Thermally activated biobased polymeric coating compositions on paper and paperboard substrates
US-2025075430-A1 · Mar 6, 2025 · US
Cellulose ether-esters
Cellulose ether-esters · 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 | C09D101/32 |
| Official title | Cellulose ether-esters |
| Display label | Cellulose ether-esters |
| Total patents | 33 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 11 |
| 2020 | 5 |
| 2021 | 3 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Moisture and oil barrier
US-2024301628-A1 · Sep 12, 2024 · US
Soft magnetic material powder and manufacturing method thereof, and magnetic core and manufacturing method thereof
US-11965117-B2 · Apr 23, 2024 · US
Coating composition, drug-containing particle, solid preparation and method for preparing drug-containing particle
US-11052051-B2 · Jul 6, 2021 · US
Esterified cellulose ethers comprising phthalyl groups
US-10947322-B2 · Mar 16, 2021 · US
Soft magnetic material powder and manufacturing method thereof, and magnetic core and manufacturing method thereof
US-2021054218-A1 · Feb 25, 2021 · US
Soft magnetic material powder manufacturing method
US-10825590-B2 · Nov 3, 2020 · US
Soft magnetic material powder and manufacturing method thereof, and magnetic core and manufacturing method thereof
US-2020258664-A1 · Aug 13, 2020 · US
Soft magnetic material powder and manufacturing method thereof, and magnetic core and manufacturing method thereof
US-10685768-B2 · Jun 16, 2020 · US
Esterified cellulose ethers comprising phthalyl groups
US-2020010572-A1 · Jan 9, 2020 · US
Esterified cellulose ethers of low acetone-insoluble content
US-10526421-B2 · Jan 7, 2020 · US
Coating composition and coated paper and coated paperboard
US-10519603-B2 · Dec 31, 2019 · US
Cellulose ether acetate phthalates
US-10513599-B2 · Dec 24, 2019 · US
Coating composition and coated paper and coated paperboard
US-10450704-B2 · Oct 22, 2019 · US
Process for producing dispersion of esterified cellulose ether
US-10450424-B2 · Oct 22, 2019 · US
Coating composition and coated paper and coated paperboard
US-2019284763-A1 · Sep 19, 2019 · US
Water-soluble esterified cellulose ethers
US-10377835-B2 · Aug 13, 2019 · US
Anti-Corrosion Coating for a Glass Substrate
US-2019233659-A1 · Aug 1, 2019 · US
Anti-Corrosion Coating for a Glass Substrate
US-2019233327-A1 · Aug 1, 2019 · US
Cellulose ether acetate phthalates
US-2019177514-A1 · Jun 13, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D101/32?
- CPC C09D101/32 is the Cooperative Patent Classification code for “Cellulose ether-esters.”
- How many patents are filed under CPC C09D101/32 (Cellulose ether-esters)?
- Our database includes 33 publications tagged with this CPC code.
- Is patent activity under CPC C09D101/32 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).