Degradable polymeric compositions and articles comprising same
US-2024425683-A1 · Dec 26, 2024 · US
Alkyl ethers
Alkyl 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 | C08J2301/28 |
| Official title | Alkyl ethers |
| Display label | Alkyl ethers |
| Total patents | 187 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 13 |
| 2017 | 17 |
| 2018 | 16 |
| 2019 | 18 |
| 2020 | 22 |
| 2021 | 14 |
| 2022 | 18 |
| 2023 | 16 |
| 2024 | 22 |
| 2025 | 15 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology
US-10428459-B2 · Oct 1, 2019 · US
Compositions and methods for delivery of active agents
US-2019169374-A1 · Jun 6, 2019 · US
Mineral wool binder
US-2019135688-A1 · May 9, 2019 · US
Crosslinked kraft pulp compositions and method
US-2018363245-A1 · Dec 20, 2018 · US
Methods for reducing oil and/or fat uptake of fried foods
US-10143225-B2 · Dec 4, 2018 · US
Resin composition and optical compensation film using same
US-10126478-B2 · Nov 13, 2018 · US
Cellulose ether compositions with improved workability for use in gypsum smoothing mortar and joint filler applications
US-2018319941-A1 · Nov 8, 2018 · US
Porous coatings
US-10047880-B2 · Aug 14, 2018 · US
Metal paste having excellent low-temperature sinterability and method for producing the metal paste
US-2018193913-A1 · Jul 12, 2018 · US
Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology
US-2018187372-A1 · Jul 5, 2018 · US
Cellulose ether powders
US-2018134811-A1 · May 17, 2018 · US
Process to produce an aqueous dispersion, an aqueous dispersion produced thereby and a coating composition comprising the aqueous dispersion
US-9969897-B2 · May 15, 2018 · US
Method of making light-blocking high opacity articles
US-9963569-B2 · May 8, 2018 · US
Resin composition, optical compensation film using same, and production method for same
US-9932488-B2 · Apr 3, 2018 · US
Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology
US-9926665-B2 · Mar 27, 2018 · US
Retardation film and utilization thereof
US-2018081082-A1 · Mar 22, 2018 · US
Method of making light-blocking high opacity articles
US-2018051155-A1 · Feb 22, 2018 · US
Process for preparing an aqueous solution of a methylcellulose
US-2018042284-A1 · Feb 15, 2018 · US
Subterranean fluids containing suspended polymer bodies
US-2018002596-A1 · Jan 4, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J2301/28?
- CPC C08J2301/28 is the Cooperative Patent Classification code for “Alkyl ethers.”
- How many patents are filed under CPC C08J2301/28 (Alkyl ethers)?
- Our database includes 187 publications tagged with this CPC code.
- Is patent activity under CPC C08J2301/28 growing?
- Publication counts under this code: 22 in 2024 vs 15 in 2025 (latest complete years).