Biopolymer composite for water-based treatment fluids
US-2017362486-A1 · Dec 21, 2017 · US
containing natural organic compounds, e.g. polysaccharides, or derivatives thereof
containing natural organic compounds, e.g. polysaccharides, or derivatives thereof · 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 | C09K8/08 |
| Official title | containing natural organic compounds, e.g. polysaccharides, or derivatives thereof |
| Display label | containing natural organic compounds, e.g. polysaccharides, or derivatives thereof |
| Total patents | 287 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 28 |
| 2016 | 19 |
| 2017 | 20 |
| 2018 | 46 |
| 2019 | 67 |
| 2020 | 41 |
| 2021 | 28 |
| 2022 | 10 |
| 2023 | 13 |
| 2024 | 7 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water-based drilling fluid with cyclodextrin shale stabilizer
US-9840652-B2 · Dec 12, 2017 · US
Viscosity enhancer
US-9816362-B2 · Nov 14, 2017 · US
Environmental gelling agent for gravel packing fluids
US-2017298270-A1 · Oct 19, 2017 · US
Treatment fluids comprising finger millet and methods of use
US-2017275517-A1 · Sep 28, 2017 · US
Method for producing drilling fluid from biomass-derived oils
US-9745500-B2 · Aug 29, 2017 · US
Fluid composition comprising glass microspheres and method of making and using the same
US-9725636-B2 · Aug 8, 2017 · US
Biodegradable additive concentrate improving the lubricity of aqueous sludges, use thereof and aqueous sludge for drilling
US-9719006-B2 · Aug 1, 2017 · US
Self-Suspending Proppant Particulates Using Canola Protein-Based Hydrogel
US-2017183563-A1 · Jun 29, 2017 · US
Methods to Place Fluid Loss Materials
US-2017183561-A1 · Jun 29, 2017 · US
Processes to Produce Unpurified Polygalacturonic Acids from Plant Tissue Using Calcium Sequestering Compounds
US-2017073433-A1 · Mar 16, 2017 · US
Poly(alkyenylamide)-polysaccharide hydrogels for treatment of subterranean formations
US-9587469-B2 · Mar 7, 2017 · US
Controlling The Stability Of Water In Water Emulsions
US-2017009127-A1 · Jan 12, 2017 · US
Solids free gellable treatment fluids
US-9518209-B2 · Dec 13, 2016 · US
Methods for Improving the Distribution of a Sealant Composition in a Wellbore and Treatment Fluids Providing the Same
US-2016355726-A1 · Dec 8, 2016 · US
Date seed powder as a fluid loss additive for drilling fluids
US-2016312100-A1 · Oct 27, 2016 · US
Controlling the stability of water in water emulsions
US-9475974-B2 · Oct 25, 2016 · US
Biodegradable, food grade shale stabilizer for use in oil and gas wells
US-2016304764-A1 · Oct 20, 2016 · US
Polypeptides having xanthan degrading activity and polynucleotides encoding same
US-9458441-B2 · Oct 4, 2016 · US
Viscosity enhancer
US-2016272881-A1 · Sep 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K8/08?
- CPC C09K8/08 is the Cooperative Patent Classification code for “containing natural organic compounds, e.g. polysaccharides, or derivatives thereof.”
- How many patents are filed under CPC C09K8/08 (containing natural organic compounds, e.g. polysaccharides, or derivatives thereof)?
- Our database includes 287 publications tagged with this CPC code.
- Is patent activity under CPC C09K8/08 growing?
- Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).