Absorbent articles and methods for manufacturing same
US-2022380985-A1 · Dec 1, 2022 · US
by using a foamed suspension
by using a foamed suspension · 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 | D21F11/002 |
| Official title | {by using a foamed suspension} |
| Display label | by using a foamed suspension |
| Total patents | 109 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 11 |
| 2020 | 13 |
| 2021 | 10 |
| 2022 | 13 |
| 2023 | 12 |
| 2024 | 11 |
| 2025 | 17 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Starch-cellulose composite material
US-2022251783-A1 · Aug 11, 2022 · US
Flushable wipe and method of forming the same
US-11391000-B2 · Jul 19, 2022 · US
Method for sizing a multi-ply fiber web and a forming section for a multi-ply fiber web
US-11299857-B2 · Apr 12, 2022 · US
Fibrous sheet with improved properties
US-11255051-B2 · Feb 22, 2022 · US
Dissolved air de-bonding of a tissue sheet
US-11248346-B2 · Feb 15, 2022 · US
Recyclable paper barrier laminate
US-2022034040-A1 · Feb 3, 2022 · US
Method for producing sheet for heat-insulating foamed paper container
US-2021340709-A1 · Nov 4, 2021 · US
Process and system for reorienting fibers in a foam forming process
US-11091879-B2 · Aug 17, 2021 · US
Process and apparatus for wetlaying nonwovens
US-2021238804-A1 · Aug 5, 2021 · US
Method and apparatus for producing a fibre web
US-2021156089-A1 · May 27, 2021 · US
Process and apparatus for wetlaying nonwovens
US-11015292-B2 · May 25, 2021 · US
Dissolved air de-bonding of a tissue sheet
US-2021140117-A1 · May 13, 2021 · US
Process for creating a foam utilizing an antimicrobial starch within a process for manufacturing a paper or board product
US-11001969-B2 · May 11, 2021 · US
Methods for making paper or board, a board tray and pulp particles coated with foamable polymer for use in the same
US-10975522-B2 · Apr 13, 2021 · US
Method and apparatus for producing a fibre web
US-10954632-B2 · Mar 23, 2021 · US
Method to form a web comprising fibers
US-10927503-B2 · Feb 23, 2021 · US
Fibrous sheet with improved properties
US-2020370246-A1 · Nov 26, 2020 · US
Method of manufacturing of a foam-formed cellulosic fibre-material, a bulk sheet and a laminated packaging material comprising the cellulosic fibre-material
US-2020318292-A1 · Oct 8, 2020 · US
Methods for making paper or board, a board tray and pulp particles coated with foamable polymer for use in the same
US-2020308768-A1 · Oct 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21F11/002?
- CPC D21F11/002 is the Cooperative Patent Classification code for “by using a foamed suspension.”
- How many patents are filed under CPC D21F11/002 (by using a foamed suspension)?
- Our database includes 109 publications tagged with this CPC code.
- Is patent activity under CPC D21F11/002 growing?
- Publication counts under this code: 11 in 2024 vs 17 in 2025 (latest complete years).