Polyolefin Film and Method for Manufacturing Polyolefin Film
US-2024392083-A1 · Nov 28, 2024 · US
by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out
by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out · 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 | C08J9/26 |
| Official title | by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out |
| Display label | by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out |
| Total patents | 565 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 45 |
| 2016 | 40 |
| 2017 | 42 |
| 2018 | 55 |
| 2019 | 51 |
| 2020 | 73 |
| 2021 | 55 |
| 2022 | 53 |
| 2023 | 59 |
| 2024 | 51 |
| 2025 | 35 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing porous membrane and drying device of porous membrane
US-9528760-B2 · Dec 27, 2016 · US
Lyophilized Foams of End Block Containing Absorbable Polymers
US-2016355661-A1 · Dec 8, 2016 · US
Process for preparing an electrode composition or composition with magnetic properties, mixture and composition obtained by means of said process and said electrode
US-2016340476-A1 · Nov 24, 2016 · US
Macroporous photonic crystal membrane, methods of making, and methods of use
US-2016326334-A1 · Nov 10, 2016 · US
Melt processable poly(vinyl alcohol) blends and poly(vinyl alcohol) based membranes
US-9486746-B2 · Nov 8, 2016 · US
Method for preparing a porous fluoropolymer and preparing an article of same
US-9452372-B2 · Sep 27, 2016 · US
Process for production of porous membrane
US-9393530-B2 · Jul 19, 2016 · US
Mesostructured polymer membranes and other articles
US-2016193385-A1 · Jul 7, 2016 · US
Porous/nanoporous pht
US-2016108175-A1 · Apr 21, 2016 · US
Substrate for liquid filter
US-2016082397-A1 · Mar 24, 2016 · US
Method for producing a porous SiO2-xerogel with a characteristic pore size by means of a bottom-up method using a precursor that has organic solid skeletal supports
US-9266743-B2 · Feb 23, 2016 · US
Porous film manufacturing method and apparatus
US-2016038883-A1 · Feb 11, 2016 · US
Resin composition, membrane-forming stock solution, porous membrane, and hollow fiber membrane, water treatment device, electrolyte support, and separator using porous membrane
US-2016038884-A1 · Feb 11, 2016 · US
Porous polymer composites
US-2016030625-A1 · Feb 4, 2016 · US
Polyetherimide porous body and method for producing same
US-2015344662-A1 · Dec 3, 2015 · US
Microporous polyolefin film and separator for storage cell
US-9203072-B2 · Dec 1, 2015 · US
Polyetherimide porous body and method for producing same
US-2015329675-A1 · Nov 19, 2015 · US
Porous polysaccharide scaffold comprising nano-hydroxyapatite and use for bone formation
US-2015328365-A1 · Nov 19, 2015 · US
Method for producing porous thermosetting resin sheet, porous thermosetting resin sheet and composite semipermeable membrane using same
US-9186633-B2 · Nov 17, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J9/26?
- CPC C08J9/26 is the Cooperative Patent Classification code for “by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out.”
- How many patents are filed under CPC C08J9/26 (by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out)?
- Our database includes 565 publications tagged with this CPC code.
- Is patent activity under CPC C08J9/26 growing?
- Publication counts under this code: 51 in 2024 vs 35 in 2025 (latest complete years).