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
with a bridged indene ring, e.g. dicyclopentadiene
with a bridged indene ring, e.g. dicyclopentadiene · 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 | C07C13/61 |
| Official title | with a bridged indene ring, e.g. dicyclopentadiene |
| Display label | with a bridged indene ring, e.g. dicyclopentadiene |
| Total patents | 34 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Abating unwanted emulsion polymerization during extractive distillation of conjugated diene monomers
US-12428360-B2 · Sep 30, 2025 · US
Resin compound and resin composition containing the same
US-12202935-B2 · Jan 21, 2025 · US
Dimerization of cyclopentadiene from side stream from debutanizer
US-12168638-B2 · Dec 17, 2024 · US
Continuous process for the preparation of exo-tetrahydrodicyclopentadiene
US-2024294445-A1 · Sep 5, 2024 · US
Dimerization of cyclopentadiene from side stream from debutanizer
US-2024116837-A1 · Apr 11, 2024 · US
Dimerization of cyclopentadiene from side stream from debutanizer
US-11884608-B2 · Jan 30, 2024 · US
Monoalkyl cyclopentadiene compounds and processes for preparing same
US-11884606-B2 · Jan 30, 2024 · US
Abating unwanted emulsion polymerization during extractive distillation of conjugated diene monomers
US-2023312441-A1 · Oct 5, 2023 · US
Resin compound and resin composition containing the same
US-2023174709-A1 · Jun 8, 2023 · US
Monoalkyl cyclopentadiene compounds and processes for preparing same
US-2023167136-A1 · Jun 1, 2023 · US
Dimerization of cyclopentadiene from side stream from debutanizer
US-2022340501-A1 · Oct 27, 2022 · US
Dimerization of cyclopentadiene using reactive jet mixing
US-11203556-B2 · Dec 21, 2021 · US
Dimerization of cyclopentadiene using reactive jet mixing
US-2021221754-A1 · Jul 22, 2021 · US
Method of producing five-carbon ring-containing compound and five-carbon ring derivative-containing polyurethane, and five-carbon ring derivative-containing polyurethane
US-10654965-B2 · May 19, 2020 · US
Methods and systems for recovering dicyclopentadiene from pygas
US-10611703-B2 · Apr 7, 2020 · US
Dynamic melt crystallization process for purifying dicyclopentadiene from a mixed liquid hydrocarbon stream
US-10561962-B2 · Feb 18, 2020 · US
Methods and systems for recovering dicyclopentadiene from pygas
US-2019225560-A1 · Jul 25, 2019 · US
Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation
US-10227433-B2 · Mar 12, 2019 · US
Method of producing five-carbon ring-containing compound and five-carbon ring derivative-containing polyurethane, and five-carbon ring derivative-containing polyurethane
US-2019048123-A1 · Feb 14, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C13/61?
- CPC C07C13/61 is the Cooperative Patent Classification code for “with a bridged indene ring, e.g. dicyclopentadiene.”
- How many patents are filed under CPC C07C13/61 (with a bridged indene ring, e.g. dicyclopentadiene)?
- Our database includes 34 publications tagged with this CPC code.
- Is patent activity under CPC C07C13/61 growing?
- Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).