Multilayer assembly
US-2018370191-A1 · Dec 27, 2018 · US
Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member
Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member · 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 | C09D139/04 |
| Official title | Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member |
| Display label | Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member |
| Total patents | 157 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 19 |
| 2017 | 12 |
| 2018 | 18 |
| 2019 | 17 |
| 2020 | 16 |
| 2021 | 12 |
| 2022 | 13 |
| 2023 | 10 |
| 2024 | 16 |
| 2025 | 11 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method of fabricating substrate for culturing stem cell
US-2018371419-A1 · Dec 27, 2018 · US
Azetidinium-containing copolymers and uses thereof
US-2018346753-A1 · Dec 6, 2018 · US
Coating compositions for forming toner coatings
US-2018327628-A1 · Nov 15, 2018 · US
Azetidinium-containing copolymers and uses thereof
US-10100219-B2 · Oct 16, 2018 · US
Conductor, conductive composition and laminate
US-10096395-B2 · Oct 9, 2018 · US
Functionalized 4- and 5-vinyl substituted regioisomers of 1, 2, 3-triazoles via 1, 3-dipolar cycloaddition and polymers thereof
US-10093633-B2 · Oct 9, 2018 · US
Aqueous inkjet primering composition providing both pinning and ink spreading functionality
US-2018222234-A1 · Aug 9, 2018 · US
Water soluble photosensitive resin composition and film using same
US-2018188649-A1 · Jul 5, 2018 · US
Conductor, conductive composition and laminate
US-2018174698-A1 · Jun 21, 2018 · US
Substrate containing low-Dk-core glass fibers having low dielectric constant (Dk) cores for use in printed circuit boards (PCBs), and method of making same
US-9986637-B2 · May 29, 2018 · US
Photocurable composition and hard coating agent
US-9982080-B2 · May 29, 2018 · US
Surface-structured coatings
US-9976039-B1 · May 22, 2018 · US
Electrophotographic member, method of producing the same, process cartridge, and electrophotographic apparatus
US-9977359-B2 · May 22, 2018 · US
Inorganic composite coatings comprising novel functionalized acrylics
US-9963786-B2 · May 8, 2018 · US
Formulations and electronic devices
US-2018114912-A1 · Apr 26, 2018 · US
Formulations and electronic devices
US-9882135-B2 · Jan 30, 2018 · US
Coating compositions for forming toner receptive coatings
US-9821589-B2 · Nov 21, 2017 · US
Electrophotographic member, method of producing the same, process cartridge, and electrophotographic apparatus
US-2017227880-A1 · Aug 10, 2017 · US
Preparation of pigments
US-9725600-B2 · Aug 8, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C09D139/04?
- CPC C09D139/04 is the Cooperative Patent Classification code for “Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member.”
- How many patents are filed under CPC C09D139/04 (Homopolymers or copolymers of monomers containing heterocyclic rings having nitrogen as ring member)?
- Our database includes 157 publications tagged with this CPC code.
- Is patent activity under CPC C09D139/04 growing?
- Publication counts under this code: 16 in 2024 vs 11 in 2025 (latest complete years).