
| 2018 | 1 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Purification of an ethylenically unsaturated alcohol stream, preparation of an ethylenically unsaturated aldehyde, in particular prenal, and compounds derived therefrom
US-2025340502-A1 · Nov 6, 2025 · US
Cyclic compound having iodine atom
US-2025250216-A1 · Aug 7, 2025 · US
Preparation method of (5-fluoro-2,3-dihydrobenzofuran-4-yl)methanamine or its salt, and intermediates thereof
US-12221427-B2 · Feb 11, 2025 · US
Process for the production of acetals from carbon dioxide
US-12172953-B2 · Dec 24, 2024 · US
Haloalkyl alkoxymethyl ether compound, and process for preparing 13,15-dimethylheptacosane therefrom and for preparing synthetic intermediate therefor
US-2024400484-A1 · Dec 5, 2024 · US
Process for preparing an acetal from an olefin using PtI2 or PtBr2
US-2024383832-A1 · Nov 21, 2024 · US
Process for preparing an acetal from an olefin using an iodine-alkyl compound
US-2024383833-A1 · Nov 21, 2024 · US
11-halo-3-undecene compound and a process for preparing the same and a process for preparing 9-dodecenal compound
US-12116328-B2 · Oct 15, 2024 · US
(4z,6e)-4,6-undecadienyl trimethylacetate and process for preparing (5z,7e)-5,7-dodecadiene compound therefrom
US-2023391710-A1 · Dec 7, 2023 · US
Catalysts for selective oxidation of methanol to dimethoxymethane and related methods
US-2023372903-A1 · Nov 23, 2023 · US
Processes for preparing a (1,2-dimethyl-3-methylenecyclopentyl)acetate compound and (1,2-dimethyl-3-methylenecyclopentyl)acetaldehyde
US-11731930-B2 · Aug 22, 2023 · US
Recycling of polyacetal for the production of polyoxymethylene dialkyl ethers
US-2023151180-A1 · May 18, 2023 · US
Sustainable process for the manufacture of 1,1,4,4-tetramethoxy-2-butene
US-2023144339-A1 · May 11, 2023 · US
Method for producing oxymethylene ether
US-2023046597-A1 · Feb 16, 2023 · US
Processes for preparing a (1,2-dimethyl-3-methylenecyclopentyl)acetate compound and (1,2-dimethyl-3-methylenecyclopentyl)acetaldehyde
US-2023002305-A1 · Jan 5, 2023 · US
Preparation method of (5-fluoro-2,3-dihydrobenzofuran-4-yl)methanamine or its salt, and intermediates thereof
US-2022298129-A1 · Sep 22, 2022 · US
Metal oxide film-forming composition, method for producing metal oxide film using the same, tertiary alkyloxycarbonyl group-modified bisnaphthol fluorene compound, and method for producing the same
US-2022274912-A1 · Sep 1, 2022 · US
Dialkoxyalkenyl alkoxymethyl ether compound and a process for preparing a terminal conjugated alkadienal compound from the same
US-11414368-B2 · Aug 16, 2022 · US
Synthesis of fluoro hemiacetals via transition metal-catalyzed fluoro ester and carboxamide hydrogenation
US-11370736-B2 · Jun 28, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C41/50?
- CPC C07C41/50 is the Cooperative Patent Classification code for “by reactions producing [IMAGE cpc-sch-C07C-0958.gif] groups.”
- How many patents are filed under CPC C07C41/50 (by reactions producing [IMAGE cpc-sch-C07C-0958.gif] groups)?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC C07C41/50 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).