Compositions and methods for cleaning and stripping
US-2026062568-A1 · Mar 5, 2026 · US
with surface-active agents
with surface-active agents · 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 | C09D9/04 |
| Official title | with surface-active agents |
| Display label | with surface-active agents |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 4 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 4 |
| 2024 | 8 |
| 2025 | 8 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Paint remover having reduced flammability
US-12509597-B2 · Dec 30, 2025 · US
Deinking method, deinking agent for use in said deinking method, and plastic substrate recovery method using same
US-12503613-B2 · Dec 23, 2025 · US
Corrosion resistant paint remover emulsion compositions
US-2025277121-A1 · Sep 4, 2025 · US
Strip free floor system
US-2025236757-A1 · Jul 24, 2025 · US
Ink jet recording method and ink jet recording apparatus
US-2025074061-A1 · Mar 6, 2025 · US
Surfactants for inks, paints, and adhesives
US-2025059395-A1 · Feb 20, 2025 · US
Method for cleaning semiconductor substrate, method for manufacturing processed semiconductor substrate, and releasing and dissolving composition
US-2025043216-A1 · Feb 6, 2025 · US
Ink set and inkjet recording apparatus
US-2025019557-A1 · Jan 16, 2025 · US
Maintenance method and image recording device
US-2024424797-A1 · Dec 26, 2024 · US
Cleaning liquid
US-2024263026-A1 · Aug 8, 2024 · US
Cleaning liquid, set, ink-jet recording apparatus and cleaning method
US-12030316-B2 · Jul 9, 2024 · US
Paint remover
US-12031061-B2 · Jul 9, 2024 · US
Method for cleaning semiconductor substrate, method for manufacturing processed semiconductor substrate, and peeling and dissolving composition
US-2024132806-A1 · Apr 25, 2024 · US
Compositions for Improving the Environmental Impact of Printing and Dyeing
US-2024124724-A1 · Apr 18, 2024 · US
Deinking method, deinking agent for use in said deinking method, and plastic substrate recovery method using same
US-2024124723-A1 · Apr 18, 2024 · US
Color-change and erasable writing compositions, writing instruments, and systems
US-2024124727-A1 · Apr 18, 2024 · US
Branched amino acid surfactants for inks, paints, and adhesives
US-11787967-B2 · Oct 17, 2023 · US
Recycling system for recycling plastic laminate into recycled materials, recycling method, and laminate separation and recovery method
US-2023234263-A1 · Jul 27, 2023 · US
A method to deink plastic material
US-2023129662-A1 · Apr 27, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D9/04?
- CPC C09D9/04 is the Cooperative Patent Classification code for “with surface-active agents.”
- How many patents are filed under CPC C09D9/04 (with surface-active agents)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC C09D9/04 growing?
- Publication counts under this code: 8 in 2024 vs 8 in 2025 (latest complete years).