Resin composition and resin molded article
US-9469751-B2 · Oct 18, 2016 · US
Cellulose acetate
Cellulose acetate · 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 | C08L1/12 |
| Official title | Cellulose acetate |
| Display label | Cellulose acetate |
| Total patents | 466 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 49 |
| 2016 | 38 |
| 2017 | 35 |
| 2018 | 20 |
| 2019 | 51 |
| 2020 | 42 |
| 2021 | 39 |
| 2022 | 42 |
| 2023 | 45 |
| 2024 | 61 |
| 2025 | 42 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Resin composition and resin molded article
US-2016280801-A1 · Sep 29, 2016 · US
Resin composition and resin shaped product
US-2016237249-A1 · Aug 18, 2016 · US
Resin composition and resin shaped product
US-2016237250-A1 · Aug 18, 2016 · US
Stretched optical compensation film
US-9417360-B2 · Aug 16, 2016 · US
Resin composition, protective film for polarizing plate, polarizing plate, and display
US-2016200933-A1 · Jul 14, 2016 · US
Composition for polarizing plate, polarizing plate protective film, cellulose acylate film, polarizer, polarizing plate, and display
US-2016185993-A1 · Jun 30, 2016 · US
Resin composition, optical compensation film using the same and production method of optical compensation film
US-9370901-B2 · Jun 21, 2016 · US
Cellulose resin composition
US-9334392-B2 · May 10, 2016 · US
Resin composition and resin molded article
US-2016090472-A1 · Mar 31, 2016 · US
Chemically modified cellulose fibrous meshes for use as tissue engineering scaffolds
US-9259455-B2 · Feb 16, 2016 · US
Method for making an acetate tow band with shape and size used for coding
US-2015376818-A1 · Dec 31, 2015 · US
Fibers with shape and size used for coding
US-2015376819-A1 · Dec 31, 2015 · US
Method for characterizing fibers with shape and size used for coding
US-2015379703-A1 · Dec 31, 2015 · US
Acetate tow and filters with shape and size used for coding
US-2015375149-A1 · Dec 31, 2015 · US
Cellulose resin composition, molding material and molded article
US-2015368442-A1 · Dec 24, 2015 · US
Polyester modifier composition for cellulose ester resin, cellulose ester optical film, and polarizing plate protective film
US-2015368429-A1 · Dec 24, 2015 · US
Processes for making cellulose ester compositions
US-9200147-B2 · Dec 1, 2015 · US
Resin composition, triazole compound, optical film, polarizing plate, optical lens, circularly polarizing plate and image display device
US-2015338563-A1 · Nov 26, 2015 · US
Surface attachment of particles to cellulose ester fibers
US-2015335065-A1 · Nov 26, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08L1/12?
- CPC C08L1/12 is the Cooperative Patent Classification code for “Cellulose acetate.”
- How many patents are filed under CPC C08L1/12 (Cellulose acetate)?
- Our database includes 466 publications tagged with this CPC code.
- Is patent activity under CPC C08L1/12 growing?
- Publication counts under this code: 61 in 2024 vs 42 in 2025 (latest complete years).