Methods for treatment of mixed plastic waste pyrolysis oil
US-2025270457-A1 · Aug 28, 2025 · US
with ion-exchange material
with ion-exchange material · 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 | C10G25/02 |
| Official title | with ion-exchange material |
| Display label | with ion-exchange material |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 6 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Use of selected resins for sulfate removal in hydrocarbon mediums
US-2025197736-A1 · Jun 19, 2025 · US
Method of removing metal substance in petrochemical product
US-12264125-B2 · Apr 1, 2025 · US
Method of removing metal substance in petrochemical product
US-2024109828-A1 · Apr 4, 2024 · US
Free fatty acid separation and recovery using resin
US-11795403-B2 · Oct 24, 2023 · US
Preparation of a fuel blend
US-11692148-B2 · Jul 4, 2023 · US
Cationic composite silicate filter aids
US-11596921-B2 · Mar 7, 2023 · US
Free fatty acid separation and recovery using resin
US-2022403257-A1 · Dec 22, 2022 · US
Process for reducing the amount of carbon disulphide (CS2) in a hydrocarbon feed
US-11299681-B2 · Apr 12, 2022 · US
Preparation methods of high modulus carbon fiber (HMCF) and precursor (mesophase pitch (MP)) thereof
US-11149361-B1 · Oct 19, 2021 · US
Process for reducing the amount of carbon disulphide (cs 2) in a hydrocarbon feed
US-2021284918-A1 · Sep 16, 2021 · US
Process for reducing total acid number of heat transfer fluid
US-11053446-B2 · Jul 6, 2021 · US
Filter aids for treating oil and methods of preparation and use thereof
US-2020384396-A1 · Dec 10, 2020 · US
Preparation of a fuel blend
US-2020362254-A1 · Nov 19, 2020 · US
Process for removing sulfur compounds from hydrocarbon streams
US-10689583-B2 · Jun 23, 2020 · US
A Process for Reducing Total Acid Number of Heat Transfer Fluid
US-2020157437-A1 · May 21, 2020 · US
Hydrocarbon-in-water purification anion-exchange system
US-10604707-B2 · Mar 31, 2020 · US
Process for removing alkene and/or alkyne from a hydrocarbon feedstock
US-2020010385-A1 · Jan 9, 2020 · US
Low metal biomass-derived pyrolysis oils and processes for producing the same
US-10519079-B2 · Dec 31, 2019 · US
Methods and systems for manufacturing lubrication oils
US-10385286-B2 · Aug 20, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C10G25/02?
- CPC C10G25/02 is the Cooperative Patent Classification code for “with ion-exchange material.”
- How many patents are filed under CPC C10G25/02 (with ion-exchange material)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC C10G25/02 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).