Catalyst for preparing ethylene glycol and/or propylene glycol
US-2026062366-A1 · Mar 5, 2026 · US
of >C=O containing groups, e.g. —COOH
of >C=O containing groups, e.g. —COOH · 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 | C07C29/136 |
| Official title | of >C=O containing groups, e.g. —COOH |
| Display label | of >C=O containing groups, e.g. —COOH |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 3 |
| 2024 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and catalyst for producing alcohol
US-12139449-B2 · Nov 12, 2024 · US
Process for purification of a mixture including diols and acetals
US-2024294451-A1 · Sep 5, 2024 · US
Process for the production of ethylene glycol and heterogeneous catalyst composition
US-11358129-B2 · Jun 14, 2022 · US
Synthesis of 1,3-olein-2-palmitin (OPO)
US-11261401-B2 · Mar 1, 2022 · US
Integrated process for the production of isononanol and gasoline and diesel blending components
US-11236031-B2 · Feb 1, 2022 · US
Integrated process for the production of isononanol and gasoline and diesel blending components
US-2021253504-A1 · Aug 19, 2021 · US
Catalyst for hydrogenation of carbonyl compound and alcohol production method
US-2021253505-A1 · Aug 19, 2021 · US
Catalyst for hydrogenation of carbonyl compound and alcohol production method
US-2021238113-A1 · Aug 5, 2021 · US
Catalyst for hydrogenation of carbonyl compound and alcohol production method
US-11014862-B2 · May 25, 2021 · US
Method and catalyst for producing alcohol
US-2021139398-A1 · May 13, 2021 · US
Process for the production of ethylene glycol and eterogeneous catalyst composition
US-2020406237-A1 · Dec 31, 2020 · US
Tablet-form copper manganese-based catalyst with increased stability against the action of acid
US-10744487-B2 · Aug 18, 2020 · US
Preparation of maleate and maleimide monomers and polymeric materials from triglycerides
US-10703845-B2 · Jul 7, 2020 · US
Synthesis of 1,3-olein-2-palmitin (opo)
US-2020190430-A1 · Jun 18, 2020 · US
Surface modified metallic foam body, process for its production and use thereof
US-10596556-B2 · Mar 24, 2020 · US
Tablet-form copper manganese-based catalyst with increased stability against the action of acid
US-2019321808-A1 · Oct 24, 2019 · US
Process for preparing an alpha, omega-alkanediol
US-10450590-B2 · Oct 22, 2019 · US
Reduction catalyst and chemical reactor
US-10308574-B2 · Jun 4, 2019 · US
Process for making biobased propylene glycol from lactic acid esters
US-10138186-B2 · Nov 27, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C29/136?
- CPC C07C29/136 is the Cooperative Patent Classification code for “of >C=O containing groups, e.g. —COOH.”
- How many patents are filed under CPC C07C29/136 (of >C=O containing groups, e.g. —COOH)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC C07C29/136 growing?
- Publication counts under this code: 3 in 2022 vs 2 in 2024 (latest complete years).