Coating agent and electronic component module manufacturing method
US-2026101430-A1 · Apr 9, 2026 · 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 | C09D133/18 |
| Official title | Homopolymers or copolymers of nitriles |
| Display label | Homopolymers or copolymers of nitriles |
| Total patents | 55 |
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 | 6 |
| 2016 | 3 |
| 2017 | 4 |
| 2018 | 5 |
| 2019 | 5 |
| 2020 | 6 |
| 2021 | 9 |
| 2022 | 5 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyurethane coating composition
US-2025263563-A1 · Aug 21, 2025 · US
Carboxyl group-containing nitrile rubber
US-12110348-B2 · Oct 8, 2024 · US
Toner and method for producing toner
US-12078960-B2 · Sep 3, 2024 · 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-12071530-B2 · Aug 27, 2024 · US
Latex composition for dip molding, manufacturing method therefor, and molded product molded therefrom
US-12018153-B2 · Jun 25, 2024 · US
Formaldehyde free safe to use binder formulation for woven, nonwoven and granular materials
US-2024199872-A1 · Jun 20, 2024 · US
Formaldehyde free safe to use binder formulation for woven, nonwoven and granular materials
US-11932757-B2 · Mar 19, 2024 · US
Laminate and method for producing same
US-2023416556-A1 · Dec 28, 2023 · US
Polyurethane coating composition
US-2023392028-A1 · Dec 7, 2023 · US
Carboxylic acid-modified nitrile-based copolymer latex composition, production method therefor, latex composition containing same for dip molding, and molded product molded therefrom
US-11739199-B2 · Aug 29, 2023 · US
Random copolymer, laminate, and method for forming pattern
US-11643488-B2 · May 9, 2023 · US
Toner and method for producing toner
US-2022107574-A1 · Apr 7, 2022 · US
Carboxyl group-containing nitrile rubber
US-2022106415-A1 · Apr 7, 2022 · US
CO2-philic thin film composite membranes
US-11285445-B2 · Mar 29, 2022 · US
Surface treatment liquid and surface treatment method
US-11279833-B2 · Mar 22, 2022 · US
Packaging Coated with an Emulsion Polymerized Latex Polymer
US-2022025192-A1 · Jan 27, 2022 · US
Random Copolymer, Laminate, and Method for Forming Pattern
US-2021389673-A1 · Dec 16, 2021 · US
Latex Composition for Dip Molding, Manufacturing Method Therefor, and Molded Product Molded Therefrom
US-2021388186-A1 · Dec 16, 2021 · 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
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D133/18?
- CPC C09D133/18 is the Cooperative Patent Classification code for “Homopolymers or copolymers of nitriles.”
- How many patents are filed under CPC C09D133/18 (Homopolymers or copolymers of nitriles)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC C09D133/18 growing?
- Publication counts under this code: 6 in 2024 vs 1 in 2025 (latest complete years).