High pressure high temperature (HPHT) aqueous drilling mud composition and process for preparing the same
US-10113099-B2 · Oct 30, 2018 · US
Polymers
Polymers · 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 | C09K8/24 |
| Official title | Polymers |
| Display label | Polymers |
| Total patents | 335 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 11 |
| 2017 | 21 |
| 2018 | 44 |
| 2019 | 38 |
| 2020 | 61 |
| 2021 | 49 |
| 2022 | 28 |
| 2023 | 21 |
| 2024 | 24 |
| 2025 | 26 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dispersant in cement formulations for oil and gas wells
US-2018282216-A1 · Oct 4, 2018 · US
Self-triggering lost circulation control in carbonate formation
US-10047268-B2 · Aug 14, 2018 · US
Spacer fluids and cement slurries that include surfactants
US-2018223168-A1 · Aug 9, 2018 · US
Emulsified drilling fluids and methods of making and use thereof
US-2018223164-A1 · Aug 9, 2018 · US
Spacer fluid compositions that include surfactants
US-2018223169-A1 · Aug 9, 2018 · US
Anti-bit balling drilling fluids, and methods of making and use thereof
US-2018223160-A1 · Aug 9, 2018 · US
Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore
US-2018223156-A1 · Aug 9, 2018 · US
Development of anti-bit balling fluids
US-2018223162-A1 · Aug 9, 2018 · US
Salt-tolerant, thermally-stable rheology modifiers
US-10023782-B2 · Jul 17, 2018 · US
Method For Producing Polymers On The Basis Of Acryloyldimethyltaurate, Neutral Monomers, And Monomers With Carboxylate Groups
US-2018171208-A1 · Jun 21, 2018 · US
Reservoir protecting agent composition for reservoir with cracks, drilling fluid containing the same and use thereof
US-2018118993-A1 · May 3, 2018 · US
Compositions and methods for completing subterranean wells
US-9938447-B2 · Apr 10, 2018 · US
Deep-well polysulfonate drilling fluid and preparation method thereof
US-9926482-B1 · Mar 27, 2018 · US
Crosslinked polymer compositions and methods for use in subterranean formation operations
US-2018022979-A1 · Jan 25, 2018 · US
Barrier pills
US-2018016485-A1 · Jan 18, 2018 · US
Gellable treatment fluids with clay-based gel retarders and related methods
US-9869156-B2 · Jan 16, 2018 · US
Crosslinked polymer compositions for use in subterranean formation operations
US-2018002593-A1 · Jan 4, 2018 · US
In situ swelling of water-swellable polymers downhole
US-2018002590-A1 · Jan 4, 2018 · US
Surfactant responsive emulsion polymerized micro-gels
US-2017369614-A1 · Dec 28, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K8/24?
- CPC C09K8/24 is the Cooperative Patent Classification code for “Polymers.”
- How many patents are filed under CPC C09K8/24 (Polymers)?
- Our database includes 335 publications tagged with this CPC code.
- Is patent activity under CPC C09K8/24 growing?
- Publication counts under this code: 24 in 2024 vs 26 in 2025 (latest complete years).