Method for engineered geothermal system treatment using brines
US-2024352305-A1 · Oct 24, 2024 · US
containing inorganic compounds
containing inorganic compounds · 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 | C09K8/5045 |
| Official title | {containing inorganic compounds} |
| Display label | containing inorganic compounds |
| Total patents | 537 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 16 |
| 2017 | 17 |
| 2018 | 32 |
| 2019 | 76 |
| 2020 | 63 |
| 2021 | 77 |
| 2022 | 62 |
| 2023 | 69 |
| 2024 | 61 |
| 2025 | 39 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Low-density treatment fluid and methods for treating thief zones located above pay zones
US-12116525-B2 · Oct 15, 2024 · US
Loss circulation compositions (LCM) having portland cement clinker
US-10144860-B1 · Dec 4, 2018 · US
Use of ultra lightweight particulates in multi-path gravel packing operations
US-2018258743-A1 · Sep 13, 2018 · US
Nanosilica dispersion lost circulation material (lcm)
US-2018223148-A1 · Aug 9, 2018 · US
Viscous settable fluid for lost circulation in subterranean formations
US-10011755-B2 · Jul 3, 2018 · US
Water control agent for oilfield application
US-2018163122-A1 · Jun 14, 2018 · US
Controlled swelling of swellable polymers downhole
US-9988873-B2 · Jun 5, 2018 · US
Using colloidal silica as isolator, diverter and blocking agent for subsurface geological applications
US-9909052-B2 · Mar 6, 2018 · US
Methods of preparing treatment fluids comprising anhydrous ammonia for use in subterranean formation operations
US-2018030340-A1 · Feb 1, 2018 · US
Reversible aminal gel compositions, methods, and use
US-9879170-B2 · Jan 30, 2018 · US
Two-component lost circulation pill for seepage to moderate loss control
US-2018010030-A1 · Jan 11, 2018 · US
Grout fluids for use in a geothermal well loop
US-9845423-B2 · Dec 19, 2017 · US
Fluid efficiency for viscoelastic surfactant based fluids with nanoparticles
US-2017342308-A1 · Nov 30, 2017 · US
Reversible aminal gel compositions, methods, and use
US-2017335161-A1 · Nov 23, 2017 · US
Acid-soluble cement composition
US-2017321107-A1 · Nov 9, 2017 · US
Resilient carbon-based materials as lost circulation materials and related methods
US-2017321102-A1 · Nov 9, 2017 · US
Compositions and methods for treating a subterranean formation
US-9783732-B2 · Oct 10, 2017 · US
Polymer elastic particle reservoir protecting agent and drilling fluid containing the same
US-9771509-B1 · Sep 26, 2017 · US
Methods for increased hydrocarbon recovery through mineralization sealing of hydraulically fractured rock followed by refracturing
US-9739129-B2 · Aug 22, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K8/5045?
- CPC C09K8/5045 is the Cooperative Patent Classification code for “containing inorganic compounds.”
- How many patents are filed under CPC C09K8/5045 (containing inorganic compounds)?
- Our database includes 537 publications tagged with this CPC code.
- Is patent activity under CPC C09K8/5045 growing?
- Publication counts under this code: 61 in 2024 vs 39 in 2025 (latest complete years).