Cellulose Fiber Manufacturing Method
US-2023399771-A1 · Dec 14, 2023 · US
from solutions of cellulose in acids, bases or salts
from solutions of cellulose in acids, bases or salts · 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 | D01F2/02 |
| Official title | from solutions of cellulose in acids, bases or salts |
| Display label | from solutions of cellulose in acids, bases or salts |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 8 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of producing a chemical pulp from a textile material which comprises cellulose and a molded body from the chemical pulp
US-11828005-B2 · Nov 28, 2023 · US
Recycling of acid-superbase conjugate ionic liquids by water removal in the lyocell spinning process
US-2023203717-A1 · Jun 29, 2023 · US
Cellulose fiber, fiber reinforced resin composition, method for producing cellulose fiber, and method for producing fiber reinforced resin composition
US-2023183887-A1 · Jun 15, 2023 · US
Method of producing a chemical pulp from a textile material which comprises cellulose and a molded body from the chemical pulp
US-2023096086-A1 · Mar 30, 2023 · US
Regenerated Cellulose Composite Fiber and Method of Preparation Thereof
US-2023096738-A1 · Mar 30, 2023 · US
Method and device for producing spunbonded fabric
US-2023085228-A1 · Mar 16, 2023 · US
Process for making cellulose fibre or film
US-11549200-B2 · Jan 10, 2023 · US
Method of reusing a textile material which comprises cellulose
US-11519104-B2 · Dec 6, 2022 · US
Reusing of lyocell-cellulose for lyocell-methods
US-11519100-B2 · Dec 6, 2022 · US
Method for dissolving lignocellulosic biomass
US-11492737-B1 · Nov 8, 2022 · US
Method to convert mechanical pulp derived waste material into value added cellulose products
US-11486094-B2 · Nov 1, 2022 · US
Melt extrusion of hemp-based thermoplastics
US-2022204774-A1 · Jun 30, 2022 · US
Process for liquid removal from cellulose filaments yarns or fibers
US-2022081803-A1 · Mar 17, 2022 · US
Cellulosic fiber processing
US-2021388533-A1 · Dec 16, 2021 · US
Separation and upcycling of cellulose-containing blended waste
US-11168196-B2 · Nov 9, 2021 · US
Polysaccharide fibers and method for the production thereof
US-11008672-B2 · May 18, 2021 · US
Polysaccharide fibers and method for producing same
US-11001941-B2 · May 11, 2021 · US
Process for the manufacture of a shaped body
US-10968540-B2 · Apr 6, 2021 · US
Reusing of lyocell-cellulose for lyocell-methods
US-2021062369-A1 · Mar 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D01F2/02?
- CPC D01F2/02 is the Cooperative Patent Classification code for “from solutions of cellulose in acids, bases or salts.”
- How many patents are filed under CPC D01F2/02 (from solutions of cellulose in acids, bases or salts)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC D01F2/02 growing?
- Publication counts under this code: 8 in 2024 vs 7 in 2025 (latest complete years).