Membranes for flue gas separation comprising crosslinked, thermally rearranged poly(benzoxazole-co-imide) and preparation method thereof
US-10040034-B2 · Aug 7, 2018 · US
Polybenzoxazoles
Polybenzoxazoles · 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 | C08G73/22 |
| Official title | Polybenzoxazoles |
| Display label | Polybenzoxazoles |
| Total patents | 195 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 17 |
| 2017 | 17 |
| 2018 | 18 |
| 2019 | 16 |
| 2020 | 24 |
| 2021 | 15 |
| 2022 | 18 |
| 2023 | 20 |
| 2024 | 14 |
| 2025 | 14 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Resin, composition, cured film, method for manufacturing cured film and semiconductor device
US-2018215874-A1 · Aug 2, 2018 · US
Crosslinked, thermally rearranged poly(benzoxazole-co-imide), gas separation membranes comprising the same and preparation method thereof
US-10035109-B2 · Jul 31, 2018 · US
Polyimide-polybenzoxazole precursor solution, polyimide-polybenzoxazole film, and preparation method therefor
US-2018194900-A1 · Jul 12, 2018 · US
Resins and compositions for high temperature applications
US-2018127537-A1 · May 10, 2018 · US
Precursor composition, photosensitive resin composition, method for producing precursor composition, cured film, method for producing cured film, and semiconductor device
US-2018118887-A1 · May 3, 2018 · US
Photosensitive resin composition
US-2018039174-A1 · Feb 8, 2018 · US
Gas separation membrane, gas separation module, gas separation apparatus, and gas separation method
US-2018021740-A1 · Jan 25, 2018 · US
Diamine compound, and heat-resistant resin or heat-resistant resin precursor using same
US-2017334837-A1 · Nov 23, 2017 · US
Secondary battery having improved safety
US-9799859-B2 · Oct 24, 2017 · US
Organic el display device
US-2017293224-A1 · Oct 12, 2017 · US
Two-dimensional polymers comprised of a combination of stiff and compliant molecular units
US-2017240706-A1 · Aug 24, 2017 · US
Benzoxazine resins
US-9732225-B2 · Aug 15, 2017 · US
4-(5-amino-6-hydroxybenzoxazol-2-yl) ammonium benzoate and preparation method and use thereof
US-9725424-B2 · Aug 8, 2017 · US
Gas separation membrane, gas separation module, gas separation apparatus, and gas separation method
US-9700849-B2 · Jul 11, 2017 · US
O-hydroxy-functionalized diamines, polyimides, methods of making each, and methods of use
US-2017190842-A1 · Jul 6, 2017 · US
Method of curing thermosetting resin composition, thermosetting resin composition, and prepreg, metal-clad laminate, resin sheet, printed-wiring board, and sealing material in which thermosetting resin composition is used
US-2017190875-A1 · Jul 6, 2017 · US
Photosensitive resin composition, method for producing cured film, cured film, liquid crystal display device, organic electroluminescent display device, and touch panel
US-2017168391-A1 · Jun 15, 2017 · US
Method of curing thermosetting resin composition, thermosetting resin composition, and prepreg, metal-clad laminate, resin sheet, printed-wiring board, and sealing material in which thermosetting resin composition is used
US-9637598-B2 · May 2, 2017 · US
Energy-sensitive resin composition
US-2017115563-A1 · Apr 27, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G73/22?
- CPC C08G73/22 is the Cooperative Patent Classification code for “Polybenzoxazoles.”
- How many patents are filed under CPC C08G73/22 (Polybenzoxazoles)?
- Our database includes 195 publications tagged with this CPC code.
- Is patent activity under CPC C08G73/22 growing?
- Publication counts under this code: 14 in 2024 vs 14 in 2025 (latest complete years).