Multifunctional foaming composition with wettability modifying, corrosion inhibitory and mineral scale inhibitory/dispersants properties for high temperature and ultra high salinity
US-2018273830-A1 · Sep 27, 2018 · US
characterised by their form or by the form of their components, e.g. encapsulated material
characterised by their form or by the form of their components, e.g. encapsulated 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 | C09K8/536 |
| Official title | characterised by their form or by the form of their components, e.g. encapsulated material |
| Display label | characterised by their form or by the form of their components, e.g. encapsulated material |
| Total patents | 289 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 16 |
| 2017 | 22 |
| 2018 | 38 |
| 2019 | 32 |
| 2020 | 37 |
| 2021 | 25 |
| 2022 | 24 |
| 2023 | 29 |
| 2024 | 17 |
| 2025 | 27 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods of extracting hydrocarbons from a subterranean formation, and methods of treating a hydrocarbon material within a subterranean formation
US-10060237-B2 · Aug 28, 2018 · US
Method and apparatus for characterizing inorganic scale formation conditions employing a microfludic device
US-2018221867-A1 · Aug 9, 2018 · US
Method of using phthalic and terephthalic acids and derivatives thereof in well treatment operations
US-9919966-B2 · Mar 20, 2018 · US
Microencapsulation of treatment chemicals for use in subterranean formations
US-2017349821-A1 · Dec 7, 2017 · US
Method of monitoring fluid flow from a reservoir using well treatment agents
US-2017350236-A1 · Dec 7, 2017 · US
Water swellable polymer as a diverter for acid stimulation treatments in high temperature environments
US-2017342307-A1 · Nov 30, 2017 · US
Slow-release scale inhibiting compositions
US-2017327727-A1 · Nov 16, 2017 · US
Inorganic fine particle reinforced foam system for oil-gas field and preparation method thereof
US-9777210-B2 · Oct 3, 2017 · US
Functionalized silicate nanoparticle composition, removing and exfoliating asphaltenes with same
US-2017247599-A1 · Aug 31, 2017 · US
Novel inorganic fine particle reinforced foam system for oil-gas field and preparation method thereof
US-2017240800-A1 · Aug 24, 2017 · US
Foam Composition
US-2017240804-A1 · Aug 24, 2017 · US
Subterranean formation processing composition comprising ultrafine cellulose fibers
US-2017226399-A1 · Aug 10, 2017 · US
Foam or viscosified composition containing a chelating agent
US-9725643-B2 · Aug 8, 2017 · US
Protecting a fluid stream from fouling
US-9714374-B2 · Jul 25, 2017 · US
Composite comprising well treatment agent and/or a tracer adhered onto a calcined substrate of a metal oxide coated core and a method of using the same
US-2017198210-A1 · Jul 13, 2017 · US
Functionalized silicate nanoparticle composition, removing and exfoliating asphaltenes with same
US-9683163-B2 · Jun 20, 2017 · US
Metal-Organic Frameworks as Encapsulating Agents
US-2017166805-A1 · Jun 15, 2017 · US
Downhole in-situ heat generation to remove filtercake
US-2017167211-A1 · Jun 15, 2017 · US
Method of enhancing circulation during drill-out of a wellbore barrier using dissovable solid particulates
US-2017159402-A1 · Jun 8, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K8/536?
- CPC C09K8/536 is the Cooperative Patent Classification code for “characterised by their form or by the form of their components, e.g. encapsulated material.”
- How many patents are filed under CPC C09K8/536 (characterised by their form or by the form of their components, e.g. encapsulated material)?
- Our database includes 289 publications tagged with this CPC code.
- Is patent activity under CPC C09K8/536 growing?
- Publication counts under this code: 17 in 2024 vs 27 in 2025 (latest complete years).