Polyimide precursor solution, method for producing porous polyimide film, porous polyimide film, and insulated wire
US-11787942-B2 · Oct 17, 2023 · US
Elimination of a polymeric phase
Elimination of a polymeric phase · 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 | C08J2201/046 |
| Official title | Elimination of a polymeric phase |
| Display label | Elimination of a polymeric phase |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 9 |
| 2017 | 2 |
| 2018 | 8 |
| 2019 | 4 |
| 2020 | 10 |
| 2021 | 6 |
| 2022 | 14 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laminate and medical device
US-2023303789-A1 · Sep 28, 2023 · US
Polyimide precursor-containing aqueous composition, method for producing polyimide film, and method for producing porous polyimide film
US-11680156-B2 · Jun 20, 2023 · US
Polyimide precursor solution, method for producing porous polyimide film, porous polyimide film, and insulated wire
US-2023080755-A1 · Mar 16, 2023 · US
Porous polyimide film
US-2022332909-A1 · Oct 20, 2022 · US
Polyimide precursor film and method for producing polyimide film
US-2022306806-A1 · Sep 29, 2022 · US
Polyimide precursor solution, porous polyimide film production method, and porous polyimide film
US-2022306895-A1 · Sep 29, 2022 · US
Polyimide precursor solution, method for producing polyimide precursor solution, method for producing polyimide film, and method for producing porous polyimide film
US-2022298304-A1 · Sep 22, 2022 · US
Polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film
US-2022267527-A1 · Aug 25, 2022 · US
Transparent, colorless, porous polymers derived from multiphasic polymer networks
US-2022259399-A1 · Aug 18, 2022 · US
Method of forming a void, channel, and/or vascular network in a polymeric matrix
US-11396585-B2 · Jul 26, 2022 · US
Heat storage matertal
US-11326083-B2 · May 10, 2022 · US
Particle-dispersed polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film
US-2022119596-A1 · Apr 21, 2022 · US
Polyimide precursor solution and method for producing porous polyimide film
US-2022089829-A1 · Mar 24, 2022 · US
Polyimide precursor solution and method for producing porous polyimide film
US-2022073743-A1 · Mar 10, 2022 · US
Particle-dispersed polyimide precursor solution, method for producing porous polyimide film, and porous polyimide film
US-2022064379-A1 · Mar 3, 2022 · US
Porous membrane for water treatment use
US-11224844-B2 · Jan 18, 2022 · US
Porous layer constituent and production method therefor
US-2022002583-A1 · Jan 6, 2022 · US
Thermally and/or electrically conductive materials and method for the production thereof
US-11180625-B2 · Nov 23, 2021 · US
Method of preparing hierarchically porous polymers and hierarchically porous polymers prepared thereby
US-11180626-B2 · Nov 23, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J2201/046?
- CPC C08J2201/046 is the Cooperative Patent Classification code for “Elimination of a polymeric phase.”
- How many patents are filed under CPC C08J2201/046 (Elimination of a polymeric phase)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC C08J2201/046 growing?
- Publication counts under this code: 8 in 2024 vs 6 in 2025 (latest complete years).