Oligomerisation process comprising a step of recycling a pre-cooled solvent
US-12479780-B2 · Nov 25, 2025 · US
by oligomerisation of well-defined unsaturated hydrocarbons without ring formation
by oligomerisation of well-defined unsaturated hydrocarbons without ring formation · 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 | C07C2/04 |
| Official title | by oligomerisation of well-defined unsaturated hydrocarbons without ring formation |
| Display label | by oligomerisation of well-defined unsaturated hydrocarbons without ring formation |
| Total patents | 60 |
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 | 6 |
| 2017 | 6 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Catalyst composition for cyclic olefin polymerization, and method for preparing cyclic olefin-based oligomer or olefin-based polymer by using same
US-2025186981-A1 · Jun 12, 2025 · US
Oligomerisation process comprising a step of recycling a pre-cooled solvent
US-2025084014-A1 · Mar 13, 2025 · US
Methods for thermal oligomerization to liquid fuel range products
US-2025019607-A1 · Jan 16, 2025 · US
Process for converting olefins to jet fuel with olefin recycle
US-2024247198-A1 · Jul 25, 2024 · US
Process for manufacturing olefin trimers and tetramers
US-11964936-B2 · Apr 23, 2024 · US
A process for manufacturing olefin trimers and tetramers
US-2023391688-A1 · Dec 7, 2023 · US
Efficient method of synthesizing linear oligomers and application to frontal ring-opening metathesis polymerization
US-2023357490-A1 · Nov 9, 2023 · US
Apparatus for preparing oligomer
US-11731919-B2 · Aug 22, 2023 · US
Apparatus for preparing oligomer
US-2022340500-A1 · Oct 27, 2022 · US
Methods for producing step dienes
US-2022274098-A1 · Sep 1, 2022 · US
Phosphate-promoted nickel catalyst for high temperature oligomerization
US-11406970-B2 · Aug 9, 2022 · US
Method of preparing trisubstituted ethylene compounds
US-11332426-B2 · May 17, 2022 · US
Phosphate-promoted nickel catalyst for high temperature oligomerization
US-2021362136-A1 · Nov 25, 2021 · US
Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products
US-11168038-B2 · Nov 9, 2021 · US
Fouling prevention method and method for olefin oligomerization
US-11130112-B2 · Sep 28, 2021 · US
Phosphate-promoted nickel catalyst for high temperature oligomerization
US-11084023-B2 · Aug 10, 2021 · US
Membrane and pressure swing adsorption hybrid INRU process
US-11058987-B2 · Jul 13, 2021 · US
Method for producing alpha-olefin oligomer
US-10975001-B2 · Apr 13, 2021 · US
Integrated processes and systems for conversion of methane to multiple higher hydrocarbon products
US-2021053889-A1 · Feb 25, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2/04?
- CPC C07C2/04 is the Cooperative Patent Classification code for “by oligomerisation of well-defined unsaturated hydrocarbons without ring formation.”
- How many patents are filed under CPC C07C2/04 (by oligomerisation of well-defined unsaturated hydrocarbons without ring formation)?
- Our database includes 60 publications tagged with this CPC code.
- Is patent activity under CPC C07C2/04 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).