Process and device for the formation of directly-formed cellulosic webs
US-11767623-B2 · Sep 26, 2023 · 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 | D04H3/013 |
| Official title | Regenerated cellulose series |
| Display label | Regenerated cellulose series |
| Total patents | 84 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 6 |
| 2017 | 1 |
| 2018 | 10 |
| 2019 | 5 |
| 2020 | 8 |
| 2021 | 15 |
| 2022 | 8 |
| 2023 | 14 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and device for producing spunbonded fabric
US-2023085228-A1 · Mar 16, 2023 · US
Wiping Products Made from Foam Formed Webs
US-2023024297-A1 · Jan 26, 2023 · US
Process and device for the formation of directly-formed cellulosic webs
US-2022364282-A1 · Nov 17, 2022 · US
Method and device for cleaning spinnerets while producing cellulose spunbonded nonwoven fabric
US-2022316096-A1 · Oct 6, 2022 · US
Fibrous fleece material
US-2022304373-A1 · Sep 29, 2022 · US
Fiber article
US-2022275546-A1 · Sep 1, 2022 · US
Process and device for the formation of directly-formed cellulosic webs
US-11371173-B2 · Jun 28, 2022 · US
Mattress assemblies and components including phase change
US-2022154058-A1 · May 19, 2022 · US
Nonwoven cellulose fiber fabric with homogeneously merged fibers
US-11326283-B2 · May 10, 2022 · US
Method for recovering solvent and cellulose in the production of cellulosic spun-bonded nonwoven fabrics
US-2022106719-A1 · Apr 7, 2022 · US
Fibrous structures exhibiting improved whiteness index values
US-2021380783-A1 · Dec 9, 2021 · US
Fabrics with Improved Barrier Properties
US-2021363690-A1 · Nov 25, 2021 · US
Process For Producing Deformed Nonwoven
US-2021324557-A1 · Oct 21, 2021 · US
Method and apparatus for precipitating solvent out of the process air in spunbond production
US-2021292949-A1 · Sep 23, 2021 · US
Fibrous structures exhibiting improved whiteness index values
US-11091606-B2 · Aug 17, 2021 · US
Pouched products with heat sealable binder
US-2021204585-A1 · Jul 8, 2021 · US
Fibrous fleece material
US-2021169138-A1 · Jun 10, 2021 · US
Nonwoven material, use of the nonwoven material, and wiping cloth, drying cloth and face mask containing the nonwoven material
US-2021164138-A1 · Jun 3, 2021 · US
Polysaccharide fibers and method for the production thereof
US-11008672-B2 · May 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D04H3/013?
- CPC D04H3/013 is the Cooperative Patent Classification code for “Regenerated cellulose series.”
- How many patents are filed under CPC D04H3/013 (Regenerated cellulose series)?
- Our database includes 84 publications tagged with this CPC code.
- Is patent activity under CPC D04H3/013 growing?
- Publication counts under this code: 8 in 2024 vs 4 in 2025 (latest complete years).