Process to produce a bio-product
US-2018362423-A1 · Dec 20, 2018 · US
Other processes for obtaining cellulose, e.g. cooking cotton linters (obtaining fibres for spinning D01C); {Processes characterised by the choice of cellulose-containing starting materials}
Other processes for obtaining cellulose, e.g. cooking cotton linters (obtaining fibres for spinning D01C); {Processes characterised by the choice of cellulose-containing starting materials} · 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 | D21C5/00 |
| Official title | Other processes for obtaining cellulose, e.g. cooking cotton linters (obtaining fibres for spinning D01C); {Processes characterised by the choice of cellulose-containing starting materials} |
| Display label | Other processes for obtaining cellulose, e.g. cooking cotton linters (obtaining fibres for spinning D01C); {Processes characterised by the choice of cellulose-containing starting materials} |
| Total patents | 192 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 24 |
| 2016 | 14 |
| 2017 | 18 |
| 2018 | 16 |
| 2019 | 16 |
| 2020 | 22 |
| 2021 | 23 |
| 2022 | 13 |
| 2023 | 9 |
| 2024 | 19 |
| 2025 | 16 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Processes and apparatus for producing nanocellulose, and compositions and products produced therefrom
US-10093748-B2 · Oct 9, 2018 · US
Glycosyl hydrolase enzymes and uses thereof for biomass hydrolysis
US-2018163242-A1 · Jun 14, 2018 · US
Hesperaloe tissue having improved cross-machine direction properties
US-2018142420-A1 · May 24, 2018 · US
Processes and systems for producing nanocellulose from old corrugated containers
US-2017370047-A1 · Dec 28, 2017 · US
Sealing structure for heart valve implants
US-2017354765-A1 · Dec 14, 2017 · US
Enzymatic process combined with hot caustic extraction for the removal of hemicelluloses from paper-grade pulp
US-2017350072-A1 · Dec 7, 2017 · US
Process for Individualizing Trichomes
US-2017335512-A1 · Nov 23, 2017 · US
Method for producing microfibrillated cellulose and microfibrillated cellulose
US-2017313788-A1 · Nov 2, 2017 · US
Method for producing a storable molded body made of bacterial cellulose and a molded body produced according to the method
US-2017312398-A1 · Nov 2, 2017 · US
Method of digesting lignocellulosic material
US-9803317-B2 · Oct 31, 2017 · US
Method of processing and fractionating biomass and use of fractions thus obtained
US-2017298152-A1 · Oct 19, 2017 · US
Use of celluloses in sludge dewatering, and sludge products thereof
US-9776900-B2 · Oct 3, 2017 · US
Production of Cellulose Nanocrystals From Raw Wood Via Hydrothermal Treatment
US-2017260692-A1 · Sep 14, 2017 · US
Processes and apparatus for producing nanocellulose, and compositions and products produced therefrom
US-2017210827-A1 · Jul 27, 2017 · US
Manufacturing feedstock from fruit by-product processing
US-2017152632-A1 · Jun 1, 2017 · US
Cellulose-solvent-based lignocellulose fractionation with modest reaction conditions and reagent cycling
US-9663835-B2 · May 30, 2017 · US
Method for preparation of cellulose nanocrystals and nanofibrils
US-2017101738-A1 · Apr 13, 2017 · US
Cellulosic and lignocellulosic structural materials and methods and systems for manufacturing such materials
US-2017095942-A1 · Apr 6, 2017 · US
Method for removing ink from paper
US-9587350-B2 · Mar 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC D21C5/00?
- CPC D21C5/00 is the Cooperative Patent Classification code for “Other processes for obtaining cellulose, e.g. cooking cotton linters (obtaining fibres for spinning D01C); {Processes characterised by the choice of cellulose-containing starting materials}.”
- How many patents are filed under CPC D21C5/00 (Other processes for obtaining cellulose, e.g. cooking cotton linters (obtaining fibres for spinning D01C); {Processes characterised by the choice of cellulose-containing starting materials})?
- Our database includes 192 publications tagged with this CPC code.
- Is patent activity under CPC D21C5/00 growing?
- Publication counts under this code: 19 in 2024 vs 16 in 2025 (latest complete years).