Method of making a nonwoven fiber web, nonwoven fiber web, and multi-component fiber
US-12000071-B2 · Jun 4, 2024 · US
Regenerated cellulose series
Regenerated cellulose series · 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 | D04H1/4258 |
| Official title | Regenerated cellulose series |
| Display label | Regenerated cellulose series |
| Total patents | 220 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 8 |
| 2017 | 10 |
| 2018 | 17 |
| 2019 | 13 |
| 2020 | 37 |
| 2021 | 17 |
| 2022 | 29 |
| 2023 | 25 |
| 2024 | 20 |
| 2025 | 25 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fiber materials with improved properties for use in wound treatment
US-2019380880-A1 · Dec 19, 2019 · US
Laminated nonwoven fabric
US-2019375187-A1 · Dec 12, 2019 · US
Filter media with fibrillated fibers
US-10478758-B2 · Nov 19, 2019 · US
Lyocell fiber, nonwoven fibrous aggregate containing the same, and a mask pack sheet containing the same
US-2019345641-A1 · Nov 14, 2019 · US
Nonaqueous electrolyte battery and battery pack
US-2019334148-A1 · Oct 31, 2019 · US
Liquid-impregnated nonwoven fabric which contains zinc oxide-containing cellulose fibers
US-10456340-B2 · Oct 29, 2019 · US
Process and device for the formation of directly-formed cellulosic webs
US-2019264356-A1 · Aug 29, 2019 · US
Polysaccharide fibers and method for the production thereof
US-2019186049-A1 · Jun 20, 2019 · US
Highly absorbent polysaccharide fiber and use thereof
US-10220111-B2 · Mar 5, 2019 · US
Polysaccharide fibers and method for the production thereof
US-10221502-B2 · Mar 5, 2019 · US
Polysaccharide fibers and method for producing same
US-10196758-B2 · Feb 5, 2019 · US
Cleaning Product With Low Lint and High Fluid Absorbency and Release Properties
US-2019008354-A1 · Jan 10, 2019 · US
Polymeric structures comprising a dual purpose and/or component thereof and methods for making same
US-10155358-B2 · Dec 18, 2018 · US
Polysaccharide fibers and method for producing same
US-2018340270-A1 · Nov 29, 2018 · US
Nanofiber and nonwoven fabric
US-2018327932-A1 · Nov 15, 2018 · US
Polysaccharide fibers and method for producing same
US-2018320291-A1 · Nov 8, 2018 · US
Resorbable laparoscopically deployable hemostat
US-10111782-B2 · Oct 30, 2018 · US
Dispersible moist wipe
US-10113254-B2 · Oct 30, 2018 · US
Wiping Product and Method For Making Same
US-2018303294-A1 · Oct 25, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H1/4258?
- CPC D04H1/4258 is the Cooperative Patent Classification code for “Regenerated cellulose series.”
- How many patents are filed under CPC D04H1/4258 (Regenerated cellulose series)?
- Our database includes 220 publications tagged with this CPC code.
- Is patent activity under CPC D04H1/4258 growing?
- Publication counts under this code: 20 in 2024 vs 25 in 2025 (latest complete years).