Modified liquid diene rubbers, rubber compositions, and sealing materials
US-2023272125-A1 · Aug 31, 2023 · US
Oxidation
Oxidation · 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 | C08C19/04 |
| Official title | Oxidation |
| Display label | Oxidation |
| Total patents | 75 |
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 | 5 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 10 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Modified natural rubber, rubber composition using the rubber, and pneumatic tire using the composition
US-11655357-B2 · May 23, 2023 · US
Recyclable cross-linked diene elastomers comprising furanyl groups and precursors thereof
US-11572422-B2 · Feb 7, 2023 · US
Modified conjugated diene polymer and polymer composition including said modified conjugated diene polymer
US-2022267537-A1 · Aug 25, 2022 · US
Recyclable cross-linked diene elastomers comprising furanyl groups and precursors thereof
US-2022213234-A1 · Jul 7, 2022 · US
Carboxylic acid modified-nitrile based copolymer latex and latex composition for dip-forming comprising the copolymer latex and article formed by the composition
US-2022204732-A1 · Jun 30, 2022 · US
Method of producing protected particles of cathode active materials for lithium batteries
US-2022123321-A1 · Apr 21, 2022 · US
Grafted polymer bearing pendent cyclic carbonate functional groups
US-2022098400-A1 · Mar 31, 2022 · US
Process for preparing halogenated isobutylene isoprene rubber
US-11274166-B2 · Mar 15, 2022 · US
Process for producing peg acrylate-hnbr copolymer
US-2022073666-A1 · Mar 10, 2022 · US
Modified polymerization initiator and modified conjugated diene- based polymer including functional group derived therefrom
US-11254801-B2 · Feb 22, 2022 · US
Method of producing protected particles of cathode active materials for lithium batteries
US-11223049-B2 · Jan 11, 2022 · US
Recyclable cross-linked diene elastomers comprising furanyl groups and precursors thereof
US-11203681-B2 · Dec 21, 2021 · US
Polymeric-inorganic nanoparticle compositions, manufacturing process thereof and their use as lubricant additives
US-11198833-B2 · Dec 14, 2021 · US
Method for producing carboxyl-group-containing nitrile rubber
US-11161920-B2 · Nov 2, 2021 · US
Xanthogen compound dispersion, conjugated-diene-based polymer latex composition, and film molded body
US-2021332224-A1 · Oct 28, 2021 · US
Modified Conjugated Diene-Based Polymer and Method for Preparing Same
US-2021253767-A1 · Aug 19, 2021 · US
Modified natural rubber, rubber composition using the rubber, and pneumatic tire using the composition
US-2021179824-A1 · Jun 17, 2021 · US
Process for preparing halogenated isobutylene isoprene rubber
US-2021130510-A1 · May 6, 2021 · US
End-modified diene polymer, and method for producing the polymer
US-2021122852-A1 · Apr 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08C19/04?
- CPC C08C19/04 is the Cooperative Patent Classification code for “Oxidation.”
- How many patents are filed under CPC C08C19/04 (Oxidation)?
- Our database includes 75 publications tagged with this CPC code.
- Is patent activity under CPC C08C19/04 growing?
- Publication counts under this code: 6 in 2024 vs 2 in 2025 (latest complete years).