Polymer viscosity reducer for water-based drilling fluid and preparation method thereof
US-12286583-B1 · Apr 29, 2025 · US
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Monomers containing three or more carbon atoms in the unsaturated aliphatic radical
Monomers containing three or more carbon atoms in the unsaturated aliphatic radical · 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 | C08F216/20 |
| Official title | Monomers containing three or more carbon atoms in the unsaturated aliphatic radical |
| Display label | Monomers containing three or more carbon atoms in the unsaturated aliphatic radical |
| Total patents | 23 |
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 | 2 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Oxyethylene chain-containing polymer
US-2025101146-A1 · Mar 27, 2025 · US
Multifunctional fluorinated phosphorous compounds, methods of making, and articles and uses thereof
US-2025002510-A1 · Jan 2, 2025 · US
Polyvinyl esters and methods related thereto
US-11667733-B2 · Jun 6, 2023 · US
A crosslinking material and uses thereof
US-2023117877-A1 · Apr 20, 2023 · US
A crosslinking material and uses thereof
US-2023114335-A1 · Apr 13, 2023 · US
Crosslinking material and uses thereof
US-11597791-B2 · Mar 7, 2023 · US
Copolymer and hydraulic binder composition
US-2022371957-A1 · Nov 24, 2022 · US
Polyvinyl esters and methods related thereto
US-2021324121-A1 · Oct 21, 2021 · US
Crosslinking material and uses thereof
US-2021301056-A1 · Sep 30, 2021 · US
Composition for lithium secondary battery electrodes
US-10777819-B2 · Sep 15, 2020 · US
Vinyl chloride-based resin composition and method for producing same
US-10590216-B2 · Mar 17, 2020 · US
Sulfuric-acid-(salt)-ester-group-containing copolymer and method for producing same
US-2020031967-A1 · Jan 30, 2020 · US
Antifouling coating composition
US-2019352514-A1 · Nov 21, 2019 · US
Shape memory polymer, preparation method therefor, and use thereof
US-10364312-B2 · Jul 30, 2019 · US
Composition for lithium secondary battery electrodes
US-2019074517-A1 · Mar 7, 2019 · US
Vinyl chloride-based resin composition and method for producing same
US-2018346624-A1 · Dec 6, 2018 · US
Antifouling coating composition
US-2018051179-A1 · Feb 22, 2018 · US
Shape memory polymer, preparation method therefor, and use thereof
US-2018044458-A1 · Feb 15, 2018 · US
Method for producing homopolymer or random copolymer of hydroxyl group-containing vinyl ether
US-9777085-B2 · Oct 3, 2017 · US