Expandable metal slurry for wellbore isolation and sealing
US-11572496-B2 · Feb 7, 2023 · US
Compositions based on water or polar solvents (C09K8/565 takes precedence)
Compositions based on water or polar solvents (C09K8/565 takes precedence) · 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 | C09K8/57 |
| Official title | Compositions based on water or polar solvents (C09K8/565 takes precedence) |
| Display label | Compositions based on water or polar solvents (C09K8/565 takes precedence) |
| Total patents | 30 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 7 |
| 2017 | 2 |
| 2018 | 6 |
| 2019 | 1 |
| 2020 | 5 |
| 2021 | 3 |
| 2022 | 4 |
| 2023 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methodology for developing treatment fluid compositions to enhance near- and far-field diversion downhole
US-11421515-B2 · Aug 23, 2022 · US
Expandable metal slurry for wellbore isolation and sealing
US-2022186104-A1 · Jun 16, 2022 · US
Delivery system for oil-soluble well treatment agents and methods of using the same
US-11254861-B2 · Feb 22, 2022 · US
Method of restraining migration of formation solids in a wellbore
US-11255166-B2 · Feb 22, 2022 · US
Method for treatment of bottomhole formation zone
US-11162023-B2 · Nov 2, 2021 · US
Addition of monovalent salts for improved viscosity of polymer solutions used in oil recovery applications
US-11124694-B2 · Sep 21, 2021 · US
Addition of monovalent salts for improved viscosity of polymer solutions used in oil recovery applications
US-10894914-B2 · Jan 19, 2021 · US
Method of restraining migration of formation solids in a wellbore
US-2020291755-A1 · Sep 17, 2020 · US
Delivery System for Oil-Soluble Well Treatment Agents and Methods of Using the Same
US-2020157417-A1 · May 21, 2020 · US
Activators for inorganic oxide breakers
US-10563115-B2 · Feb 18, 2020 · US
Addition of Monovalent Salts for Improved Viscosity of Polymer Solutions Used in Oil Recovery Applications
US-2020032131-A1 · Jan 30, 2020 · US
Addition of Monovalent Salts for Improved Viscosity of Polymer Solutions Used in Oil Recovery Applications
US-2020032132-A1 · Jan 30, 2020 · US
Addition of monovalent salts for improved viscosity of polymer solutions used in oil recovery applications
US-10513652-B2 · Dec 24, 2019 · US
Method of applying solvent treatments using emulsions
US-10053615-B2 · Aug 21, 2018 · US
Method for determining the effectiveness of asphaltene dispersant additives for inhibiting or preventing asphaltene precipitation in a hydrocarbon-containing material subjected to elevated temperature and presssure conditions
US-9921205-B2 · Mar 20, 2018 · US
Methods of making and using cement coated substrate
US-9896903-B2 · Feb 20, 2018 · US
Addition of Monovalent Salts for Improved Viscosity of Polymer Solutions Used in Oil Recovery Applications
US-2018030185-A1 · Feb 1, 2018 · US
Activators for inorganic oxide breakers
US-2018022984-A1 · Jan 25, 2018 · US
Drill-in fluids comprising nanoparticulates for consolidating subterranean formations while drilling
US-9862875-B2 · Jan 9, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K8/57?
- CPC C09K8/57 is the Cooperative Patent Classification code for “Compositions based on water or polar solvents (C09K8/565 takes precedence).”
- How many patents are filed under CPC C09K8/57 (Compositions based on water or polar solvents (C09K8/565 takes precedence))?
- Our database includes 30 publications tagged with this CPC code.
- Is patent activity under CPC C09K8/57 growing?
- Publication counts under this code: 4 in 2022 vs 1 in 2023 (latest complete years).