Method for producing composition containing purified fluorine-containing ether compound
US-2026062372-A1 · Mar 5, 2026 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C07C41/44 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 1 |
| 2018 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing composition containing purified fluorine-containing ether compound
US-2025042830-A1 · Feb 6, 2025 · US
Isolation of dialkylene phenolic glycol ether
US-2024376034-A1 · Nov 14, 2024 · US
Method for producing isobutyl vinyl ether and method for purifying isobutyl vinyl ether
US-2024076258-A1 · Mar 7, 2024 · US
A method for the preparation of 1,2-propanediol, dipropylene glycol and tripropylene glycol
US-2023382839-A1 · Nov 30, 2023 · US
Method for producing composition containing purified fluorine-containing ether compound
US-2023257333-A1 · Aug 17, 2023 · US
Recycle content glycol ether and glycol ether ester compositions
US-2022380283-A1 · Dec 1, 2022 · US
Process to produce a mono vinyl ether
US-11401227-B2 · Aug 2, 2022 · US
Process to produce a mono vinyl ether
US-2021340090-A1 · Nov 4, 2021 · US
Purification method and production method of difluoromethyl-1, 2, 2, 2-tetrafluoroethyl ether
US-10899692-B2 · Jan 26, 2021 · US
Purification Method and Production Method of Difluoromethyl-1, 2, 2, 2-Tetrafluoroethyl Ether
US-2020339494-A1 · Oct 29, 2020 · US
Method for producing sevoflurane
US-10065912-B2 · Sep 4, 2018 · US
Method for producing sevoflurane
US-2018222834-A1 · Aug 9, 2018 · US
Methods of purifying crude sevoflurane
US-10035745-B1 · Jul 31, 2018 · US
Production of propylene glycol monoalkyl ether
US-9586881-B2 · Mar 7, 2017 · US
Method for making a high purity alcohol
US-9512054-B2 · Dec 6, 2016 · US
Purification method
US-9440899-B2 · Sep 13, 2016 · US
Method for making a high purity alcohol
US-2016229776-A1 · Aug 11, 2016 · US
Method for preparing isoprenol-alkoxylate compositions having a low isoprene-content
US-2016185697-A1 · Jun 30, 2016 · US
Purification method
US-2016168064-A1 · Jun 16, 2016 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C41/44?
- CPC C07C41/44 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C07C41/44 (Chemistry & Metallurgy)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC C07C41/44 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).