Production method of nonwoven fabric
US-2019382923-A1 · Dec 19, 2019 · US
Condensation or reaction polymers
Condensation or reaction polymers · 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 | D04H3/009 |
| Official title | Condensation or reaction polymers |
| Display label | Condensation or reaction polymers |
| Total patents | 158 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 20 |
| 2016 | 16 |
| 2017 | 7 |
| 2018 | 14 |
| 2019 | 7 |
| 2020 | 13 |
| 2021 | 17 |
| 2022 | 14 |
| 2023 | 18 |
| 2024 | 20 |
| 2025 | 8 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite hot-melt adhesive net film and manufacturing process thereof
US-10472547-B2 · Nov 12, 2019 · US
Material for propeller occlusion of marine vessels
US-10315749-B1 · Jun 11, 2019 · US
Fabric for use in composite materials and method for producing said fabric and a composite material body
US-10161067-B2 · Dec 25, 2018 · US
Force spun sub-micron fiber and applications
US-10119214-B2 · Nov 6, 2018 · US
Method for Forming Porous Fibers
US-2018291528-A1 · Oct 11, 2018 · US
Nonwoven glucan webs
US-2018282918-A1 · Oct 4, 2018 · US
Hybrid fiber unidirectional tape and composite laminates
US-10081158-B2 · Sep 25, 2018 · US
Bi-component fibers with EVOH on the surface for concrete reinforcement
US-10081885-B2 · Sep 25, 2018 · US
Charged nanofibers and methods for making
US-2018209072-A1 · Jul 26, 2018 · US
Nonwoven fabric and method for producing the same
US-2018187353-A1 · Jul 5, 2018 · US
Insulating nonwoven fabric and method for manufacturing the same, insulating material
US-2018187352-A1 · Jul 5, 2018 · US
Stitchbonded thermoplastic nonwoven textile elements
US-2018169963-A1 · Jun 21, 2018 · US
Network structure having excellent compression durability
US-9970140-B2 · May 15, 2018 · US
Mixed fiber spunbonded nonwoven fabric, and method for production and use thereof
US-2018105966-A1 · Apr 19, 2018 · US
Multilayer nonwoven fabric, stretchable multilayer nonwoven fabric, fiber product, absorbent article, and sanitary mask
US-2018051405-A1 · Feb 22, 2018 · US
Method for preparing a nanofiber or non-woven mat
US-9879363-B2 · Jan 30, 2018 · US
Composite hot-melt adhesive net film and manufacturing process thereof
US-2017349792-A1 · Dec 7, 2017 · US
Electrically charged nonwoven fabric, filtration material including same, and method for producing electrically charged nonwoven fabric
US-2017350049-A1 · Dec 7, 2017 · US
Toner cleaning sheet and method of manufacturing same
US-9834889-B2 · Dec 5, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H3/009?
- CPC D04H3/009 is the Cooperative Patent Classification code for “Condensation or reaction polymers.”
- How many patents are filed under CPC D04H3/009 (Condensation or reaction polymers)?
- Our database includes 158 publications tagged with this CPC code.
- Is patent activity under CPC D04H3/009 growing?
- Publication counts under this code: 20 in 2024 vs 8 in 2025 (latest complete years).