Water soluble fibers with post process modifications and articles containing same
US-2024401246-A1 · Dec 5, 2024 · US
Addition polymers
Addition 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 | D04H1/4282 |
| Official title | Addition polymers |
| Display label | Addition polymers |
| Total patents | 76 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 8 |
| 2021 | 5 |
| 2022 | 9 |
| 2023 | 11 |
| 2024 | 14 |
| 2025 | 6 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Nonwoven with Bio Particles and Methods of Making the Same
US-2024366432-A1 · Nov 7, 2024 · US
Nanofiber networks as membrane mimics for in vitro applications
US-2024318111-A1 · Sep 26, 2024 · US
Composite fiber inks and electrodes and applications of same
US-2024304779-A1 · Sep 12, 2024 · US
Method of making absorbent structures with high absorbency and low basis weight
US-12037748-B2 · Jul 16, 2024 · US
Absorbent structures with high strength and low md stretch
US-2024068169-A1 · Feb 29, 2024 · US
Conductive nonwoven fabric, and method for manufacturing conductive nonwoven fabric
US-2023411037-A1 · Dec 21, 2023 · US
Absorbent structures with high strength and low MD stretch
US-11846074-B2 · Dec 19, 2023 · US
Absorbent structures with high absorbency and low basis weight
US-2023383472-A1 · Nov 30, 2023 · US
Multifunctional filter materials
US-2023292860-A1 · Sep 21, 2023 · US
Efficient and stable magnetic nanofiber membrane and preparation method and use thereof
US-2023285905-A1 · Sep 14, 2023 · US
Self-adhesive patches made of fibres for the controlled release of bioactives
US-2023270688-A1 · Aug 31, 2023 · US
Technique for forming porous fibers
US-11724002-B2 · Aug 15, 2023 · US
Absorbent structures with high absorbency and low basis weight
US-11702798-B2 · Jul 18, 2023 · US
Nonwoven fibrous webs and methods of making and using thereof
US-2023180747-A1 · Jun 15, 2023 · US
Noise control article
US-11603610-B2 · Mar 14, 2023 · US
Fiber aggregation, short fiber and method of manufacturing the same, and film and method of manufacturing the same
US-11590685-B2 · Feb 28, 2023 · US
Non-woven fabric for liquid-permeable sheet of absorbent article, and absorbent article which includes said non-woven fabric as liquid-permeable sheet
US-11529267-B2 · Dec 20, 2022 · US
Protective film for lithium electrode and lithium electrode for lithium secondary battery comprising same
US-2022399546-A1 · Dec 15, 2022 · US
Fiber molded body for sound absorbing/sound insulation materials
US-2022389631-A1 · Dec 8, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H1/4282?
- CPC D04H1/4282 is the Cooperative Patent Classification code for “Addition polymers.”
- How many patents are filed under CPC D04H1/4282 (Addition polymers)?
- Our database includes 76 publications tagged with this CPC code.
- Is patent activity under CPC D04H1/4282 growing?
- Publication counts under this code: 14 in 2024 vs 6 in 2025 (latest complete years).