Ether cellulose derivative microparticle
US-2018338927-A1 · Nov 29, 2018 · US
Cellulose ethers
Cellulose ethers · 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 | C08L1/26 |
| Official title | Cellulose ethers |
| Display label | Cellulose ethers |
| Total patents | 162 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 17 |
| 2017 | 14 |
| 2018 | 21 |
| 2019 | 13 |
| 2020 | 19 |
| 2021 | 15 |
| 2022 | 10 |
| 2023 | 11 |
| 2024 | 11 |
| 2025 | 11 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Composite particles including cellulose, inorganic compound, and hydroxypropyl cellulose
US-2018326063-A1 · Nov 15, 2018 · US
Cellulosic articles made from cellulosic materials and methods therefor
US-2018319135-A1 · Nov 8, 2018 · US
Cellulose ethers with temporary cross-links, a process to make them, and their use
US-2018319899-A1 · Nov 8, 2018 · US
Process for producing cellulose derivatives of high bulk density, good flowability and/or dispersibility in cold water as well as low solution color
US-10053519-B2 · Aug 21, 2018 · US
Hydroxypropyl methyl cellulose hard capsules and process of manufacture
US-10004692-B2 · Jun 26, 2018 · US
Oxazoline anti-condensation compositions, laminates, and processes for making the same
US-2018105661-A1 · Apr 19, 2018 · US
Biopolymer blends as emulsion stabilizers
US-2018066127-A1 · Mar 8, 2018 · US
Method for manufacturing a carbon fibre, precursor material used by the method and carbon fibre obtained
US-9909235-B2 · Mar 6, 2018 · US
Process for fractionating an esterified cellulose ether
US-2018030157-A1 · Feb 1, 2018 · US
Flame retardant modified cellulosic nanomaterials (FR-CNs) prepared using phosphorus-containing monomers
US-9856329-B2 · Jan 2, 2018 · US
Combating dentine hypersensitivity with a non-ionic polymer
US-9839597-B2 · Dec 12, 2017 · US
Method for producing water-soluble nonionic cellulose ether powder having high bulk density
US-2017283513-A1 · Oct 5, 2017 · US
Vinylidene fluoride polymers
US-2017253678-A1 · Sep 7, 2017 · US
Resin composition and optical compensation film using same
US-2017242174-A1 · Aug 24, 2017 · US
All-solid-state secondary battery, solid electrolyte composition and electrode sheet for batteries used in the same, and manufacturing method of electrode sheet for batteries and all-solid-state secondary battery
US-2017237115-A1 · Aug 17, 2017 · US
Hydroxypropyl methyl cellulose hard capsules and process of manufacture
US-9655860-B2 · May 23, 2017 · US
Carboxylmethyl cellulose foam for hemostasis and wound treatment, and method for preparing same
US-9642929-B2 · May 9, 2017 · US
Porous water-soluble nonionic cellulose ether having excellent solubility and method for producing the same
US-2017114203-A1 · Apr 27, 2017 · US
FLAME RETARDANT MODIFIED CELLULOSIC NANOMATERIALS (FR-CNs) PREPARED USING PHOSPHORUS-CONTAINING MONOMERS
US-2017114153-A1 · Apr 27, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08L1/26?
- CPC C08L1/26 is the Cooperative Patent Classification code for “Cellulose ethers.”
- How many patents are filed under CPC C08L1/26 (Cellulose ethers)?
- Our database includes 162 publications tagged with this CPC code.
- Is patent activity under CPC C08L1/26 growing?
- Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).