Article comprising tubular particles
US-10829608-B2 · Nov 10, 2020 · US
Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core · 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 | C08J9/34 |
| Official title | Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core |
| Display label | Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core |
| Total patents | 152 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 12 |
| 2017 | 5 |
| 2018 | 15 |
| 2019 | 13 |
| 2020 | 9 |
| 2021 | 24 |
| 2022 | 13 |
| 2023 | 20 |
| 2024 | 18 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Article comprising tubular particles
US-10662309-B2 · May 26, 2020 · US
Amine based polymer polyol stabilizers
US-10479862-B2 · Nov 19, 2019 · US
Foam-molded body and method for producing foam-molded body
US-2019309136-A1 · Oct 10, 2019 · US
Low-dielectric porous polymer film and film for millimeter-wave antenna
US-2019263995-A1 · Aug 29, 2019 · US
Crash pad for vehicle and manufacturing method thereof
US-10385182-B2 · Aug 20, 2019 · US
Foamable resin composition and molded foam
US-10377872-B2 · Aug 13, 2019 · US
Method for producing expanded granular material
US-2019202087-A1 · Jul 4, 2019 · US
Propylene resin foam particles and foam particle molded article
US-10336880-B2 · Jul 2, 2019 · US
Protection film and method for manufacturing the same
US-10328619-B2 · Jun 25, 2019 · US
Amine based polymer polyol stabilizers
US-2019177476-A1 · Jun 13, 2019 · US
Method for producing expanded granulate
US-10279516-B2 · May 7, 2019 · US
Crosslinked polyolefin resin foam, and molded article using same
US-2019119479-A1 · Apr 25, 2019 · US
Foamed injection moulded article
US-2019023866-A1 · Jan 24, 2019 · US
Composite resin pre-expanded particles containing carbon black and method for producing same, and expanded molded article
US-10184036-B2 · Jan 22, 2019 · US
A composite product and a process for producing said product
US-2018265665-A1 · Sep 20, 2018 · US
Buffer material, buffer material for coating robot, robot with buffer material, and coating robot with buffer material
US-2018257355-A1 · Sep 13, 2018 · US
Method for producing expanded granules
US-10005218-B2 · Jun 26, 2018 · US
Foaming agents and compositions containing fluorine substituted olefins, and methods of foaming
US-2018161076-A1 · Jun 14, 2018 · US
Polyethylene-based resin foamed particles, polyethylene-based resin in-mold-foam-molded body, and method for producing polyethylene-based resin foamed particles
US-2018163008-A1 · Jun 14, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J9/34?
- CPC C08J9/34 is the Cooperative Patent Classification code for “Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core.”
- How many patents are filed under CPC C08J9/34 (Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core)?
- Our database includes 152 publications tagged with this CPC code.
- Is patent activity under CPC C08J9/34 growing?
- Publication counts under this code: 18 in 2024 vs 8 in 2025 (latest complete years).