Apopinene as a biorenewable monomer for ring-opening metathesis polymerization
US-9850340-B2 · Dec 26, 2017 · US
derived from other polycyclic systems
derived from other polycyclic systems · 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 | C08G2261/3325 |
| Official title | derived from other polycyclic systems |
| Display label | derived from other polycyclic systems |
| Total patents | 278 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 25 |
| 2017 | 31 |
| 2018 | 32 |
| 2019 | 23 |
| 2020 | 25 |
| 2021 | 28 |
| 2022 | 28 |
| 2023 | 32 |
| 2024 | 19 |
| 2025 | 18 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ruthenium polymerisation catalysts
US-9815765-B2 · Nov 14, 2017 · US
Polymer composition and molded body
US-2017321030-A1 · Nov 9, 2017 · US
Three-dimensional inkjet printing using ring-opening metathesis polymerization
US-2017306171-A1 · Oct 26, 2017 · US
Cyclic olefin ring-opened polymer hydride, resin molded article, and optical member
US-2017306080-A1 · Oct 26, 2017 · US
Resin Composition and Pneumatic Tire Using Same
US-2017291451-A1 · Oct 12, 2017 · US
Ion exchange membrane
US-9745433-B2 · Aug 29, 2017 · US
Resin molded article
US-2017218191-A1 · Aug 3, 2017 · US
Oxygen-absorbing resin composition
US-2017203278-A1 · Jul 20, 2017 · US
Ion exchange membrane
US-2017183464-A1 · Jun 29, 2017 · US
Rubber Composition for Tires and Pneumatic Tire
US-2017152374-A1 · Jun 1, 2017 · US
Organic film transistor, organic semiconductor film, organic semiconductor material and application of these
US-9653686-B2 · May 16, 2017 · US
Polymerizable composition, resin shaped article, and laminate
US-9650462-B2 · May 16, 2017 · US
Resin composition and molded product thereof
US-9631083-B2 · Apr 25, 2017 · US
Catalysts and methods for ring opening metathesis polymerization
US-9611347-B2 · Apr 4, 2017 · US
Sealing material for secondary battery and sealing material composition for secondary battery
US-9601726-B2 · Mar 21, 2017 · US
Use of particular polymers as charge storage means
US-2017062825-A1 · Mar 2, 2017 · US
Polycycloolefin polymer compositions as optical materials
US-2017058145-A1 · Mar 2, 2017 · US
Hydrogenated tetracyclododecene-based ring-opening polymer and method for producing same
US-2017002133-A1 · Jan 5, 2017 · US
Polymer compound and light emitting device using the same
US-9530966-B2 · Dec 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G2261/3325?
- CPC C08G2261/3325 is the Cooperative Patent Classification code for “derived from other polycyclic systems.”
- How many patents are filed under CPC C08G2261/3325 (derived from other polycyclic systems)?
- Our database includes 278 publications tagged with this CPC code.
- Is patent activity under CPC C08G2261/3325 growing?
- Publication counts under this code: 19 in 2024 vs 18 in 2025 (latest complete years).