Pulverized Pulp and Method of Producing Cellulose Ether Using the Same
US-2020385491-A1 · Dec 10, 2020 · US
Alkali cellulose
Alkali cellulose · 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 | C08B1/08 |
| Official title | Alkali cellulose |
| Display label | Alkali cellulose |
| Total patents | 105 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 14 |
| 2017 | 12 |
| 2018 | 10 |
| 2019 | 9 |
| 2020 | 8 |
| 2021 | 12 |
| 2022 | 10 |
| 2023 | 5 |
| 2024 | 6 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing carboxymethylated cellulose nanofiber
US-2020369787-A1 · Nov 26, 2020 · US
Process for producing a water-soluble cellulose derivative having a reduced content of water-insoluble particles
US-10730956-B2 · Aug 4, 2020 · US
Method for producing cellulose ether
US-10723808-B2 · Jul 28, 2020 · US
Method for producing hydroxyalkyl alkyl cellulose
US-10723807-B2 · Jul 28, 2020 · US
Crosslinked Pulps, Cellulose Ether Products Made Therefrom; and Related Methods of Making Pulps and Cellulose Ether Products
US-2020040525-A1 · Feb 6, 2020 · US
Method for continuously producing cellulose ether
US-10508155-B2 · Dec 17, 2019 · US
Carrier for ligand immobilization
US-10457705-B2 · Oct 29, 2019 · US
Carrier for ligand immobilization
US-2019256555-A1 · Aug 22, 2019 · US
Recycling of man-made cellulosic fibers
US-10370778-B2 · Aug 6, 2019 · US
Process for producing porous cellulose beads using alkali aqueous solution
US-10221211-B2 · Mar 5, 2019 · US
Method for producing carboxymethyl cellulose or salt thereof, and binding agent for electrode
US-2019055323-A1 · Feb 21, 2019 · US
Water-soluble cellulose ether and method for producing the same
US-2019010252-A1 · Jan 10, 2019 · US
Biopolymer, process for producing a biopolymer, process for producing paper, process for producing cellulose, use of a biopolymer product
US-2019010661-A1 · Jan 10, 2019 · US
Method for producing purified low-substituted hydroxypropyl cellulose
US-10174128-B2 · Jan 8, 2019 · US
Modified polysaccharides
US-10143643-B2 · Dec 4, 2018 · US
Method for producing hydroxyalkyl alkyl cellulose
US-2018282436-A1 · Oct 4, 2018 · US
Method for producing cellulose ether
US-2018282435-A1 · Oct 4, 2018 · US
Method for producing hydroxypropyl methyl cellulose
US-2018273645-A1 · Sep 27, 2018 · US
Method of fabricating biocompatible cellulose nanofibrils
US-10066028-B1 · Sep 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08B1/08?
- CPC C08B1/08 is the Cooperative Patent Classification code for “Alkali cellulose.”
- How many patents are filed under CPC C08B1/08 (Alkali cellulose)?
- Our database includes 105 publications tagged with this CPC code.
- Is patent activity under CPC C08B1/08 growing?
- Publication counts under this code: 6 in 2024 vs 8 in 2025 (latest complete years).