Cyclic diene-containing composition, production method for aldehyde, production method for alcohol, and production method for cyclic diene-containing composition
US-2026035328-A1 · Feb 5, 2026 · US
Diels-Alder conversion
Diels-Alder conversion · 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 | C07C2/50 |
| Official title | Diels-Alder conversion |
| Display label | Diels-Alder conversion |
| Total patents | 32 |
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 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 5 |
| 2023 | 1 |
| 2024 | 6 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Processes and systems for producing desulfurized alpha olefins
US-12378483-B2 · Aug 5, 2025 · US
Preparation process of 5-ethylidene-2-norbornene
US-12297159-B2 · May 13, 2025 · US
Dimerization of cyclopentadiene from side stream from debutanizer
US-12168638-B2 · Dec 17, 2024 · US
Processes and systems for producing desulfurized alpha olefins
US-2024218269-A1 · Jul 4, 2024 · US
Processes for synthesizing paraxylene and catalyst for same
US-2024208883-A1 · Jun 27, 2024 · US
Dimerization of cyclopentadiene from side stream from debutanizer
US-2024116837-A1 · Apr 11, 2024 · US
Preparation process of 5-ethylidene-2-norbornene
US-2024076252-A1 · Mar 7, 2024 · US
Dimerization of cyclopentadiene from side stream from debutanizer
US-11884608-B2 · Jan 30, 2024 · US
Recovery of isoprene and CPD from a pygas stream
US-11739034-B2 · Aug 29, 2023 · US
Dimerization of cyclopentadiene from side stream from debutanizer
US-2022340501-A1 · Oct 27, 2022 · US
Dimerization of cyclopentadiene using shell and tube heat exchanger
US-11465951-B2 · Oct 11, 2022 · US
Recovery of isoprene and cpd from a pygas stream
US-2022306552-A1 · Sep 29, 2022 · US
Hydrocarbon production method and production apparatus
US-11370728-B2 · Jun 28, 2022 · US
Dimerization of cyclopentadiene using shell & tube heat exchanger
US-2022017435-A1 · Jan 20, 2022 · US
Dimerization of cyclopentadiene using reactive jet mixing
US-11203556-B2 · Dec 21, 2021 · US
Cyclopentadiene fuels
US-11078139-B1 · Aug 3, 2021 · US
Dimerization of cyclopentadiene using reactive jet mixing
US-2021221754-A1 · Jul 22, 2021 · US
Methods and systems for recovering dicyclopentadiene from pygas
US-10611703-B2 · Apr 7, 2020 · US
Hydrocarbon production method and production apparatus
US-2019375697-A1 · Dec 12, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C2/50?
- CPC C07C2/50 is the Cooperative Patent Classification code for “Diels-Alder conversion.”
- How many patents are filed under CPC C07C2/50 (Diels-Alder conversion)?
- Our database includes 32 publications tagged with this CPC code.
- Is patent activity under CPC C07C2/50 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).