Sizing agentcomprising functionalized polyolefins
US-2026078544-A1 · Mar 19, 2026 · US
Di- or polyamines
Di- or polyamines · Cooperative Patent Classification (CPC)
Textile and paper production, treatment, and products.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | D06M13/332 |
| Official title | Di- or polyamines |
| Display label | Di- or polyamines |
| Total patents | 39 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 7 |
| 2021 | 3 |
| 2022 | 9 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fiber membrane prepared based on in-situ growth and application thereof in toluene adsorption
US-2025381527-A1 · Dec 18, 2025 · US
Synergistic flame retardant compositions and fiber blends including the same
US-12391838-B2 · Aug 19, 2025 · US
Cellulose fiber composite
US-12384857-B2 · Aug 12, 2025 · US
Textile material-based porous water splitting catalyst and preparation method therefor
US-12318767-B2 · Jun 3, 2025 · US
Composition containing sizing agent for inorganic fibers and method for producing inorganic fibers
US-2025116061-A1 · Apr 10, 2025 · US
Treatment compositions comprising low levels of an oligoamine
US-12195702-B2 · Jan 14, 2025 · US
Treatment compositions comprising a surfactant system and an oligoamine
US-12180437-B2 · Dec 31, 2024 · US
Water-/oil-repellent agent
US-2024409753-A1 · Dec 12, 2024 · US
Water repellent agent composition and method for producing water repellent fiber product
US-12129595-B2 · Oct 29, 2024 · US
Impregnation resin for a woven or stitched fabric
US-2024092964-A1 · Mar 21, 2024 · US
Reinforcing fibers and molded body using same
US-2023331941-A1 · Oct 19, 2023 · US
Cellulose fiber composite
US-2023118481-A1 · Apr 20, 2023 · US
Sea-island composite fiber, carrier for adsorption, and medical column provided with carrier for adsorption
US-11491462-B2 · Nov 8, 2022 · US
Fabric material-based flexible electrode and manufacturing method thereof
US-11393608-B2 · Jul 19, 2022 · US
Non-cationic softeners and methods of use
US-2022204889-A1 · Jun 30, 2022 · US
Textile material-based porous water splitting catalyst and preparation method therefor
US-2022184592-A1 · Jun 16, 2022 · US
Treatment compositions comprising low levels of an oligoamine
US-2022177810-A1 · Jun 9, 2022 · US
Treatment compositions comprising a surfactant system and an oligoamine
US-2022154107-A1 · May 19, 2022 · US
Treatment compositions comprising low levels of an oligoamine
US-11279901-B2 · Mar 22, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D06M13/332?
- CPC D06M13/332 is the Cooperative Patent Classification code for “Di- or polyamines.”
- How many patents are filed under CPC D06M13/332 (Di- or polyamines)?
- Our database includes 39 publications tagged with this CPC code.
- Is patent activity under CPC D06M13/332 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).