Recirculating process for preparing ethylene glycol
US-10807928-B2 · Oct 20, 2020 · US
characterised by the catalyst used
characterised by the catalyst used · 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 | C07C29/153 |
| Official title | characterised by the catalyst used |
| Display label | characterised by the catalyst used |
| Total patents | 98 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 15 |
| 2019 | 7 |
| 2020 | 17 |
| 2021 | 10 |
| 2022 | 6 |
| 2023 | 9 |
| 2024 | 3 |
| 2025 | 5 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing ethylene glycol
US-10807929-B2 · Oct 20, 2020 · US
Dihydroxybiphenyl compound, bisphosphite compound, catalyst, production method of aldehydes, and production method of alcohol
US-10793497-B2 · Oct 6, 2020 · US
Reactor and method for maximizing methanol yield by using catalyst layers
US-10737230-B2 · Aug 11, 2020 · US
Method for directly producing ethanol from syngas
US-2020231523-A1 · Jul 23, 2020 · US
Layered catalyst loading for synthesis gas conversion
US-2020231525-A1 · Jul 23, 2020 · US
Process for methanol synthesis using an indium oxide based catalyst
US-10676416-B2 · Jun 9, 2020 · US
Supported indium oxide catalyst and process for methanol synthesis using the same
US-10668450-B2 · Jun 2, 2020 · US
Efficient process for converting heavy oil to gasoline
US-10626338-B2 · Apr 21, 2020 · US
Carbon dioxide electrolytic device and method of electrolyzing carbon dioxide
US-2020087233-A1 · Mar 19, 2020 · US
Supported indium oxide catalyst and process for methanol synthesis using the same
US-2020061582-A1 · Feb 27, 2020 · US
Process for methanol synthesis using an indium oxide based catalyst
US-2020048173-A1 · Feb 13, 2020 · US
Catalyst comprising fluorinated metal oxide, manufacture process and hydrogenation process
US-10549269-B2 · Feb 4, 2020 · US
Carbon dioxide electrolytic system
US-2020002823-A1 · Jan 2, 2020 · US
Reactor and method for maximizing methanol yield by using catalyst layers
US-2020001261-A1 · Jan 2, 2020 · US
Recirculating process for preparing ethylene glycol
US-2019330133-A1 · Oct 31, 2019 · US
Process for preparing ethylene glycol
US-2019330134-A1 · Oct 31, 2019 · US
Monolithic catalyst used for carbon dioxide hydrogenation reaction and method for preparing same
US-2019262803-A1 · Aug 29, 2019 · US
Fixed catalyst bed comprising metal foam bodies
US-2019232257-A1 · Aug 1, 2019 · US
Reduction catalyst and chemical reactor
US-10308574-B2 · Jun 4, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C29/153?
- CPC C07C29/153 is the Cooperative Patent Classification code for “characterised by the catalyst used.”
- How many patents are filed under CPC C07C29/153 (characterised by the catalyst used)?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC C07C29/153 growing?
- Publication counts under this code: 3 in 2024 vs 5 in 2025 (latest complete years).