Thermolytic fragmentation of sugars
US-2026022088-A1 · Jan 22, 2026 · US
by membrane separation process, e.g. pervaporation, perstraction, reverse osmosis
by membrane separation process, e.g. pervaporation, perstraction, reverse osmosis · 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 | C07C45/786 |
| Official title | {by membrane separation process, e.g. pervaporation, perstraction, reverse osmosis} |
| Display label | by membrane separation process, e.g. pervaporation, perstraction, reverse osmosis |
| Total patents | 49 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 8 |
| 2024 | 4 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for obtaining acetoin
US-2025296907-A1 · Sep 25, 2025 · US
Processes for recovering rhodium from hydroformylation processes
US-2025137091-A1 · May 1, 2025 · US
Process for hydroformylation of diisobutene and a c4 to c7 olefin
US-2025026704-A1 · Jan 23, 2025 · US
Process for the hydroformylation of diisobutene with preceding distillation
US-2024417355-A1 · Dec 19, 2024 · US
Fluorinated Fluid Conditioning System
US-2024226771-A9 · Jul 11, 2024 · US
Method for purifying vanillin or derivatives thereof obtained by a biotechnological method
US-2024158329-A1 · May 16, 2024 · US
Fluorinated Fluid Conditioning System
US-2024131449-A1 · Apr 25, 2024 · US
Optimized thermal separation by prior gas exchange
US-11834399-B2 · Dec 5, 2023 · US
Process for preparing aldehydes and cooling a stream of matter
US-11820739-B2 · Nov 21, 2023 · US
Process for preparing aldehydes and cooling a stream of matter
US-11773041-B2 · Oct 3, 2023 · US
Coated porous polymeric membranes
US-11731085-B2 · Aug 22, 2023 · US
Optimized thermal separation by prior gas exchange
US-2023250040-A1 · Aug 10, 2023 · US
Process for preparing methacrolein from formaldehyde and propionaldehyde and preparation plant for the purpose
US-11680033-B2 · Jun 20, 2023 · US
Process for preparing aldehydes and cooling a stream of matter
US-2023159425-A1 · May 25, 2023 · US
Process for preparing aldehydes and cooling a stream of matter
US-2023159423-A1 · May 25, 2023 · US
Process for preparing methacrolein from formaldehyde and propionaldehyde and preparation plant for the purpose
US-2022298094-A1 · Sep 22, 2022 · US
Systems and methods for purifying solvents
US-11440866-B2 · Sep 13, 2022 · US
Process for preparing aldehydes and separation of the catalyst system by membrane separation
US-11396488-B2 · Jul 26, 2022 · US
Coated porous polymeric membranes
US-2022134287-A1 · May 5, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C45/786?
- CPC C07C45/786 is the Cooperative Patent Classification code for “by membrane separation process, e.g. pervaporation, perstraction, reverse osmosis.”
- How many patents are filed under CPC C07C45/786 (by membrane separation process, e.g. pervaporation, perstraction, reverse osmosis)?
- Our database includes 49 publications tagged with this CPC code.
- Is patent activity under CPC C07C45/786 growing?
- Publication counts under this code: 4 in 2024 vs 3 in 2025 (latest complete years).