Polyester-polyether-modified polybutadienes and processes for preparation thereof
US-2022403063-A1 · Dec 22, 2022 · US
Epoxidation
Epoxidation · 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 | C08F8/08 |
| Official title | Epoxidation |
| Display label | Epoxidation |
| Total patents | 85 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 10 |
| 2020 | 7 |
| 2021 | 11 |
| 2022 | 11 |
| 2023 | 7 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Treatment of epoxidized unsaturated isoolefin copolymers
US-11421052-B2 · Aug 23, 2022 · US
Modified Conjugated Diene-Based Polymer and Rubber Composition Including the Same
US-2022259333-A1 · Aug 18, 2022 · US
Modified Conjugated Diene-Based Polymer, Method for Preparing the Same and Rubber Composition Including the Same
US-2022204674-A1 · Jun 30, 2022 · US
Method of epoxidation
US-2022177693-A1 · Jun 9, 2022 · US
Modified Conjugated Diene-Based Polymer, Method for Preparing the Same and Rubber Composition Including the Same
US-2022127438-A1 · Apr 28, 2022 · US
Crosslinked polydiallymine copolymers for the treatment of type 2 diabetes
US-11267924-B2 · Mar 8, 2022 · US
Modified Conjugated Diene-Based Polymer, Method for Preparing the Same and Rubber Composition Including the Same
US-2022064351-A1 · Mar 3, 2022 · US
Method of producing protected particles of cathode active materials for lithium batteries
US-11223049-B2 · Jan 11, 2022 · US
Diverting agent and method of filling fracture in well using same
US-2021363412-A1 · Nov 25, 2021 · US
Aliphatic epoxy-terminated polysulfide polymer
US-2021363305-A1 · Nov 25, 2021 · US
Methods of making anion exchange membrane via simultaneous post-functionalization and crosslinking of epoxidized sbs
US-2021309818-A1 · Oct 7, 2021 · US
Pneumatic tire comprising a rubber composition based on epoxidized polyisoprene and a thermoplastic polyurethane
US-2021291590-A1 · Sep 23, 2021 · US
Radiopaque polymers
US-2021277162-A1 · Sep 9, 2021 · US
Stable star-structured functional polyolefins
US-11053396-B2 · Jul 6, 2021 · US
Treatment of epoxidized unsaturated isoolefin copolymers
US-11001648-B2 · May 11, 2021 · US
Titanated catalysts, methods of preparing titanated catalysts, and methods of epoxidation
US-2021129112-A1 · May 6, 2021 · US
Titanated catalysts, methods of preparing titanated catalysts, and methods of epoxidation
US-2021129113-A1 · May 6, 2021 · US
Modified Conjugated Diene-Based Polymer and Rubber Composition Including the Same
US-2021079124-A1 · Mar 18, 2021 · US
Treatment of epoxidized unsaturated isoolefin copolymers
US-2021040243-A1 · Feb 11, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F8/08?
- CPC C08F8/08 is the Cooperative Patent Classification code for “Epoxidation.”
- How many patents are filed under CPC C08F8/08 (Epoxidation)?
- Our database includes 85 publications tagged with this CPC code.
- Is patent activity under CPC C08F8/08 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).