Porous materials based on aromatic amines
US-11078320-B2 · Aug 3, 2021 · US
containing two or more aromatic rings
containing two or more aromatic rings · 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 | C08G18/3243 |
| Official title | {containing two or more aromatic rings} |
| Display label | containing two or more aromatic rings |
| Total patents | 122 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 13 |
| 2017 | 11 |
| 2018 | 9 |
| 2019 | 9 |
| 2020 | 12 |
| 2021 | 14 |
| 2022 | 16 |
| 2023 | 11 |
| 2024 | 9 |
| 2025 | 9 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polishing pad with improved crosslinking density and process for preparing the same
US-2020368873-A1 · Nov 26, 2020 · US
Polyurethane cementing wiper plugs
US-2020347175-A1 · Nov 5, 2020 · US
A two-component polyurethane adhesive
US-2020239752-A1 · Jul 30, 2020 · US
High removal rate chemical mechanical polishing pads and methods of making
US-10722999-B2 · Jul 28, 2020 · US
Bisphenol alternative derived from renewable substituted phenolics and their industrial application
US-10723684-B2 · Jul 28, 2020 · US
Process for producing porous materials
US-10717841-B2 · Jul 21, 2020 · US
Resin composition
US-10703850-B2 · Jul 7, 2020 · US
Laminate and optical article comprising the same
US-10690943-B2 · Jun 23, 2020 · US
Colorless, transparent and heat resistant polyurethane films and methods for manufacturing the same
US-10676639-B2 · Jun 9, 2020 · US
Resin, resin composition, nonwoven fabric using same, fiber product, separator, secondary battery and electric double layer capacitor, and method for producing nonwoven fabric
US-2020131366-A1 · Apr 30, 2020 · US
Storage stable activated prepolymer composition
US-10577450-B2 · Mar 3, 2020 · US
Chemical mechanical polishing pad and polishing method
US-10569384-B1 · Feb 25, 2020 · US
Porous polyurethane polishing pad and process for preparing a semiconductor device by using the same
US-10518383-B2 · Dec 31, 2019 · US
Chemical mechanical polishing pad and polishing method
US-10464188-B1 · Nov 5, 2019 · US
Blocked isocyanate, photo-curable composition, resin, and method of manufacturing three-dimensional object
US-2019161573-A1 · May 30, 2019 · US
Laser ablative dielectric material
US-10304720-B2 · May 28, 2019 · US
Process for producing porous materials
US-10273341-B2 · Apr 30, 2019 · US
Process for producing porous materials
US-10240020-B2 · Mar 26, 2019 · US
Process for producing porous materials
US-2019023865-A1 · Jan 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G18/3243?
- CPC C08G18/3243 is the Cooperative Patent Classification code for “containing two or more aromatic rings.”
- How many patents are filed under CPC C08G18/3243 (containing two or more aromatic rings)?
- Our database includes 122 publications tagged with this CPC code.
- Is patent activity under CPC C08G18/3243 growing?
- Publication counts under this code: 9 in 2024 vs 9 in 2025 (latest complete years).