Polyolefin Film and Method for Manufacturing Polyolefin Film
US-2024392083-A1 · Nov 28, 2024 · US
Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (mechanical aspects of shaping of plastics or substances in a plastic state for the production of porous or cellular articles B29C)
Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (mechanical aspects of shaping of plastics or substances in a plastic state for the production of porous or cellular articles B29C) · 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 | C08J9/00 |
| Official title | Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (mechanical aspects of shaping of plastics or substances in a plastic state for the production of porous or cellular articles B29C) |
| Display label | Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (mechanical aspects of shaping of plastics or substances in a plastic state for the production of porous or cellular articles B29C) |
| Total patents | 561 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 60 |
| 2016 | 75 |
| 2017 | 76 |
| 2018 | 64 |
| 2019 | 62 |
| 2020 | 65 |
| 2021 | 41 |
| 2022 | 38 |
| 2023 | 29 |
| 2024 | 26 |
| 2025 | 21 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Amines suitable for use in the manufacture of polyurethanes
US-2015368420-A1 · Dec 24, 2015 · US
Process for producing expanded polyolefin resin particles and expanded polyolefin resin particles
US-9216525-B2 · Dec 22, 2015 · US
Polyolefin resin molded product, method for preparing the same, and air duct using the same
US-2015361237-A1 · Dec 17, 2015 · US
Plasticizers for a biodegradable scaffolding and methods of forming same
US-2015359947-A1 · Dec 17, 2015 · US
Layers or three-dimensional shaped bodies having two regions of different primary and/or secondary structure, method for production thereof and materials for conducting this method
US-2015355378-A1 · Dec 10, 2015 · US
Layers or three-dimensional shaped bodies having two regions of different primary and/or secondary structure and method for production thereof
US-2015355379-A1 · Dec 10, 2015 · US
SELF-ASSEMBLED STRUCTURE AND MEMBRANE COMPRISING BLOCK COPOLYMER AND PROCESS FOR PRODUCING THE SAME BY SPIN COATING (Va)
US-2015344653-A1 · Dec 3, 2015 · US
MEMBRANE COMPRISING SELF-ASSEMBLED BLOCK COPOLYMER AND PROCESS FOR PRODUCING THE SAME BY SPIN COATING (IIa)
US-2015344655-A1 · Dec 3, 2015 · US
SELF-ASSEMBLED STRUCTURE AND MEMBRANE COMPRISING BLOCK COPOLYMER AND PROCESS FOR PRODUCING THE SAME BY SPIN COATING (IIIa)
US-2015344654-A1 · Dec 3, 2015 · US
Porous resin particles, method of manufacturing the same, and use of the same
US-9200154-B2 · Dec 1, 2015 · US
Porous film and secondary battery electrode
US-9202631-B2 · Dec 1, 2015 · US
Method for synthesizing hydrocarbon electrolytes polymer and polymerization solvent used therein
US-2015340735-A1 · Nov 26, 2015 · US
Method for producing low-halogen polybiphenylsulfone polymers
US-2015337085-A1 · Nov 26, 2015 · US
Expandable TFE copolymers, method of making, and porous, expanded articles thereof
US-9193811-B2 · Nov 24, 2015 · US
Peroxide masterbatch based on bioresin
US-2015329682-A1 · Nov 19, 2015 · US
Foams and articles made from foams containing hcfo or hfo blowing agents
US-2015322225-A1 · Nov 12, 2015 · US
Hybrid composite utilizing injection-expansion molding
US-2015321397-A1 · Nov 12, 2015 · US
Polyaryl Ether Polymers End-Capped with Phenolic Amino Acids
US-2015322210-A1 · Nov 12, 2015 · US
Microporous membrane winding and method for manufacturing the same
US-9184429-B2 · Nov 10, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J9/00?
- CPC C08J9/00 is the Cooperative Patent Classification code for “Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (mechanical aspects of shaping of plastics or substances in a plastic state for the production of porous or cellular articles B29C).”
- How many patents are filed under CPC C08J9/00 (Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (mechanical aspects of shaping of plastics or substances in a plastic state for the production of porous or cellular articles B29C))?
- Our database includes 561 publications tagged with this CPC code.
- Is patent activity under CPC C08J9/00 growing?
- Publication counts under this code: 26 in 2024 vs 21 in 2025 (latest complete years).