Low-substituted cellulose ether spherical microparticle, and cosmetic composition using the same, as well as method of producing low-substituted cellulose spherical microparticle
US-2025345262-A1 · Nov 13, 2025 · US
Preparation of cellulose ethers {(rendering cellulose suitable for etherification C08B1/06)}
Preparation of cellulose ethers {(rendering cellulose suitable for etherification C08B1/06)} · 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 | C08B11/00 |
| Official title | Preparation of cellulose ethers {(rendering cellulose suitable for etherification C08B1/06)} |
| Display label | Preparation of cellulose ethers {(rendering cellulose suitable for etherification C08B1/06)} |
| Total patents | 43 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 3 |
| 2020 | 6 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 1 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Coated paper substrate suitable for metallization
US-12325960-B2 · Jun 10, 2025 · US
Crosslinked pulps, cellulose ether products made therefrom; and related methods of making pulps and cellulose ether products
US-12077912-B2 · Sep 3, 2024 · US
Porous water-soluble nonionic cellulose ether having excellent solubility and method for producing the same
US-11851544-B2 · Dec 26, 2023 · US
Cellulosic polymer nanoparticles and methods of forming them
US-11737981-B2 · Aug 29, 2023 · US
Coated paper substrate suitable for metallization
US-2023131438-A1 · Apr 27, 2023 · US
Crosslinked pulps, cellulose ether products made therefrom; and related methods of making pulps and cellulose ether products
US-2022298726-A1 · Sep 22, 2022 · US
Method for producing modified cellulose
US-2022213229-A1 · Jul 7, 2022 · US
Method for producing cellulose ether
US-11365266-B2 · Jun 21, 2022 · US
Crosslinked pulps, cellulose ether products made therefrom; and related methods of making pulps and cellulose ether products
US-11352748-B2 · Jun 7, 2022 · US
Method for producing low polymerization degree cellulose ether
US-10906992-B2 · Feb 2, 2021 · US
Pulverized Pulp and Method of Producing Cellulose Ether Using the Same
US-2020385491-A1 · Dec 10, 2020 · US
Porous water-soluble nonionic cellulose ether having excellent solubility and method for producing the same
US-2020362132-A1 · Nov 19, 2020 · US
Porous water-soluble nonionic cellulose ether having excellent solubility and method for producing the same
US-10767023-B2 · Sep 8, 2020 · US
Method for producing cellulose ether
US-10723808-B2 · Jul 28, 2020 · US
Cellulosic polymer nanoparticles and methods of forming them
US-2020206136-A1 · Jul 2, 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 producing polysaccharide derivative and lignin derivative
US-10323101-B2 · Jun 18, 2019 · US
Method for making modified cellulose products
US-10214855-B2 · Feb 26, 2019 · US
Method of modifying polymers
US-10208132-B2 · Feb 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08B11/00?
- CPC C08B11/00 is the Cooperative Patent Classification code for “Preparation of cellulose ethers {(rendering cellulose suitable for etherification C08B1/06)}.”
- How many patents are filed under CPC C08B11/00 (Preparation of cellulose ethers {(rendering cellulose suitable for etherification C08B1/06)})?
- Our database includes 43 publications tagged with this CPC code.
- Is patent activity under CPC C08B11/00 growing?
- Publication counts under this code: 1 in 2024 vs 2 in 2025 (latest complete years).