Gas phase production of alkyl alkanoates
US-10144697-B2 · Dec 4, 2018 · US
by addition to an unsaturated carbon-to-carbon bond
by addition to an unsaturated carbon-to-carbon bond · 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 | C07C67/38 |
| Official title | by addition to an unsaturated carbon-to-carbon bond |
| Display label | by addition to an unsaturated carbon-to-carbon bond |
| Total patents | 137 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 16 |
| 2017 | 16 |
| 2018 | 14 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 10 |
| 2022 | 13 |
| 2023 | 10 |
| 2024 | 9 |
| 2025 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for hydroformylation of pentenoic esters
US-2018290957-A1 · Oct 11, 2018 · US
Method for preparing di- or tricarboxylic esters by alkoxycarbonylation of dienes having conjugated double bonds
US-9981903-B2 · May 29, 2018 · US
1, 1′-bis(phosphino)ferrocene ligands for alkoxycarbonylation
US-9938310-B2 · Apr 10, 2018 · US
Gas phase production of alkyl alkanoate
US-9938226-B2 · Apr 10, 2018 · US
Gas phase production of alkyl alkanoates
US-2018057441-A1 · Mar 1, 2018 · US
1, 1' -bis(phosphino)ferrocene ligands for alkoxycarbonylation
US-2018022773-A1 · Jan 25, 2018 · US
Method for preparing di- or tricarboxylic esters by alkoxycarbonylation of dienes having conjugated double bonds
US-2018022687-A1 · Jan 25, 2018 · US
Process for the alkoxycarbonylation of alcohols
US-2018022765-A1 · Jan 25, 2018 · US
Process for the alkoxycarbonylation of olefins in a medium having a low brønsted acid concentration
US-2018022686-A1 · Jan 25, 2018 · US
Process for double carbonylation of allyl alcohols to corresponding diesters
US-9850194-B2 · Dec 26, 2017 · US
Palladium Catalyst System Comprising Zwitterion And/Or Acid-Functionalyzed Ionic Liquid
US-2017341067-A1 · Nov 30, 2017 · US
Process for double carbonylation of allyl ethers to corresponding diesters
US-9815766-B2 · Nov 14, 2017 · US
Benzene-based diphosphine ligands for alkoxycarbonylation
US-9725398-B2 · Aug 8, 2017 · US
Phosphine ligand and palladium catalysts based thereon for the alkoxycarbonylation of ethylenically unsaturated compounds
US-9688604-B2 · Jun 27, 2017 · US
Process for double carbonylation of allyl alcohols to corresponding diesters
US-2017174610-A1 · Jun 22, 2017 · US
Process for double carbonylation of allyl ethers to corresponding diesters
US-2017174609-A1 · Jun 22, 2017 · US
Method for producing methacrylic acid ester
US-9682915-B2 · Jun 20, 2017 · US
Method for producing ester compound
US-9586887-B2 · Mar 7, 2017 · US
Unsymmetric bisphosphite
US-9556096-B2 · Jan 31, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C67/38?
- CPC C07C67/38 is the Cooperative Patent Classification code for “by addition to an unsaturated carbon-to-carbon bond.”
- How many patents are filed under CPC C07C67/38 (by addition to an unsaturated carbon-to-carbon bond)?
- Our database includes 137 publications tagged with this CPC code.
- Is patent activity under CPC C07C67/38 growing?
- Publication counts under this code: 9 in 2024 vs 13 in 2025 (latest complete years).