Adhesives and Related Methods
US-2021253910-A1 · Aug 19, 2021 · US
having two nitrogen atoms in the ring
having two nitrogen atoms in the ring · 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 | C08K5/3442 |
| Official title | having two nitrogen atoms in the ring |
| Display label | having two nitrogen atoms in the ring |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 13 |
| 2018 | 12 |
| 2019 | 5 |
| 2020 | 11 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 9 |
| 2024 | 6 |
| 2025 | 4 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organic molecules for optoelectronic devices
US-2020407343-A1 · Dec 31, 2020 · US
Polishing liquid and chemical mechanical polishing method
US-2020362199-A1 · Nov 19, 2020 · US
Thermosetting resin composition
US-2020317913-A1 · Oct 8, 2020 · US
Extrudable poly(propylene) compositions
US-10745579-B2 · Aug 18, 2020 · US
Activated isobutylene-isoprene rubber and thermoset rubber therefrom
US-10676598-B2 · Jun 9, 2020 · US
Method for Producing Functionalized Polyesters
US-2020140609-A1 · May 7, 2020 · US
Adhesives and related methods
US-10597560-B2 · Mar 24, 2020 · US
Extrudable poly(propylene) compositions
US-2020071557-A1 · Mar 5, 2020 · US
Isocyanate composition, method for producing isocyanate composition, and method for producing isocyanate polymer
US-2020048403-A1 · Feb 13, 2020 · US
Adhesives and Related Methods
US-2020024490-A1 · Jan 23, 2020 · US
Adhesives and related methods
US-10533117-B2 · Jan 14, 2020 · US
Adhesives and related methods
US-10457838-B2 · Oct 29, 2019 · US
PVC Plasticizers and Methods for Making Thereof
US-2019218367-A1 · Jul 18, 2019 · US
Diazirine compounds and compositions derived therefrom
US-10303060-B2 · May 28, 2019 · US
Polarizing plate composition, polarizing plate protective film, polarizer, polarizing plate, and liquid crystal display device
US-10254456-B2 · Apr 9, 2019 · US
Modified Conjugated Diene-based Polymer And Method Of Preparing The Same
US-2019071524-A1 · Mar 7, 2019 · US
Adhesives and Related Methods
US-2018305584-A1 · Oct 25, 2018 · US
Adhesives and Related Methods
US-2018305585-A1 · Oct 25, 2018 · US
Adhesives and Related Methods
US-2018305583-A1 · Oct 25, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08K5/3442?
- CPC C08K5/3442 is the Cooperative Patent Classification code for “having two nitrogen atoms in the ring.”
- How many patents are filed under CPC C08K5/3442 (having two nitrogen atoms in the ring)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC C08K5/3442 growing?
- Publication counts under this code: 6 in 2024 vs 4 in 2025 (latest complete years).