Fine fibrous cellulose, dispersed solution, sheet, laminated sheet, laminate, and method for producing fine fibrous cellulose
US-12553185-B2 · Feb 17, 2026 · US
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Cellulose xanthate; Viscose {(formation of films C08J5/18; formation of fibres D01F; rendering cellulose suitable for esterification C08B1/02)}
Cellulose xanthate; Viscose {(formation of films C08J5/18; formation of fibres D01F; rendering cellulose suitable for esterification C08B1/02)} · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08B9/00 |
| Official title | Cellulose xanthate; Viscose {(formation of films C08J5/18; formation of fibres D01F; rendering cellulose suitable for esterification C08B1/02)} |
| Display label | Cellulose xanthate; Viscose {(formation of films C08J5/18; formation of fibres D01F; rendering cellulose suitable for esterification C08B1/02)} |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Use of ethoxylated fatty amido alcohols as a reactivity additive in the process wherein cellulose is reacted with lye
US-12060442-B2 · Aug 13, 2024 · US
Method of pulping cotton-based raw material
US-2024199765-A1 · Jun 20, 2024 · US
Method of pulping cotton-based raw material
US-11939405-B2 · Mar 26, 2024 · US
Fine fibrous cellulose, dispersed solution, sheet, laminated sheet, laminate, and method for producing fine fibrous cellulose
US-2023203755-A1 · Jun 29, 2023 · US
Method for producing a viscose solution and a viscose solution produced thereby and a method for producing viscose fiber
US-2022119554-A1 · Apr 21, 2022 · US
The use of ethoxylated fatty amido alcohols as a reactivity additive in the process wherein cellulose is reacted with lye
US-2021347917-A1 · Nov 11, 2021 · US
Method of pulping cotton-based raw material
US-2021130501-A1 · May 6, 2021 · US
Method of producing dissolving pulp
US-2021040688-A1 · Feb 11, 2021 · US
Recycling of man-made cellulosic fibers
US-10370778-B2 · Aug 6, 2019 · US
Process and a dissolving pulp manufactured by the process
US-10023995-B2 · Jul 17, 2018 · US
Recycling of man-made cellulosic fibers
US-2018002836-A1 · Jan 4, 2018 · US
Process and a dissolving pulp manufactured by the process
US-2015136346-A1 · May 21, 2015 · US