Sulfur-loaded conductive polymer for high energy density lithium sulfide battery
US-2024186516-A1 · Jun 6, 2024 · US
Homopolymers or copolymers of acrylonitrile (C08L55/02 takes precedence)
Homopolymers or copolymers of acrylonitrile (C08L55/02 takes precedence) · 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 | C08L33/20 |
| Official title | Homopolymers or copolymers of acrylonitrile (C08L55/02 takes precedence) |
| Display label | Homopolymers or copolymers of acrylonitrile (C08L55/02 takes precedence) |
| Total patents | 430 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 44 |
| 2016 | 30 |
| 2017 | 47 |
| 2018 | 45 |
| 2019 | 61 |
| 2020 | 50 |
| 2021 | 34 |
| 2022 | 32 |
| 2023 | 31 |
| 2024 | 26 |
| 2025 | 30 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polymer latex with improved mechanical properties and process for preparing said polymer latex
US-9522999-B2 · Dec 20, 2016 · US
Porous carbon material, composite material reinforced with carbon material, porous carbon material precursor, porous carbon material precursor production method, and porous carbon material production method
US-2016362541-A1 · Dec 15, 2016 · US
Adhesive sheet and bonding method using the same
US-9512335-B2 · Dec 6, 2016 · US
Cellulose hydrogel compositions and contact lenses for corneal applications
US-9441080-B2 · Sep 13, 2016 · US
Transparent abs resin and transparent abs resin composition
US-2016215083-A1 · Jul 28, 2016 · US
Thermoplastic composition, method of producing the same, and articles made therefrom
US-9399710-B2 · Jul 26, 2016 · US
Styrene-based copolymer and thermoplastic resin composition including the same
US-9365671-B2 · Jun 14, 2016 · US
ASA graft copolymer having superior shock resistance, weather resistance, coloring properties, and method for manufacturing same
US-9340637-B2 · May 17, 2016 · US
Thermoplastic resin composition and molded article thereof
US-2016115311-A1 · Apr 28, 2016 · US
Rubber member for downhole tools, downhole tool, and method for recovering hydrocarbon resource
US-2016108165-A1 · Apr 21, 2016 · US
Polymer composition, swellable composition comprising the polymer composition, and articles including the swellable composition
US-9303200-B2 · Apr 5, 2016 · US
Neodymium-catalyzed polybutadienes
US-9279025-B2 · Mar 8, 2016 · US
Uncoated highly reflective impact-resistant injection-molded article and process for producing same
US-9273204-B2 · Mar 1, 2016 · US
Closed-cell foamed rubber-based resin object
US-2016053066-A1 · Feb 25, 2016 · US
Electrode binder composition for nonaqueous electrolyte battery, electrode for nonaqueous electrolyte battery, and nonaqueous electrolyte battery
US-9257703-B2 · Feb 9, 2016 · US
Aromatic Vinyl Based Tetrapolymer, Method for Preparing the Same and Thermoplastic Resin Composition Comprising the Same
US-2015376316-A1 · Dec 31, 2015 · US
Thermoplastic Resin Composition
US-2015376392-A1 · Dec 31, 2015 · US
Cellulose hydrogel compositions and contact lenses for corneal applications
US-2015368408-A1 · Dec 24, 2015 · US
Polyacrylonitrile-based polymer solution, preparing method of the same, carbon fiber precursor, manufacturing method of the same and manufacturing method of carbon fiber using the same
US-9212236-B2 · Dec 15, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08L33/20?
- CPC C08L33/20 is the Cooperative Patent Classification code for “Homopolymers or copolymers of acrylonitrile (C08L55/02 takes precedence).”
- How many patents are filed under CPC C08L33/20 (Homopolymers or copolymers of acrylonitrile (C08L55/02 takes precedence))?
- Our database includes 430 publications tagged with this CPC code.
- Is patent activity under CPC C08L33/20 growing?
- Publication counts under this code: 26 in 2024 vs 30 in 2025 (latest complete years).