Ring opening metathesis catalyst systems for cyclic olefin polymerization
US-12552878-B2 · Feb 17, 2026 · US
having one carbon-to-carbon double bond
having one carbon-to-carbon double 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 | C08F32/04 |
| Official title | having one carbon-to-carbon double bond |
| Display label | having one carbon-to-carbon double bond |
| Total patents | 47 |
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 | 7 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 1 |
| 2020 | 5 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 4 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dental composition
US-12396929-B2 · Aug 26, 2025 · US
Method for producing fluorine-containing polymer and composition thereof
US-12286513-B2 · Apr 29, 2025 · US
Polycyloolefinic polymers and anion exchange membranes derived therefrom
US-2025075029-A1 · Mar 6, 2025 · US
Tethered alkylidenes from organoazides for cyclic polymer synthesis
US-2025043067-A1 · Feb 6, 2025 · US
Polycyloolefinic polymers and anion exchange membranes derived therefrom
US-12180329-B2 · Dec 31, 2024 · US
Electro-optic polymer
US-2024182607-A1 · Jun 6, 2024 · US
Polycyloolefinic polymers and anion exchange membranes derived therefrom
US-2024124641-A1 · Apr 18, 2024 · US
Polycyloolefinic polymers and anion exchange membranes derived therefrom
US-11879033-B2 · Jan 23, 2024 · US
Catalyst for ring expansion metathesis polymerization of cyclic monomers
US-11794178-B2 · Oct 24, 2023 · US
Stabilized UV active organopalladium compounds as vinyl addition catalysts
US-11667731-B2 · Jun 6, 2023 · US
Improved Ring Opening Metathesis Catalyst Systems for Cyclic Olefin Polymerization
US-2023159670-A1 · May 25, 2023 · US
Stabilized uv active organopalladium compounds as vinyl additon catalysts
US-2023038665-A1 · Feb 9, 2023 · US
Method for producing fluorine-containing polymer and composition thereof
US-2022267536-A1 · Aug 25, 2022 · US
Catalyst for ring expansion metathesis polymerization of cyclic monomers
US-2022258146-A1 · Aug 18, 2022 · US
Dental composition
US-2022202658-A1 · Jun 30, 2022 · US
Hindered amine stabilized UV active organopalladium catalyzed polycycloolefin compositions as optical materials
US-11299566-B2 · Apr 12, 2022 · US
Catalyst for ring expansion metathesis polymerization of cyclic monomers
US-11241681-B2 · Feb 8, 2022 · US
Polycyloolefinic polymers and anion exchange membranes derived therefrom
US-2022033571-A1 · Feb 3, 2022 · US
Hindered amine stabilized uv active organopalladium catalyzed polycycloolefin compositions as optical materials
US-2022002453-A1 · Jan 6, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F32/04?
- CPC C08F32/04 is the Cooperative Patent Classification code for “having one carbon-to-carbon double bond.”
- How many patents are filed under CPC C08F32/04 (having one carbon-to-carbon double bond)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C08F32/04 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).