Integrated Process for Ethanol Separation from Fermented Broth for Low Temperature Applications
US-2020325438-A1 · Oct 15, 2020 · US
Separation; Purification; Use of additives, e.g. for stabilisation
Separation; Purification; Use of additives, e.g. for stabilisation · 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 | C07C29/74 |
| Official title | Separation; Purification; Use of additives, e.g. for stabilisation |
| Display label | Separation; Purification; Use of additives, e.g. for stabilisation |
| Total patents | 117 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 10 |
| 2019 | 10 |
| 2020 | 10 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 16 |
| 2024 | 10 |
| 2025 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for the preparation of ethylene glycol from sugars
US-10759726-B2 · Sep 1, 2020 · US
Chemical liquid purification method and chemical liquid
US-2020164294-A1 · May 28, 2020 · US
Process of separating components of a fermentation broth
US-10662136-B2 · May 26, 2020 · US
Hydroformylation process for producing 1,6-disubstituted hexane derivatives
US-10647651-B2 · May 12, 2020 · US
Divalent cation removal from rich monoethylene glycol (meg) feed streams by ion exchange
US-2020071250-A1 · Mar 5, 2020 · US
Method for obtaining alcohols from aldehydes III
US-10562833-B2 · Feb 18, 2020 · US
Method for purification of a CO2 stream
US-10508079-B2 · Dec 17, 2019 · US
Method for obtaining alcohols from aldehydes II
US-10501392-B2 · Dec 10, 2019 · US
Divalent cation removal from rich monoethylene glycol (meg) feed streams by ion exchange
US-2019241493-A1 · Aug 8, 2019 · US
Method for obtaining alcohols from aldehydes III
US-2019169105-A1 · Jun 6, 2019 · US
Method for obtaining alcohols from aldehydes II
US-2019169104-A1 · Jun 6, 2019 · US
Process of separating components of a fermentation broth
US-2019112247-A1 · Apr 18, 2019 · US
Process for preparing ethylene glycol from a carbohydrate source
US-10233138-B2 · Mar 19, 2019 · US
Method for producing high-efficiency methanol capable of reducing emission of carbon dioxide
US-10214469-B2 · Feb 26, 2019 · US
Process for the preparation of ethylene glycol from sugars
US-2019010104-A1 · Jan 10, 2019 · US
Process for the preparation of ethylene glycol from sugars
US-2019010103-A1 · Jan 10, 2019 · US
Process for preparing ethylene glycol from a carbohydrate
US-10131600-B2 · Nov 20, 2018 · US
Process for the production of glycols from a saccharide-containing feedstock
US-10125071-B2 · Nov 13, 2018 · US
Hydroformylation process for producing 1,6-disubstituted hexane derivatives
US-2018297926-A1 · Oct 18, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C29/74?
- CPC C07C29/74 is the Cooperative Patent Classification code for “Separation; Purification; Use of additives, e.g. for stabilisation.”
- How many patents are filed under CPC C07C29/74 (Separation; Purification; Use of additives, e.g. for stabilisation)?
- Our database includes 117 publications tagged with this CPC code.
- Is patent activity under CPC C07C29/74 growing?
- Publication counts under this code: 10 in 2024 vs 13 in 2025 (latest complete years).