Alignment film and liquid crystal display device
US-10160910-B2 · Dec 25, 2018 · US
Polybenzimidazoles
Polybenzimidazoles · 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 | C08G73/18 |
| Official title | Polybenzimidazoles |
| Display label | Polybenzimidazoles |
| Total patents | 136 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 21 |
| 2016 | 15 |
| 2017 | 18 |
| 2018 | 9 |
| 2019 | 13 |
| 2020 | 14 |
| 2021 | 9 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 10 |
| 2025 | 9 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyimide precursor composition, use thereof and polyimide made therefrom
US-2018282482-A1 · Oct 4, 2018 · US
Co-ABPBI membranes and process for the preparation thereof
US-10023705-B2 · Jul 17, 2018 · US
Hydroxide-stable ionenes
US-10005886-B2 · Jun 26, 2018 · US
Production of and drying of copolymer fibers
US-9903051-B2 · Feb 27, 2018 · US
Pure isophthalaldehyde bisulfite adduct and novel preparation method thereof
US-2018050984-A1 · Feb 22, 2018 · US
Self-healing capacitor and methods of production thereof
US-9852846-B2 · Dec 26, 2017 · US
Diamine compound, and heat-resistant resin or heat-resistant resin precursor using same
US-2017334837-A1 · Nov 23, 2017 · US
Bearing material
US-9796942-B2 · Oct 24, 2017 · US
Composite polymer solution of poly(M-phenylene isophthalamide) and copolymer made from 5(6)-amino-2-(P-aminophenyl)benzimidazole
US-9790366-B2 · Oct 17, 2017 · US
Porous ABPBI [phosphoric acid doped poly (2, 5-benzimidazole)] membrane and process of preparing the same
US-9757696-B2 · Sep 12, 2017 · US
Two-dimensional polymers comprised of a combination of stiff and compliant molecular units
US-2017240706-A1 · Aug 24, 2017 · US
Negative dielectric constant material based on ion conducting materials
US-9734932-B2 · Aug 15, 2017 · US
Amino sulfonic acid based polymers for copper electroplating
US-9725816-B2 · Aug 8, 2017 · US
Alignment film and liquid crystal display device
US-2017218272-A1 · Aug 3, 2017 · US
Porous abpbi [phosphoric acid doped poly (2, 5-benzimidazole)] membrane and process of preparing the same
US-2017209839-A9 · Jul 27, 2017 · US
Sheets and fibrids comprising a mixture of poly(m-phenylene isophthalamide) and copolymer made from 5(6)-amino-2-(p-aminophenyl)benzimidazole
US-9663875-B2 · May 30, 2017 · US
Polymer, organic layer composition, and method of forming patterns
US-2017110328-A1 · Apr 20, 2017 · US
Polybenzimidazoles and methods of making and using thereof
US-2017081477-A1 · Mar 23, 2017 · US
Amino sulfonic acid based polymers for copper electroplating
US-9598786-B2 · Mar 21, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G73/18?
- CPC C08G73/18 is the Cooperative Patent Classification code for “Polybenzimidazoles.”
- How many patents are filed under CPC C08G73/18 (Polybenzimidazoles)?
- Our database includes 136 publications tagged with this CPC code.
- Is patent activity under CPC C08G73/18 growing?
- Publication counts under this code: 10 in 2024 vs 9 in 2025 (latest complete years).