Rubber composition, crosslinked rubber and tire
US-2025019521-A1 · Jan 16, 2025 · US
with epoxy radicals
with epoxy radicals · 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 | C08C19/40 |
| Official title | with epoxy radicals |
| Display label | with epoxy radicals |
| Total patents | 47 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 9 |
| 2021 | 3 |
| 2022 | 7 |
| 2023 | 2 |
| 2024 | 6 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyether-modified polybutadienes and processes for preparation thereof
US-12139561-B2 · Nov 12, 2024 · US
Polyester-polyether-modified polybutadienes and processes for preparation thereof
US-12104003-B2 · Oct 1, 2024 · US
Hydrogenated polyether-modified amino-functional polybutadienes and processes for preparation thereof
US-2024294676-A1 · Sep 5, 2024 · US
Universal adhesion promoter based on organofunctional modified polybutadienes
US-12054644-B2 · Aug 6, 2024 · US
Hydrogenated polyether-modified polybutadienes and processes for preparation thereof
US-2024247083-A1 · Jul 25, 2024 · US
Aminofunctional polybutadiene with lateral polyether radicals and method for producing same
US-2024141077-A1 · May 2, 2024 · US
Hydrogenated polymers and rubber compositions incorporating the same
US-2023126418-A1 · Apr 27, 2023 · US
Polyether-modified polybutadienes and processes for preparation thereof
US-2023018204-A1 · Jan 19, 2023 · US
Polyester-polyether-modified polybutadienes and processes for preparation thereof
US-2022403063-A1 · Dec 22, 2022 · US
Universal adhesion promoter based on organofunctional modified polybutadienes
US-2022396706-A1 · Dec 15, 2022 · US
Liquid hydrocarbon-based copolymers bearing two cyclocarbonate ester end groups
US-11414516-B2 · Aug 16, 2022 · US
Star-branched diene rubber
US-11414509-B2 · Aug 16, 2022 · US
Liquid hydrocarbon copolymers having two cyclocarbonate ether end groups
US-11279786-B2 · Mar 22, 2022 · US
Anti-reflective film
US-11275199-B2 · Mar 15, 2022 · US
Anti-reflective film
US-11262481-B2 · Mar 1, 2022 · US
Star-branched diene rubber
US-2021139625-A1 · May 13, 2021 · US
Anti-reflective film
US-10983252-B2 · Apr 20, 2021 · US
Antireflection film
US-10895667-B2 · Jan 19, 2021 · US
Anti-reflective film
US-10802178-B2 · Oct 13, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08C19/40?
- CPC C08C19/40 is the Cooperative Patent Classification code for “with epoxy radicals.”
- How many patents are filed under CPC C08C19/40 (with epoxy radicals)?
- Our database includes 47 publications tagged with this CPC code.
- Is patent activity under CPC C08C19/40 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).