End-Modified Branched Block Copolymers As Dual-Functional Soil Surfactants and Humectants
US-2025361350-A1 · Nov 27, 2025 · US
Prepolymers; Macromolecular compounds
Prepolymers; Macromolecular 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 | C09K17/18 |
| Official title | Prepolymers; Macromolecular compounds |
| Display label | Prepolymers; Macromolecular compounds |
| Total patents | 43 |
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 | 5 |
| 2016 | 7 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 9 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for generating a hydrogel from a co2 gas stream
US-2024376023-A1 · Nov 14, 2024 · US
Drift reduction adjuvants and methods of using the same
US-2024358012-A1 · Oct 31, 2024 · US
Drift reduction adjuvants and methods of using the same
US-12075771-B2 · Sep 3, 2024 · US
Low drift, rainfastness, high uptake and ulv tank mix adjuvant formulation
US-2024141232-A1 · May 2, 2024 · US
Horticulture additive
US-11891346-B2 · Feb 6, 2024 · US
Systems and methods for generating a hydrogel from a co2 gas stream
US-2023374209-A1 · Nov 23, 2023 · US
Atmospheric water harvesting system
US-2023365865-A1 · Nov 16, 2023 · US
Horticulture Additive
US-2023348784-A1 · Nov 2, 2023 · US
Drift reduction adjuvants and methods of using the same
US-2023345933-A1 · Nov 2, 2023 · US
Drift reduction adjuvants and methods of using the same
US-11737455-B2 · Aug 29, 2023 · US
Branched Wetting Agents For Enhanced Treatment of Drought Field Conditions
US-2023127813-A1 · Apr 27, 2023 · US
Pourable liquid formulations of solid wetting agents
US-2023128169-A1 · Apr 27, 2023 · US
Super absorbent polymer and a method of increasing sugar content in plants
US-2023080532-A1 · Mar 16, 2023 · US
Horticulture Additive
US-2023081187-A1 · Mar 16, 2023 · US
Soil wetter composition
US-2022396734-A1 · Dec 15, 2022 · US
Methods to enhance soil water infiltration and to reduce soil water repellency using a surfactant composition
US-11490617-B2 · Nov 8, 2022 · US
Soil treatment
US-11060028-B2 · Jul 13, 2021 · US
Drift reduction adjuvants and methods of using the same
US-2021127665-A1 · May 6, 2021 · US
Horticulture Additive
US-2021100177-A1 · Apr 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K17/18?
- CPC C09K17/18 is the Cooperative Patent Classification code for “Prepolymers; Macromolecular compounds.”
- How many patents are filed under CPC C09K17/18 (Prepolymers; Macromolecular compounds)?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC C09K17/18 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).