Smart cellulose mulch
US-2025382521-A1 · Dec 18, 2025 · US
Mulches
Mulches · 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 | C09K17/52 |
| Official title | Mulches |
| Display label | Mulches |
| Total patents | 28 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preventing the diffusion of soil fumigant
US-12280409-B2 · Apr 22, 2025 · US
Systems and methods for recycling end-of-use textiles into second generation textiles
US-2025008884-A1 · Jan 9, 2025 · US
Nonwoven biofabrics
US-2023203724-A1 · Jun 29, 2023 · US
Biodegradable urea-formaldehyde-based sand-fixing polymer material with slow nutrient release and water absorption and retention
US-2023123541-A1 · Apr 20, 2023 · US
Paper sheet mulches and methods of making the same
US-11525086-B2 · Dec 13, 2022 · US
Compositions and methods relating to functionalized sands
US-11497177-B2 · Nov 15, 2022 · US
Method for preventing the diffusion of soil fumigant
US-2022331849-A1 · Oct 20, 2022 · US
Soil additives for promoting seed germination, for prevention of evaporation and methods for use
US-11111436-B2 · Sep 7, 2021 · US
Polymer composition for highly disintegratable film
US-10988587-B2 · Apr 27, 2021 · US
Paper sheet mulches and methods of making the same
US-2021062090-A1 · Mar 4, 2021 · US
Compositions and methods relating to functionalized sands
US-2020253138-A1 · Aug 13, 2020 · US
Polymer composition for highly disintegratable film
US-2020002487-A1 · Jan 2, 2020 · US
Hydrophobic-hydrophilic switchable polymers for use in agriculture
US-2019055470-A1 · Feb 21, 2019 · US
Method and system of treating biomass wastes by biochemistry-thermochemistry multi-point interconnection
US-10196569-B2 · Feb 5, 2019 · US
A ground cover mulch impregnated with supercritical fluid comprising a colorant
US-2018371316-A1 · Dec 27, 2018 · US
Soil Additives for Promoting Seed Germination, for Prevention of Evaporation and Methods for Use
US-2018362846-A1 · Dec 20, 2018 · US
A ground cover mulch comprising a microfibrillated polysaccharide
US-2018355248-A1 · Dec 13, 2018 · US
A ground cover mulch comprising minerals and functional agents
US-2018346813-A1 · Dec 6, 2018 · US
Apparatus and method for coating particulate material
US-10113114-B2 · Oct 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09K17/52?
- CPC C09K17/52 is the Cooperative Patent Classification code for “Mulches.”
- How many patents are filed under CPC C09K17/52 (Mulches)?
- Our database includes 28 publications tagged with this CPC code.
- Is patent activity under CPC C09K17/52 growing?
- Publication counts under this code: 2 in 2023 vs 3 in 2025 (latest complete years).