Thermoplastic resin composition and molded article including the same
US-2022298347-A1 · Sep 22, 2022 · US
Homopolymers or copolymers of nitriles
Homopolymers or copolymers of nitriles · 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 | C08L33/18 |
| Official title | Homopolymers or copolymers of nitriles |
| Display label | Homopolymers or copolymers of nitriles |
| Total patents | 83 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 7 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 7 |
| 2020 | 11 |
| 2021 | 9 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 9 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Toner and method for producing toner
US-2022107574-A1 · Apr 7, 2022 · US
Dispersant For Separator Of Non-Aqueous Electrolyte Battery Including Cyanoethyl Group-Containing Polymer, Separator Of Non-Aqueous Electrolyte Battery, And Non-Aqueous Electrolyte Battery
US-2021380778-A1 · Dec 9, 2021 · US
Binder composition for non-aqueous secondary battery electrode, slurry composition for non-aqueous secondary battery electrode and method of producing same, electrode for non-aqueous secondary battery, and non-aqueous secondary battery
US-2021218030-A1 · Jul 15, 2021 · US
Stabilizer composition
US-11001698-B2 · May 11, 2021 · US
Resin composition for brake pad friction materials and brake pad friction materials made of the resin composition
US-11002329-B2 · May 11, 2021 · US
Binder composition for non-aqueous secondary battery electrode, slurry composition for non-aqueous secondary battery electrode and method of producing same, electrode for non-aqueous secondary battery, and non-aqueous secondary battery
US-2021119215-A1 · Apr 22, 2021 · US
Thermoplastic resin composition
US-2021115242-A1 · Apr 22, 2021 · US
Binder composition for secondary battery electrode, slurry composition for secondary battery electrode, electrode for secondary battery, and secondary battery
US-10964947-B2 · Mar 30, 2021 · US
Nitrile rubber composition and rubber cross-linked product
US-10941283-B2 · Mar 9, 2021 · US
Thermoplastic Resin Composition and Molded Product Using the Same
US-2021032455-A1 · Feb 4, 2021 · US
Biocompatible three-dimensional network and use thereof as a cell support
US-2020377837-A1 · Dec 3, 2020 · US
Carboxylic acid-modified nitrile-based copolymer latex, method for preparing same, latex composition for dip molding containing same, and dip-molded article
US-10703884-B2 · Jul 7, 2020 · US
Adhesive composition
US-10647889-B2 · May 12, 2020 · US
Phthalonitrile compound
US-10640650-B2 · May 5, 2020 · US
Acrylonitrile-butadiene-styrene copolymer composition with high surface energy
US-2020095412-A1 · Mar 26, 2020 · US
Resin composition for brake pad friction materials and brake pad friction materials made of the resin composition
US-2020080610-A1 · Mar 12, 2020 · US
Thermoplastic transparent resin composition for wheel rust cover and method for preparing the same
US-10570283-B2 · Feb 25, 2020 · US
Stabilizer composition
US-2020048431-A1 · Feb 13, 2020 · US
Carbon fiber-reinforced polymer composite and method of preparing the same
US-10557019-B2 · Feb 11, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08L33/18?
- CPC C08L33/18 is the Cooperative Patent Classification code for “Homopolymers or copolymers of nitriles.”
- How many patents are filed under CPC C08L33/18 (Homopolymers or copolymers of nitriles)?
- Our database includes 83 publications tagged with this CPC code.
- Is patent activity under CPC C08L33/18 growing?
- Publication counts under this code: 9 in 2024 vs 3 in 2025 (latest complete years).